Maxim Silencers Silencer Catalog - iac- · PDF filemaking the world a quieter place Maxim Silencers Silencer Catalog MAKING THE WORLD A UIETER PLACE

making the world a quieter place

Maxim Silencers

Silencer Catalog

MAKINGTHE

WORLDA QUIETER

PLACE

TORONTO, CANADA

COPENHAGEN, DENMARK

NEW YORK, USALINCOLN, USA

HOUSTON, USA

NIEDERKRÜCHTEN, GERMANY

WINCHESTER, UK

DUBAI, UAE

LILLE, FRANCE

DONGGUAN, CHINA

SYDNEY, AUSTRALIA

IAC Acoustics has secured North America by joining together GT Exhaust, Maxim Silencers and Silex Innovations to become the global force in acoustic expertise and exhaust systems.

SILENCE IN NUMBERS

The modern outlook and vision positions IAC Acoustics to think bigger, innovate faster and deliver quicker. As diverse as the 13 locations spanning nearly every continent, IAC Acoustics manufactures for energy, aviation, transport, commercial construction, industrial engineering, healthcare, administration and media.

SHANGHAI, CHINA

BARCELONA, SPAIN

“

www.maximsilencers.com

US-P3-0167-201508-01 www.iac-acoustics.com

Series CHAMBER TYPE SILENCERS PageM22 Residential Chamber 6

M32 Critical Chamber 7

M42 Super Critical Chamber 8

M52 Hospital Chamber 9

M62 Hospital Plus Chamber 10

M72 Super Hospital Plus Chamber 11

M82 Extreme Chamber 12

SeriesCHAMBER SPARK

ARRESTING SILENCERS PageMSA11 Residential Chamber 13

MSA22 Critical Chamber 14

MSA33 Super Critical Chamber 15

MSA44 Hospital Chamber 16

MSA55 Hospital Plus Chamber 17

SeriesLOW PRESSURE

DROP / TURBO SILENCERS PageMT22 Residential Straight Through 18

MT32 Critical Straight Through 19

MT42 Super Critical Straight Through 20

MT52 Hospital Grade Straight Through 21

SeriesMARINE ENGINE/WET EXHAUST SILENCERS Page

MP11 Expected Attenuation: 15-18 dBA 22



SeriesLOW PROFILE

CHAMBER SILENCERS PageMD32 Critical Compact Pancake Chamber 25

MD42 Super Critical Compact Pancake Chamber 26

MD52 Hospital Compact Pancake Chamber 27

Series THIN LINE SILENCERS PageMR32 Critical Thin Line Silencer 28

MR42 Super Critical Thin Line Silencer 29

MR52 Hospital Thin Line Silencer 30

MR62 Hospital Plus Thin Line Silencer 31

Series BLOWER SILENCERS PageMB11 Straight Through Acoustically Packed 32

MB21 Chamber Type Silencer 33

MB31 Combination Acoustically Packed 34

SeriesVENT AND BLOWDOWN

SILENCERS PageVT-S Expected Attenuation: 35-40 dBA 35

VT-1 Expected Attenuation: 35-40 dBA 36



SeriesABSORPTIVE DESIGN INTAKE SILENCERS Page

FP-FPE Straight Through, Absorptive Design 39

FPC-FPCE Absorptive Design with Internal Center Panel 40

FPS-FPSE Full Flow Area Absorptive Design 41

MM32 Straight Through, Absorptive Design 42




Series INLINE SILENCERS PageILM-15 Expected Attenuation: 15 dBA 46

ILL-20 Expected Attenuation: 20 dBA 47

ILM-25 Expected Attenuation: 25 dBA 48

ILL-30 Expected Attenuation: 30 dBA 49

SeriesQUICK ACCESS

CATALYTIC SILENCERS PageOverview 50

QAC1 Catalytic Housing Only 51

QAC4 Super Critical Catalytic Silencer 52

QAC6 Hospital Plus Catalytic Silencer 53

MAC32 Critical Catalytic Silencer 54

MAC62 Hospital Plus Catalytic Silencer 55

MCC SERIES Catalytic Silencers 56

Catalytic Silencers - Elements 57

SeriesCATALYTIC DIESEL

PARTICULATE FILTER SILENCERS PageCMX32 Critical Grade 58

CMX42 Super Critical Grade 59

CMX62 Hospital Plus Grade 60

TABLE OF CONTENTS

http://www.maximsilencers.com

http://www.iac-acoustics.com

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RESIDENTIAL CHAMBER SILENCER20 to 25 dBA Noise Reduction

Size ØA B ØC N Min N Max O P Est Wt4 14 36 4 6 11 11 32 60

5 16 43 5 7 15 12 39 80

6 18 49 6 7 ½ 18 13 45 102

8 22 59 8 9 ½ 23 15 55 170

10 26 64 10 11 ½ 26 17 60 270

12 30 77 12 13 32 19 73 415

14 36 83 14 15 ½ 34 23 78 550

16 40 90 16 16 ½ 36 25 85 784

18 45 96 18 18 39 27 ½ 91 931

20 50 109 20 20 ½ 47 30 104 1357

22 54 119 22 22 ½ 50 32 114 1764

24 60 125 24 24 56 35 123 2105

26 64 140 26 25 ½ 61 37 135 2477

28 68 155 28 26 ½ 69 39 150 2856

30 72 166 30 28 75 41 161 3259

Note: Dimensions are in inches, weights are in pounds.

OVERVIEW

TYPICAL APPLICATION

FEATURES

OPTIONAL ACCESSORIES

Use a model M22 in residential and light industrial areas where background noise is relatively high and constant. The need for higher degrees of silencing should be minimal.

Example: In residential neighborhoods having high traffic or light industry with relatively constant background noise. Residents in these areas are typically accustomed to the noise or make some efforts to shield themselves from the ever present background noise. Use of an M22 can keep engine exhaust noise within existing levels.

• Internal combustion engine exhausts

• Advanced acoustical design• Heavy duty, all welded construction and long service life• Easily installed in any position• Hight heat silicone black finish • Two chambers • Drain connections

• Explosion relief cover• Flexible connectors• Companion flanges• Cleanout openings• Side inlet• Dual inlets• Side outlet• Horizontal or vertical support arrangements• Special paint• Stainless steel construction: 304, 316 & 321• Complete range of exhaust accessories

M22

Octave Band Center Frequency (Hz)31.5 63 125 250 500 1000 2000 4000 8000

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1 ½ 9 30 1 ½ 4 11 7 ½ 27 232 9 30 2 4 ½ 11 7 ½ 27 24

2 ½ 10 34 2 ½ 5 12 8 31 333 12 38 3 5 ½ 15 9 35 50

3 ½ 14 42 3 ½ 6 16 10 39 654 14 48 4 6 17 11 44 755 16 57 5 7 23 12 53 1006 18 63 6 8 25 13 59 1268 22 74 8 9 ½ 32 15 70 203

10 26 87 10 11 ½ 39 17 83 35212 30 102 12 13 45 19 98 51914 36 109 14 15 ½ 46 23 104 67416 40 119 16 16 ½ 51 25 114 97318 45 127 18 18 56 27 ½ 122 116520 50 137 20 20 ½ 61 30 132 165622 54 149 22 22 ½ 67 32 144 210724 60 162 24 24 74 35 157 256626 64 183 26 25 ½ 85 37 178 303128 68 200 28 26 ½ 93 39 195 3468


OVERVIEW

TYPICAL APPLICATION

FEATURES


CRITICAL CHAMBER SILENCER25 to 32 dBA Noise Reduction

Use a model M32 in residential areas where background noise is present, but not objectionable. In these areas, installation of an M32 on an engine exhaust is intended to bring the noise level down to match the ambient noise levels.

Example: In a quieter residential area off main traffic areas and away from constant noise sources.


• Advanced acoustical design• Heavy duty, all welded construction and long service life• Easily installed in any position• High heat silicone black finish• Sizes 1" to 3 ½" have MNPT connections• Two chambers• Drain connections

• Explosion relief cover• Flexible connectors• Companion flanges• Cleanout openings• Side inlet• Dual inlets• Side oulet• Horizontal or vertical support arrangements• Special paint• Stainless steel construction: 304, 316 & 321• Complete range of exhaust accessories

M32


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Size ØA B ØC N Min N Max O P Est Wt4 16 51 4 6 ½ 18 12 47 90

5 18 62 5 7 24 13 58 120

6 22 69 6 8 ½ 26 15 65 175

8 26 82 8 10 32 17 78 304

10 30 102 10 12 45 19 98 484

12 36 112 12 15 51 22 108 659

14 40 120 14 15 ½ 52 25 115 930

16 45 126 16 17 55 27 ½ 121 1140

18 50 135 18 19 ½ 60 30 130 1623

20 54 149 20 21 ½ 67 32 144 2055

22 60 157 22 23 72 35 152 2464

24 64 164 24 24 ½ 75 37 159 2803

26 68 184 26 25 ½ 85 39 179 3282

28 72 205 28 27 97 41 200 3788

30 78 220 30 28 ½ 104 44 215 5293


OVERVIEW

TYPICAL APPLICATION

FEATURES


SUPER CRITICAL CHAMBER SILENCER30 to 38 dBA Noise Reduction

Use a model M42 for quiet residential areas where background noise is relatively low, and super critical grade silencing is required.

Example: For truly quiet residential areas where ambient noise levels are very low and the sound of birds singing and the soft hum of air conditioning units may be the noticeable noise features.


• Advanced acoustical design• Heavy duty, all welded construction and long service life• Easily installed in any position• High heat silicone black finish• Two chambers• Drain connections


M42


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5 22 74 5 9 32 15 70 271

6 26 85 6 11 38 17 81 342

8 30 103 8 12 26 19 99 548

10 36 118 10 14 32 22 114 783

12 36 130 12 14 36 22 126 870

14 40 145 14 17 37 25 140 1242

16 45 156 16 19 39 27 ½ 151 1543

18 50 171 18 21 44 30 166 2252

20 54 185 20 22 48 32 180 2818

22 60 199 22 24 51 35 194 3429

24 64 212 24 26 54 37 207 3916

26 68 235 26 27 60 39 230 4576

28 72 268 28 29 71 41 263 5390

30 78 278 30 32 73 44 273 7246


OVERVIEW

TYPICAL APPLICATION

FEATURES


HOSPITAL CHAMBER SILENCER35 to 42 dBA Noise Reduction

Use a model M52 for reactive hospital grade noise reduction in heavy industrial areas where machinery operates continously around a quiet locality. Suitable locations include hospitals, schools and quiet residential districts.


• Advanced acoustical design• Heavy duty, all welded construction and long service life• Easily installed in any position• High heat silicone black finish• Sizes 4" through 6" are two chambered• Sizes 8" and larger have three chambers• Drain connections


M52


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Size ØA B ØC N Min N Max O P Est Wt1 ½ 9 36 1 ½ 3 ½ 14 7 ½ 33 60

2 10 40 2 4 ½ 16 8 37 682 ½ 12 46 2 ½ 5 ½ 20 9 43 98

3 14 50 3 6 21 10 47 1263 ½ 16 54 3 ½ 7 23 11 51 154

4 18 62 4 7 26 13 58 1915 22 74 5 9 32 15 70 2716 26 85 6 11 38 17 81 3768 30 103 8 12 26 19 99 548

10 36 118 10 14 32 22 114 84412 36 130 12 14 36 22 126 87014 40 145 14 17 37 25 140 135916 45 156 16 19 39 27 ½ 151 154318 50 171 18 21 44 30 166 241720 54 185 20 212 48 32 180 281822 60 199 22 24 51 35 194 359024 64 212 24 26 54 37 207 391626 68 235 26 27 60 39 230 477028 72 268 28 29 71 41 263 539030 78 278 30 32 73 44 273 7679


OVERVIEW

TYPICAL APPLICATION

FEATURES


HOSPITAL PLUS CHAMBER SILENCER35 to 50 dBA Noise Reduction

Use a model M62 for the highest degree of silencing in areas requiring hospital plus grade noise reductions. The M62 is a reactive and absorptive silencer without resorting to multiple silencers in series or custom designed silencers.

Example: Suitable for use where background noise is extremely low, such as residential or hospital locations away from busy streets.


• Advanced acoustical design• Heavy duty, all welded construction and long service life• Easily installed in any position• High heat silicone black finish• Sizes 1" to 3 ½" have MNPT connections• Sizes 1" through 6" are two chambered• Sizes 8" and larger have three chambers• Drain connections


M62


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Size ØA B ØC N Min N Max O P Est Wt1 ½ 12 60 1 ½ 5 9 57 188

2 12 64 2 6 9 61 2042 ½ 14 70 2 ½ 7 10 67 264

3 16 74 3 7 11 71 3293 ½ 18 78 3 ½ 8 12 75 389

4 22 84 4 8 15 80 4985 26 97 5 10 17 93 6986 30 110 6 12 19 106 9448 36 134 8 13 22 130 1511

10 40 150 10 15 24 146 191012 40 158 12 15 24 154 208414 45 174 14 18 27.5 169 254916 50 194 16 21 30 189 323718 54 208 18 23 32 203 394420 60 226 20 25 35 221 544322 64 228 22 26 37 223 600624 68 233 24 27 39 228 663826 72 234 26 29 41 229 719628 78 244 28 30 44 239 951330 84 254 30 32 47 249 10807


OVERVIEW

TYPICAL APPLICATION

FEATURES


SUPER HOSPITAL CHAMBER SILENCER40 to 55 dBA Noise Reduction

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Use a model M72 in areas requiring super hospital plus grade noise reductions. The M72 is a reactive and absorptive silencer designed to achieve maximum attenuation as well as minimize radiated noise from breakout, without resorting to multiple silencers in series or custom designed silencers.





M72


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TYPICAL APPLICATION

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EXTREME CHAMBER SILENCER45 to 60 dBA Noise Reduction

Size ØA B ØC N Min N Max O P Est Wt1 ½ 18 70 1 ½ 6 12 67 384

2 20 74 2 6 13 71 4602 ½ 20 80 2 ½ 7 13 77 504

3 22 84 3 8 14 81 5833 ½ 24 88 3 ½ 9 15 85 695

4 26 94 4 10 17 90 7885 26 108 5 11 17 104 9136 30 118 6 13 19 114 11728 36 134 8 14 22 130 1715

10 40 150 10 16 24 146 216412 40 158 12 16 24 154 235614 45 174 14 19 27.5 169 301716 50 194 16 22 30 189 380518 54 208 18 24 32 203 450220 60 226 20 26 35 221 618522 64 228 22 27 37 223 708624 68 233 24 28 39 228 781026 72 234 26 30 41 229 841928 78 244 28 31 44 239 1104530 84 254 30 33 47 249 12545


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Use a model M82 for the highest degree of silencing in areas requiring extreme grade noise reductions. The M82 is presently the top-of-the-line reactive and absorptive silencer designed to achieve maximum attenuation as well as minimize radiated noise from breakout, without resorting to multiple silencers in series or custom designed silencers.





M82


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Size ØA B ØC N O P Est Wt1 ½ 9 20 1 ½ 3 ½ 7 ½ 17 20

2 9 20 2 4 7 ½ 17 212 ½ 10 24 2 ½ 4 ½ 8 21 28

3 12 26 3 5 9 23 413 ½ 14 30 3 ½ 5 ½ 10 27 55

4 14 36 4 6 11 32 645 16 43 5 7 12 39 886 18 49 6 7 ½ 13 45 1108 22 59 8 9 ½ 15 55 178

10 26 64 10 11 ½ 17 60 28012 30 77 12 13 19 73 41614 36 83 14 15 ½ 23 78 55816 40 90 16 16 ½ 25 85 79318 45 96 18 18 27 ½ 91 95020 50 109 20 20 ½ 30 104 139222 54 119 22 22 ½ 32 114 180624 60 125 24 24 35 123 218726 64 140 26 25 ½ 37 135 258628 68 155 28 26 ½ 39 150 298430 72 166 30 28 41 161 3445


OVERVIEW

TYPICAL APPLICATIONS

FEATURES


RESIDENTIAL SPARK ARRESTING CHAMBER SILENCER20 to 25 dBA Noise Reduction

The MSA11 Maxim line spark arresting silencer is a highly efficient spark arrestor with a medium-high silencing performance. This silencer removes hot carbon particles from the exhaust and is designed for application to the exhaust system of internal combustion engines where a fire hazard or dirt nuisance would exist from particles of carbon or ash in the exhaust stream.

The steel sheet and plate all welded construction assures long life and dependable service. Installation can be horizontal or vertical without affecting performance.

• Internal combustion engine exhausts• Marine service• Refineries / hazardous environments• Offshore drilling / production platforms

• Advanced acoustical design• Heavy duty, all welded construction and long service life• Easily installed in any position• High heat silicone black finish• Sizes 1 ½" to 3 ½" have MNPT connections• Two chambers• Spark arresting efficiency certification• Drain connections

• Explosion relief cover• Flexible connectors• Companion flanges• Cleanout openings• Side inlet• Horizontal or vertical support arrangements• Special paint• Stainless steel construction: 304, 316 & 321• Complete range of exhaust accessories• Spark arresting efficiency certification

MSA11


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Size ØA B ØC N O P Est Wt1 ½ 9 30 1 ½ 4 7 ½ 27 27

2 9 30 2 4 ½ 7 ½ 27 282 ½ 10 34 2 ½ 5 8 31 37

3 12 38 3 5 ½ 9 35 543 ½ 14 42 3 ½ 6 10 39 70

4 14 48 4 6 11 44 775 16 57 5 7 12 53 1086 18 63 6 8 13 59 1328 22 74 8 9 ½ 15 70 205

10 26 87 10 11 ½ 17 83 35612 30 102 12 13 19 98 51814 36 109 14 15 ½ 23 104 68716 40 119 16 16 ½ 25 114 97618 45 127 18 18 27 ½ 122 116920 50 137 20 20 ½ 30 132 167622 54 149 22 22 ½ 32 144 212724 60 162 24 24 35 157 262726 64 183 26 25 ½ 37 178 310628 68 200 28 26 ½ 39 195 356130 72 216 30 28 41 211 4140


OVERVIEW


FEATURES


CRITICAL CHAMBER SPARK ARRESTING SILENCER25 to 32 dBA Noise Reduction

The MSA22 Maxim line is a highly effecient spark arresting silencer with a high acoustical performance. This silencer removes hot carbon particles from the exhaust and is designed for application to the exhaust system of internal combustion engines where a fire hazard or dirt nuisance would exist from particles of carbon or ash in the exhaust stream.

The steel sheet and plate all welded construction assures long life and dependable service. Installation can be horizontal or vertical without affecting performance.


• Advanced acoustical design• Heavy duty, all welded construction and long service life• Easily installed in any position• High heat silicone black finish• Sizes 1 ½" to 3 ½" have MNPT connections• Two chambers• Spark arresting efficiency certification• Drain connections

• Explosion relief cover• Flexible connectors• Companion flanges• Cleanout openings• Side inlet(s)• Horizontal or vertical support arrangements• Special paint• Stainless steel construction: 304, 316 & 321• Spark arresting efficiency certification

MSA22


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Size ØA B ØC N O P Est Wt4 16 51 4 6 ½ 12 47 94

5 18 62 5 7 13 58 130

6 22 69 6 8 ½ 15 65 186

8 26 82 8 10 17 78 318

10 30 102 10 12 19 98 494

12 36 112 12 15 22 108 690

14 440 120 14 15 ½ 25 115 968

16 45 126 16 17 27 ½ 121 1155

18 50 135 18 19 ½ 30 130 1636

20 54 149 20 21 ½ 32 144 2086

22 60 157 22 23 35 152 2492

24 64 164 24 24 ½ 37 159 2831

26 68 184 26 25 ½ 39 179 3316

28 72 205 28 27 41 200 3821

30 78 220 30 28 ½ 44 215 5324


OVERVIEW


FEATURES


SUPER CRITICAL CHAMBER SPARK ARRESTING SILENCER30 to 38 dBA Noise Reduction

Use a model MSA33 for quiet residential areas where background noise is relatively low and super critical grade silencing with a spark arresting feature is required.

Example: For truly quiet residential areas where ambient noise levels are very low and the sound of birds singing and the soft hum of air conditioning units may be the noticeable noise features.


• Advanced acoustical design• Heavy duty, all welded construction and long service life• Easily installed in any position• High heat silicone black finish• Two chambers• Spark arresting efficiency certification• Drain connections


MSA33


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Size ØA B ØC N O P Est Wt4 18 62 4 7 13 58 119

5 22 74 5 9 15 70 189

6 26 85 6 11 17 81 305

8 30 103 8 12 19 99 517

10 36 118 10 14 22 114 730

12 36 130 12 14 22 126 820

14 40 145 14 17 25 140 1188

16 45 156 16 19 27 ½ 151 1461

18 50 171 18 21 30 166 2111

20 54 185 20 22 32 180 2664

22 60 199 22 24 35 194 3237

24 64 212 24 26 37 207 3693

26 66 235 26 27 39 230 4313

28 72 268 28 29 41 263 5053

30 78 278 30 32 44 273 6866


OVERVIEW


FEATURES


HOSPITAL CHAMBER SPARK ARRESTING SILENCER35 to 42 dBA Noise Reduction

Use a model MSA44 for areas requiring hospital grade noise reductions and a spark arresting feature. The MSA44 is presently the top-of-the-line reactive silencer without the addition of accoustical insulation.



• Advanced acoustical design• Heavy duty, all welded construction and long service life• Easily installed in any position• High heat silicone black finish• Sizes 4" through 6" are two chambered• Sizes 8" and larger have three chambers • Spark arresting efficiency certification• Drain connections• For smaller sizes not shown in catalog, please contact IAC Acoustics.


MSA44


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Size ØA B ØC N O P Est Wt4 18 62 4 7 13 58 200

5 22 74 5 9 15 70 314

6 26 85 6 11 17 81 382

8 30 103 8 12 19 99 590

10 36 118 10 14 22 114 829

12 36 130 12 14 22 126 953

14 40 145 14 17 25 140 1345

16 45 156 16 19 27 ½ 151 1628

18 50 171 18 21 30 166 2371

20 54 185 20 22 32 180 2969

22 60 199 22 24 35 194 3562

24 64 212 24 26 37 207 4048

26 68 235 26 27 39 230 4737

28 72 268 28 29 41 263 5692

30 78 278 30 32 44 273 7573


OVERVIEW


FEATURES


HOSPITAL PLUS CHAMBER SPARK ARRESTING SILENCER35 to 50 dBA Noise Reduction

Use a model MSA55 for the highest degree of silencing in areas requiring both hospital plus grade noise reductions and a spark arresting feature. The MSA55 is presently the top-of-the-line reactive and absorptive spark arresting silencer without resorting to multiple silencers in series or custom designed silencers.



• Advanced acoustical design• Heavy duty, all welded construction and long service life• Easily installed in any position• High heat silicone black finish• Sizes 4" through 6" are two chambered• Sizes 8" and larger have three chambers• Spark arresting efficiency certification• Drain connections• For smaller sizes not shown in catalog, please contact IAC Acoustics


MSA55


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Size ØA B ØC Est Wt4 14 36 4 64

5 16 43 5 87

6 18 49 6 109

8 22 59 8 181

10 26 64 10 290

12 30 77 12 440

14 36 83 14 593

16 40 90 16 813

18 45 96 18 963

20 50 109 20 1438

22 54 119 22 1845

24 60 125 24 2194

26 64 140 26 2573

28 68 155 28 2966

30 72 166 30 3381


OVERVIEW


FEATURES


RESIDENTIAL STRAIGHT THROUGH SILENCER20 to 25 dBA Noise Reduction

Use an MT22 for silencing in areas where background noise is relatively high and moderate silencing is needed and requirements call for a low pressure drop silencer.

• Internal combustion engine intakes and exhausts• Turbo charged reciprocating engines with low allowable back pressure

• Advanced acoustical design• All welded construction and long service life• Easily installed in any position• High heat silicone black finish• Two chambers• Drain connections

• Explosion relief cover• Flexible connectors• Companion flanges• Cleanout openings• Side inlet• Horizontal or vertical support arrangements• Special paint• Stainless steel construction: 304, 316 & 321• Complete range of exhaust accessories

MT22


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5 16 57 5 109

6 18 63 6 136

8 22 74 8 217

10 26 87 10 377

12 30 102 12 552

14 36 109 14 731

16 40 119 16 1013

18 45 127 18 1204

20 50 137 20 1754

22 54 149 22 2199

24 60 162 24 2660

26 64 183 26 3135

28 68 200 28 3589

30 72 216 30 4124


OVERVIEW


FEATURES


CRITICAL STRAIGHT THROUGH SILENCER25 to 32 dBA Noise Reduction

Use an MT32 for silencing in areas where background noise is relatively high and moderate silencing is needed and requirements call for a low pressure drop silencer.



• Explosion relief cover• Flexible connectors• Companion flanges• Cleanout openings• Horizontal or vertical support arrangements• Special paint• Stainless steel construction: 304, 316 & 321• Complete range of exhaust accessories

MT32


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5 18 62 5 129

6 22 69 6 185

8 26 82 8 318

10 30 102 10 509

12 36 112 12 691

14 40 120 14 989

16 45 126 16 1182

18 50 135 18 1663

20 54 149 20 2156

22 60 157 22 2563

24 64 164 24 2911

26 68 184 26 3399

28 72 205 28 3921

30 78 220 30 5437


OVERVIEW


FEATURES


SUPER CRITICAL STRAIGHT THROUGH SILENCER30 to 38 dBA Noise Reduction

Use an MT42 for better than average silencing in areas where ambient noise is relatively low and back pressure requirements call for a low pressure drop silencer.




MT42


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5 22 74 5 188

6 26 85 6 308

8 30 103 8 525

10 36 118 10 755

12 36 130 12 835

14 40 145 14 1235

16 45 156 16 1500

18 50 171 18 2151

20 54 185 20 2777

22 60 199 22 3351

24 64 212 24 3811

26 68 235 26 4451

28 72 268 28 5221

30 78 278 30 7051


OVERVIEW


FEATURES


HOSPITAL GRADE STRAIGHT THROUGH SILENCER35 to 42 dBA Noise Reduction

Use an MT52 for hospital grade noise reduction in areas where ambient noise is relatively low and back pressure requirements call for a low pressure drop silencer.


• Advanced acoustical design• All welded construction and long service life• Easily installed in any position• High heat silicone black finish• Sizes 4" through 6" are two chambered • Sizes 8" and larger have three chambers• Drain connections• For smaller sizes not shown in catalog, please contact IAC Acoustics.


MT52


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MARINE ENGINE/WET EXHAUST SILENCERS15 to 18 dBA Noise Reduction

Size ØA B C D ØE Est Wt4 10 ¾ 24 18 3 4 43

4 ½ 10 ¾ 24 18 3 4 ½ 43

5 12 ¾ 30 24 3 5 63

6 12 ¾ 30 24 3 6 65

8 14 ½ 48 36 6 8 123

10 16 ¾ 60 48 6 10 191

12 18 ¾ 72 60 6 12 225


OVERVIEW

TYPICAL APPLICATION

FEATURES


Constructed of 316L stainless steel, the MP11 offers good noise attenuation with low pressure drop in marine exhaust systems where water is injected upstream of the silencer. Mixed exhaust flow temerature not to exceed 200 ºF at silencer inlet.

• Internal combustion engines using wet type exhaust

• Advanced acoustical design• Reduces noxious fumes and odors• Thick wall construction for high transmission loss• All welded construction and long service life• Easy installation in any position

• Monel construction• Flanged connections• Standard pipe size O.D. stubs• Horizontal or vertical support arrangements

MP11

Octave Band Center Frequency (Hz) 31.5 63 125 250 500 1000 2000 4000 8000

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OVERVIEW

TYPICAL APPLICATION

FEATURES




4 ½ 10 ¾ 36 30 3 4 ½ 61

5 10 ¾ 36 30 3 5 61

6 12 ¾ 42 36 3 6 94

8 16 ¾ 60 48 6 8 143

10 20 ¼ 70 58 6 10 230

12 24 ¼ 82 70 6 12 327


Constructed of 316L stainless steel, the MP31 offers very good noise attenuation with medium pressure drop in marine exhaust systems where water is injected upstream of the silencer. Mixed exhaust flow temperature not to exceed 200 ºF at silencer inlet.




MP31

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24

Or larger




“




4 ½ 12 ¾ 54 48 3 4 ½ 103

5 12 ¾ 54 48 3 5 103

6 14 ¾ 54 48 3 6 118

8 18 ¾ 60 48 6 8 167

10 22 ¼ 70 58 6 10 235

12 26 ¼ 82 70 6 12 334


TYPICAL APPLICATION

OVERVIEW FEATURES



Constructed of 316L stainless steel, the MP41 offers very high noise attenuation in marine exhaust systems where water is injected upstream of the silencer. Mixed exhaust flow temperature not to exceed 200 ºF at silencer inlet.




MP41

40

30

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10

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12

24

Or larger




“



Size ØA C D E F G H IEst Wt

4 28 4 9 11 6 ½ 18 2 4 130

5 29 5 11 13 7 ½ 18 ½ 2 4 150

6 33 6 12 14 8 20 ½ 2 4 192

8 45 8 14 16 9 26 ½ 2 4 341

10 52 10 16 18 10 30 2 4 561

12 62 12 18 20 11 35 2 4 816

14 64 14 23 26 14 ½ 37 3 5 950

16 74 16 25 28 15 ½ 42 3 5 1388

18 84 18 27 30 16 ½ 47 3 5 1856

20 92 20 28 31 17 51 3 5 2186


FEATURES



OVERVIEWThe MD32 is engineered to provide a critical grade of attenuation while minimizing space usage. It is an excellent choice for packaged power and process skids where space is a premium. Dual inlets and other custom designs can be easily incorporated.

Design not only reduces surface temperature, but also radiated noise.

These units feature heavy duty, welded construction with temperature resistant insulation within a double wall construction. The inlet and outlets are standard with ANSI drilled 125/150 lb flanges.

Standard finish is high temperature resistant silicone black. Alternate finishes are available upon request. Standard material is carbon steel, but stainless steel construction is available. A minimum 3" gap is recommended between the silencer and enclosure roof.


CRITICAL LOW PROFILE PANCAKE CHAMBER25 to 32 dBA Noise Reduction

Ø

• Low surface temperature design• Heavy duty, welded construction• ANSI drilled flanges on inlet and outlet• High-temperature, prime coated black finish• 2" thick internal insulation• Lift lugs

• Stainless steel construction: 304, 316, and 321• Custom inlet and outlet size and location• Support brackets• Special paint

• Internal combustion engines• Process skids• Genset enclosures• Marine engines

MD32


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12"

18"



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4 32 4 10 12 7 20 2 4 165

5 32 5 11 13 7 ½ 20 2 4 174

6 38 6 12 14 8 23 2 4 238

8 52 8 14 16 9 30 2 4 518

10 59 10 16 18 10 33 ½ 2 4 701

12 70 12 18 20 11 39 2 4 984

14 70 14 24 27 15 40 3 5 1104

16 75 16 28 31 17 42 ½ 3 5 1518

18 86 18 30 33 18 48 3 5 2006

20 94 20 32 35 19 52 3 5 2375


The MD42 is engineered to provide a super critical grade of attenuation while minimizing space usage. It is an excellent choice for packaged power and process skids where space is a premium. Dual inlets and other custom designs can be easily incorporated.





FEATURES



OVERVIEW

SUPER CRITICAL LOW PROFILE PANCAKE CHAMBER30 to 37 dBA Noise Reduction

Ø




MD42


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8"

12"

18"



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4 40 4 12 14 8 24 2 4 259

5 49 5 14 16 9 28 ½ 2 4 413

6 58 6 15 17 9 ½ 33 2 4 653

8 68 8 17 19 10 ½ 38 2 4 906

10 78 10 20 22 12 43 2 4 1373

12 80 12 23 25 13 ½ 44 2 4 1544

14 86 14 27 30 16 ½ 48 3 5 1961

16 100 16 30 33 18 55 3 5 2598

18 112 18 33 36 19 ½ 61 3 5 3359

20 120 20 35 38 20 ½ 65 3 5 3864


FEATURES



OVERVIEW

HOSPITAL LOW PROFILE PANCAKE CHAMBER35 to 42 dBA Noise Reduction

Ø

The MD52 is engineered to provide a hospital grade of attenuation while minimizing space usage. It is an excellent choice for packaged power and process skids where space is a premium. Dual inlets and other custom designs can be easily incorporated.








MD52


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18"



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The MR32 is engineered to provide a critical grade of attenuation while minimizing space usage. It is designed specifically for enclosures and marine applications where silencer height is critical.



Standard finish is high temperature resistant silicone black. Alternate finishes are available upon request.

Standard material is carbon steel, but stainless steel construction is available.

A minimum 3" gap is recommended between the silencer and enclosure roof.

Size ØA B C D N H I JEst Wt

4 4 11 31 31 9.5 2 4 13 292

5 5 11.5 35 35 9.5 2 4 13.5 358

6 6 13.5 40 40 11 2 4 15.5 477

8 8 15 50 50 12 2 4 17 737

10 10 18 56 56 13 2 4 20 957

12 12 22 64 64 15 2 4 24 1369

14 14 25 72 72 16 3 5 28 1803

16 16 27 80 80 17 3 5 30 2298

18 18 28 88 88 18 3 5 31 2717

20 20 32 94 94 19 3 5 35 3178


FEATURES



OVERVIEW

CRITICAL THIN LINE SILENCER25 to 35 dBA Noise Reduction

Ø

Ø

• Low surface temperature design• Heavy duty, welded construction• ANSI drilled flanges on inlet and outlet• High-temperature, prime coated black finish• 2" thick internal insulation• Drain connections

• Stainless steel construction: 304, 316 and 321• Custom inlet and outlet size and location• Support brackets• Special paint• Complete range of exhaust accessories

• Enclosures• Marine

MR32


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4 4 12 35 35 9.5 2 4 14 362

5 5 12 41 41 9.5 2 4 14 465

6 6 14 50 50 11 2 4 16 693

8 8 16 58 58 12 2 4 18 954

10 10 19 70 70 13 2 4 21 1389

12 12 22 78 78 15 2 4 24 1883

14 14 25 84 84 16 3 5 28 2304

16 16 28 88 88 17 3 5 31 2686

18 18 30 94 106 18 3 5 33 3372

20 20 32 94 124 19 3 5 35 3935


FEATURES


TYPICAL APPLICATION

OVERVIEW

SUPER CRITICAL THIN LINE SILENCER30 to 40 dBA Noise Reduction

Ø

The MR42 is engineered to provide a super critical grade of attenuation while minimizing space usage. It is designed specifically for enclosures and marine applications where silencer height is critical.









Ø

MR42


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12"

18"



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Size ØA B ØC D N H I JEst Wt

4 4 13 39 39 9 ½ 2 4 15 440

5 5 14 49 49 9 ½ 2 4 16 651

6 6 17 58 58 11 2 4 19 935

8 8 20 68 68 12 2 4 22 1316

10 10 23 78 78 13 2 4 25 1880

12 12 26 80 80 15 2 4 28 2061

14 14 30 86 86 16 3 5 33 2528

16 16 32 94 106 17 3 5 35 3394

18 18 36 94 134 18 3 5 39 4251

20 20 38 94 154 19 3 5 41 5129


FEATURES



OVERVIEW

HOSPITAL THIN LINE SILENCER35 to 50 dBA Noise Reduction

Ø

Ø

The MR52 is engineered to provide a hospital grade of attenuation while minimizing space usage. It is designed specifically for enclosures and marine applications where silencer height is critical.









MR52


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12"

18"



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4 4 13 39 57 9 ½ 2 4 15 627

5 5 14 49 69 9 ½ 2 4 16 905

6 6 17 58 80 11 2 4 19 1274

8 8 20 68 94 12 2 4 22 1800

10 10 23 78 98 13 2 4 25 2365

12 12 26 80 102 15 2 4 28 2615

14 14 30 86 108 16 3 5 33 3183

16 16 32 94 130 17 3 5 35 4224

18 18 36 94 160 18 3 5 39 5183

20 20 38 94 184 19 3 5 41 6252


FEATURES



OVERVIEW

HOSPITAL PLUS THIN LINE SILENCER35 to 55 dBA Noise Reduction

Ø

Ø

The MR62 is engineered to provide a hospital plus grade of attenuation while minimizing space usage. It is designed specifically for enclosures and marine applications where silencer height is critical.









MR62


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12"

18"



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Size ØA B ØCEstWt

1 4 5⁄8 16 1 10

1 ½ 4 5⁄8 20 1 ½ 15

2 5 ¾ 24 2 20

2 ½ 5 ¾ 26 2 ½ 25

3 7 30 3 40

3 ½ 7 34 3 ½ 45

4 10 ¼ 38 4 90

5 12 42 5 120

6 12 48 6 145

8 14 54 8 200

10 16 67 10 315

12 18 79 12 420

14 20 91 14 670

16 22 103 16 840

18 30 71 18 980

20 36 83 20 1370

22 36 89 22 1505

24 40 98 24 1920

26 45 106 26 2325

28 45 111 28 2495

30 50 121 30 2995


FEATURES

OPTIONAL ACCESSORIESTYPICAL APPLICATIONS

OVERVIEW

STRAIGHT THROUGH ACOUSTICALLY PACKED BLOWER15 to 30 dBA Noise Reduction

Use for a high degree of high frequency noise attenuation on blower intakes or discharges. This model is ideal for residential areas where background noise is relatively low.

• Rotary positive blower intake and discharge• Vacuum pump intake and discharge• Centrifugal blower intake and discharge

• Advanced acoustical design• High quality sound absorbing material• Extra heavy wall, all welded construction• Prime coated exterior finish• Sizes 1" through 3 ½" have MNPT connections

• Flexible connectors• Companion flanges• Horizontal or vertical support arrangements• Special paint• Stainless steel construction

MB11

40

30

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6

12

24

Or larger




“



Size ØA B ØC N Min N Max O PEstWt

4 14 48 4 5 ½ 22 10 45 110

5 16 55 5 6 ½ 25 11 52 ¼ 120

6 18 63 6 7 29 ½ 12 60 ¼ 170

8 22 76 8 8 ½ 36 ½ 14 73 ½ 285

10 26 91 10 10 ½ 43 16 ½ 88 460

12 30 109 12 12 53 18 ½ 106 ¼ 745

14 36 102 14 14 48 21 ½ 99 ¼ 965

16 40 119 16 17 56 23 ½ 116 ½ 1340

18 45 127 18 19 60 26 ½ 124 1850

20 50 144 20 21 69 29 141 ¼ 2175

22 54 161 22 22 78 31 158 ½ 2650

24 60 165 24 24 79 34 162 ¼ 3400

26 64 183 26 26 89 36 180 ½ 3850

28 68 200 28 27 98 38 197 ¾ 4840

30 72 216 30 29 107 40 213 ¾ 5150


FEATURES


TYPICAL APPLICATION

OVERVIEW

CHAMBER TYPE BLOWER SILENCER15 to 30 dBA Noise Reduction

An efficient economical design, the MB21 is useful on blower intakes or discharges. Use an MB21 where some background noise is always present and high degrees of silencing is not required.

• Rotary positive blower intake and discharge (10" size and below)

• Advanced acoustical design• Prime coated exterior finish

• Stainless steel or monel construction• Flanged connections• Standard pipe size necks• Horizontal or vertical support arrangements• Special paint

MB21

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6

12

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Or larger




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FEATURES


TYPICAL APPLICATION

OVERVIEW

COMBINATION ACOUSTICALLY PACKED CHAMBER BLOWER25 to 30 dBA Noise Reduction

Size ØA B ØC N Min N Max O PEstWt

4 14 52 4 8 ½ 19 23 45 150

5 16 60 5 10 21 ½ 26 52 ¼ 195

6 18 69 6 10 26 ½ 30 60 ¼ 250

8 22 84 8 11 33 ½ 36 73 ½ 380

10 26 101 10 13 ½ 40 43 88 620

12 30 121 12 15 50 51 106 ¼ 1030

14 36 115 14 18 44 52 99 ¼ 1230

16 40 135 16 20 53 59 116 ½ 1815

18 45 140 18 25 54 58 124 2750

20 50 159 20 26 64 59 141 ¼ 3210

22 54 177 22 29 71 60 154 ¼ 3895

24 60 184 24 30 73 60 162 ¼ 4330

26 64 204 26 31 84 60 180 ½ 5005

28 68 223 28 33 92 62 197 ¾ 6625

30 72 241 30 34 102 62 213 ¾ 7315

32 76 250 32 36 ½ 102 ½ 64 220 ¾ 8415

34 82 252 34 37 ½ 102 ½ 64 220 ½ 8995

36 86 254 36 37 ½ 102 ½ 65 221 9485


The MB31 provides the highest degree of overall noise attenuation on blower intakes or discharges. Use an MB31 where background noise is extremely low and the best degree of silencing is required.

• Rotary positive blower intake and discharge

• Advanced acoustical design• High quality sound absorbing material• Packed inlet• Prime coated exterior finish

• Stainless steel or monel construction• Flanged connections• Standard pipe size necks• Horizontal or vertical support arrangements• Special paint

MB31

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Or larger




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Size ØA B C ØD E ØF Est Wt5 12 66 60 2 3 5 98

6 12 78 72 3 3 6 112

8 14 86 80 4 3 8 152

10 16 106 100 6 3 10 250

12 18 127 120 8 3 ½ 12 340


E E

FEATURES


OVERVIEW

ATMOSPHERIC VENT SILENCER35 to 40 dBA Noise Reduction

For relatively small vent applications, the VT-S offers impressive silencing of the noise associated with steam or gas vents. The VT-S has a very high performance to cost ratio.

• Steam ejectors• Small steam or gas vents• Small process vents• Turbine and compressor bypass• Small safety and relief valves

• Advanced acoustical design• Heavy duty, all welded construction and long service life• Glass wool packing• Prime coated exterior finish• ASME code inlet available

• Companion flanges• Metallic wool packing• Stub inlet and outlet connection• Horizontal or vertical support arrangements• Special paint• Stainless steel construction

VT-S

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Size ØA B C ØD E F Est Wt14 14 38 ½ 41 ½ 4 3 1 175

18 18 47 ½ 50 ½ 6 3 1 265

22 22 58 61 6 3 1 465

26 26 66 69 8 3 1 575

30 30 77 80 ½ 10 3 ½ 1 945

36 36 93 ½ 97 12 3 ½ 1 1415

40 40 104 ½ 108 14 3 ½ 1 1840

45 45 121 ½ 125 16 3 ½ 1 2425


F DRAIN INLET DIFFUSER CONCENTRIC

ACOUSTICAL PANELS

FEATURES


OVERVIEW


Use for good vent silencing of high frequency noise associated with steam or gas vents. The VT-1 has a very high performance to cost ratio. Installation of the VT-1 on a high pressure safety valve discharge will satisfy any concerns regarding worker safety or OSHA noise compliance.

• Process vents• Safety and relief valve discharge• Small process vents• Compressor and gas transmission line blowdown


• Companion flanges• Metallic wool packing• Stub inlet and outlet connection• Horizontal or vertical support arrangements• Flanged inlet• Special paint• Stainless steel construction

VT-1

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30

45




“




18 18 65 ½ 68 ½ 6 3 1 345

22 22 82 85 6 3 1 480

26 26 96 99 8 3 1 985

30 30 113 116 ½ 10 3 ½ 1 1380

36 36 135 ½ 139 12 3 ½ 1 1835

40 40 153 156 ½ 14 3 ½ 1 2665

45 45 169 ½ 173 16 3 ½ 1 3380



ACOUSTICAL PANELS

FEATURES


OVERVIEW


Use for better vent silencing of high frequency noise associated with steam or gas vents. The VT-2 is shorter and more economical than the VT-3.



• Companion flanges• Metallic wool packing• Side inlet connection• Horizontal or vertical support arrangements• Flanged inlet• Special paint• Stainless steel construction

VT-2

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FEATURES


OVERVIEW


ACOUSTICAL PANELS



18 18 89 ½ 92 ½ 6 3 1 458

22 22 118 121 6 3 1 732

26 26 132 135 8 3 1 1034

30 30 155 ½ 159 10 3 ½ 1 1768

36 36 184 ½ 187 ½ 12 3 ½ 1 2656

40 40 207 210 ½ 14 3 ½ 1 3467

45 45 235 ½ 239 16 3 ½ 1 4487


Use for the best vent silencing of high frequency noise associated with steam or gas vents. The VT-3 provides the maximum noise reduction that can be practically obtained.



• Companion flanges• Metallic wool packing• Side inlet connection• Horizontal or vertical support arrangements• Flanged inlet• Special paint• Stainless steel construction

VT-3

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OVERVIEW


FEATURES


Straight through design without a center panel offers good attenuation of high frequency noise with low pressure drop. Applications include small atmospheric vent applications. It can also serve as an add-on to boost overall attenuation when installed in series with an M-line chamber type silencer. Choose an FP model for intake service or an FPE for exhaust service.

STRAIGHT THROUGH ABSORPTIVE DESIGN15 to 20 dBA Noise Reduction

SizeØA

(FP)ØA

(FPE) B ØCEstWt

1 ½ 4 ¾ 4 ¾ 20 1 ½ 8

2 5 5 24 2 12

2 ½ 6 6 26 2 ½ 14

3 6 ½ 6 ½ 30 3 20

3 ½ 7 7 34 3 ½ 28

4 10 11 38 4 55

5 11 1⁄8 12 42 5 63

6 12 1⁄8 13 48 6 80

8 14 1⁄8 15 54 8 120

10 16 1⁄8 17 67 10 180

12 18 1⁄8 19 79 12 290

14 20 20 91 14 330

16 22 22 103 16 440

18 24 24 116 18 570

20 26 26 128 20 700

22 28 28 140 22 820

24 30 30 152 24 1100

26 32 32 164 26 1370

28 34 34 176 28 1560

30 36 36 188 30 1770


• Internal combustion engine intakes and exhaust• Compressor intakes• Fan intakes and discharges

• Advanced acoustical design• Heavy duty, all welded construction and long service life• Easily installed in any position• Prime coated exterior finish• Sizes 1 1⁄2" to 3 1⁄2" have MNPT connections

• Horizontal or vertical support arrangements• Special paint• Stainless steel construction

FP-FPE

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OVERVIEW


FEATURES


INTERNAL CENTER PANEL ABSORPTIVE DESIGN20 to 25 dBA Noise Reduction


16 20 39 16 240

18 22 44 18 300

20 24 48 20 360

22 26 52 22 430

24 28 56 24 590

26 30 3⁄8 60 26 700

28 32 ½ 64 28 800

30 35 3⁄8 68 30 900

32 37 72 32 1200

34 39 ½ 76 34 1330

36 42 80 36 1490


Use for a medium to high degree of high frequency noise attenuation. Choose an FPC model for intake service or an FPCE for exhaust service.


• Advanced acoustical design• Heavy duty, all welded construction and long service life• Easily installed in any position• Prime coated exterior finish


FPC-FPCE

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OVERVIEW


FEATURES


FULL FLOW INTERNAL CENTER PANEL ABSORPTIVE DESIGN15 to 30 dBA Noise Reduction

Size ØA B ØC Est Wt6 14 5⁄8 27 6 75

8 18 35 8 130

10 20 ¾ 44 10 190

12 23 3⁄8 51 12 270

14 26 3⁄8 57 14 370

16 29 1⁄8 66 16 490

18 32 1⁄8 71 18 565

20 34 7⁄8 83 20 820

22 37 ¾ 89 22 1000

24 40 ½ 98 24 1280

26 43 3⁄8 106 26 1530

28 46 ¼ 111 28 1700

30 49 121 30 1900


Use for a high degree of high frequency noise attenuation. Choose an FPS model for intake service or an FPSE for exhaust service.


• Advanced acoustical design• Heavy duty, all welded construction and long service life• Easily installed in any position• Prime coated exterior finish


FPS-FPSE

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OVERVIEW


FEATURES

RESIDENTIAL STRAIGHT THROUGH ABSORPTIVE DESIGN25 to 32 dBA Noise Reduction


SizeODØB

OALD Est Wt

12 22 79 512

14 22 94 599

16 24 100 685

18 26 108 812

20 30 126 1237

22 30 138 1337

24 36 144 1660

26 36 156 1802

28 40 168 2161

30 40 180 2322

32 40 192 2494

34 45 204 2922

36 45 214 3106

38 50 220 3514

40 50 230 3641


D

ØB

Straight through design with bullet and reactive element offers good attenuation of high frequency noise with low pressure drop.

• Internal combustion engine exhaust• Marine service

• Advanced acoustical design• Heavy duty, all welded construction and long service life• Easily installed in any position• High temperature black finish

• Vertical or horizontal support arrangements• Special paint• Stainless steel construction

MM32


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18"



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OVERVIEW


FEATURES

CRITICAL STRAIGHT THROUGH ABSORPTIVE DESIGN30 to 38 dBA Noise Reduction


SizeODØB

OALD Est Wt

12 22 79 512

14 24 94 643

16 26 100 727

18 30 108 1103

20 30 126 1265

22 36 138 1663

24 36 144 1753

26 40 156 2193

28 45 168 2628

30 45 180 2816

32 50 192 3319

34 54 204 3743

36 60 214 4474

38 60 220 4507

40 60 230 4671


D

ØB





MM42


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OVERVIEW


FEATURES

SUPER CRITICAL STRAIGHT THROUGH ABSORPTIVE DESIGN35 to 42 dBA Noise Reduction


SizeODØB

OALD Est Wt

12 26 88 662

14 26 104 769

16 30 110 1125

18 36 120 1469

20 40 140 1910

22 40 152 2044

24 45 160 2416

26 45 172 2682

28 50 186 3162

30 50 198 3366

32 54 212 3994

34 60 224 4558

36 60 236 4767

38 64 242 6018

40 64 254 6274


D

ØB





MM52


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18"



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OVERVIEW


FEATURES

HOSPITAL STRAIGHT THROUGH ABSORPTIVE DESIGN35 to 50 dBA Noise Reduction


SizeODØB

OALD Est Wt

12 26 102 750

14 26 120 900

16 30 128 1280

18 36 138 1656

20 40 160 2162

22 40 174 2320

24 45 184 2749

26 45 198 3028

28 50 214 3638

30 50 228 3870

32 54 244 4448

34 60 258 5143

36 60 272 5423

38 64 280 6894

40 64 294 7193

Note: Dimensions are in inches, weights are in pounds

D

ØB





MM62


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OVERVIEW


FEATURES


INLINE ASME CODE SILENCERS15 dBA Noise Reduction

Size ØA B B ØC ØD

Max. Operating Pres. -20ºF to 650ºF for each design

1/16” corrosion allowance

Est Wt

8 14 27 38 8 174 246

8 15 ¼ 41 56 8 214; 931 755

10 16 31 45 10 138 335

1 17 ¼ 45 64 10 188; 820 918

12 18 33 50 12 123 440

12 19 ¼ 46 67 12 167; 733 1248

14 20 35 54 14 100 613

14 21 ¼ 50 74 14 151; 662 1347

16 22 37 59 16 88 634

16 23 ¼ 51 77 16 137; 473; 604 1505

18 24 38 63 18 80 744

18 25 ¼ 53 — 18 126; 434; 555 1687

20 26 39 67 20 73 871

20 27 ¼ 53 20 116; 345; 514 1920

22 28 39 69 22 67 990

22 29 ¼ 53 22 107; 321; 478 2157

24 30 42 75 24 63 1191

24 31 ¼ 56 24 98; 251; 398; 447 2463

Note: Standard silencers do not include diffusers. Dimensions C and D are equal on standard silencers. Data on larger sizes available upon request.Dimensions are in inches, weights are in pounds.Pressure is in PSIG.

- To

Be

Spec

ified

By

Cust

omer

-

Maxim line ILM-15 silencers will provide good silencing when properly installed with pressure reducing valves and on centrifugal compressor discharges. These silencers are fabricated in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 1.

The ILM model utilizes a slightly higher pressure drop than the ILL. This design reduces the ILM package size without significantly sacrificing acoustical performance.

• Pressure reducing valves• Centrifugal compressor discharges

• Advanced acoustical design• All welded construction and long service life• Easily installed in any position• Prime coated exterior finish

• Flanged inlet and outlet connections• Metallic wool packing• Various support arrangements• Special paint• Stainless steel construction

ILM-15

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Size ØA B ØC ØD

Max. Operating Pres. -20ºF to 650ºF for each design


Est Wt

3 10 ¾ 24 3 375; 540; 1200 256

3 ½ 10 ¾ 27 3 ½ 380; 540; 1200 298

4 12 ¾ 30 4 325; 450; 1200 457

5 12 ¾ 36 5 325; 446; 1200 565

6 12 ¾ 42 6 194 156

6 13 ¼ 56 6 249; 847; 1076 503

8 14 54 8 174 213

8 15 ¼ 68 8 214; 731; 931 720

10 16 66 10 138 304

10 17 ¼ 80 10 188; 554; 820 978

12 18 78 12 123 403

12 19 ¼ 92 12 167; 413; 574; 794; 890 1269

14 20 90 14 100 504

14 21 ¼ 105 14 151; 299; 446; 717; 804 1590

16 22 102 16 88 628

16 23 ¼ 116 16 137; 273; 406; 473; 654; 733 1934


- To

Be

Spec

ified

By

Cust

omer

-

OVERVIEW


FEATURES



Maxim line ILL-20 silencers will provide good silencing with minimal pressure drop when properly installed with pressure reducing valves and on centrifugal compressor discharges. These silencers are fabricated in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 1.


• Advanced acoustical design• All welded construction and long service life• Easily installed in any position• Prime coated exterior finish• Low pressure drop


ILL-20

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Maxim line ILM-25 silencers will provide a very high level of silencing when properly installed with pressure reducing valves and on centrifugal compressor discharges. These silencers are fabricated in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 1.

The ILM model utilizes a slightly higher pressure drop than the ILL. This design reduces the ILM package size without significantly sacrificing acoustical performance.


OVERVIEW TYPICAL APPLICATIONS

FEATURES



SizeØA

Max B B ØC ØD

Max. Operating Pres.-20ºF to 650ºF for each design


Est Wt

8 14 39 50 8 174 289

8 15 ¼ 53 68 8 214; 931 949

10 16 43 57 10 138 393

10 17 ¼ 56 75 10 188; 820 1055

12 18 45 62 12 123 504

12 19 ¼ 58 79 12 167; 733 1417

14 20 47 66 14 100 687

14 21 ¼ 62 86 14 151; 662 1540

16 22 51 73 16 88 749

16 23 ¼ 65 91 16 137; 473; 604 1744

18 24 54 78 18 80 868

18 25 ¼ 69 — 18 126; 434; 555 1994

20 26 56 84 20 73 1015

20 27 ¼ 71 20 116; 345; 514 2291

22 28 58 87 22 67 1168

22 29 ¼ 73 22 107; 321; 478 2647

24 30 63 96 24 63 1421

24 31 ¼ 78 24 98; 251; 398; 447 3018


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• Advanced acoustical design• All welded construction and long service life• Easily installed in any position• Prime coated exterior finish


ILM-25

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Size ØA B ØC ØD

Max. Operating Pres.-20ºF to 650ºF for each design


Est Wt

3 10 ¾ 30 3 375; 540; 1200 322

3 ½ 10 ¾ 34 3 ½ 380; 540; 1200 375

4 12 ¾ 38 4 325; 450; 1200 558

5 12 ¾ 46 5 325; 446; 1200 717

6 12 ¾ 54 6 194 192

6 13 ¼ 68 6 249; 847; 1076 607

8 14 78 8 174 260

8 15 ¼ 92 8 214; 731; 931 941

10 16 106 10 138 444

10 17 ¼ 120 10 188; 554; 820 1441

12 18 126 12 123 617

12 19 ¼ 140 12 167; 413; 574; 794; 890 1881

14 20 146 14 100 786

14 21 ¼ 161 14 151; 299; 446; 717; 804 2387

16 22 166 16 88 985

16 23 ¼ 180 16 137; 273; 406; 473; 654; 733 2935

Note: Standard silencers do not include diffusers. Dimensions C and D are equal on standard silencers. Data on larger sizes available upon request.Dimensions are in inches, weights are in pounds. Pressure is in PSIG.

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OVERVIEW


FEATURES



Maxim line ILL-30 silencers will provide a very high level of silencing and minimal pressure drop when properly installed with pressure reducing valves and on centrifugal compressor discharges. These silencers are fabricated in accordance with ASME Boiler and Pressure Vessel Code, Section VIII, Division 1.


• Advanced acoustical design• All welded construction and long service life• Easily installed in any position• Prime coated exterior finish• Low pressure drop


ILL-30

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QUICK ACCESS CATALYTIC SILENCERS

The Maxim line Quick-Access series of catalytic silencers is the ultimate solution for natural gas internal combustion engine emission control in any environment.

Easy to install and simple to maintain and operate, Quick-Access Catalytic (QAC) silencers are designed to work efficiently and economically over a long, trouble-free life span. We offer the flexibility and performance needed to efficiently meet your specific requirements, plus innovative features that are only available from IAC Acoustics.

QAC MODEL

Our QAC silencer combines two solutions in one: highly efficient emission reduction and proven noise attenuation with the IAC Acoustics design. Unified construction saves space and ensures end-to-end quality and accountability. Designed to accommodate two configurations: three-way, Non Selective Catalytic Reduction (NSCR), or a two-way oxidizing element. The NSCR configuration reduces NOx, CO, NMNEHC (VOC’s) and HCHO on rich burn engines. The oxidation configuration reduces CO, NMNEHC (VOC’s) and HCHO on lean burn / clean burn engines. Silencing configurations are available as a housing only, or with inaugurated silencers from industrial grade to hospital plus grade noise attenuation.

ADDED VALUE

• Delivering distinctly—focused, customer-specific engineered solutions within budget and on schedule• Providing silencer sizing based on customer's application and desired emission reduction• Custom designs available for the following extreme applications Very high temperature operations (above 1300 °F) Very low temperature operations (below 550 °F) Near 100% NOx or CO emission destruction• Offering ongoing performance tuning and monitoring if required

HOUSING FEATURES

• Single wrench servicing of elements• Gasket free seal between catalytic core and housing• Hinged or removable access cover• Dual element capacity• Platinum and rhodium metals provide long lasting catalytic activity• Stainless steel monolithic element with support band and handle• Positive mechanical axial sealing of elements• Multiple emission sample ports with separate element monitoring• Low backpressure inlet diffuser for better exhaust distribution• Minimum pressure drop design for housing and element

OPTIONS

• Enhanced conversion element(s)• Multiple element configuration —Install up to two elements• Combination NSCR or oxidation configuration • Industrial grade to hospital plus grade silencing• Stainless steel or carbon steel housing

OVERVIEW




“



Size ØA B ØC20-3 3 Consult Factory Consult Factory

24-3 3 Consult Factory Consult Factory






29-6 6 44 22




47-8 8 48 26

47-10 10 48 26

53-10 10 52 30

53-12 12 52 30


57-12 12 58 36


61-12 12 58 36

61-14 14 58 36

61-16 16 58 40

67-12 12 58 36

67-14 14 58 36

67-16 16 58 40

67-18 18 66 45

67-20 20 66 45

Note: Dimensions are in inches.

OVERVIEW


FEATURES


CATALYTIC HOUSING ONLY

Exhaust Gas CatalystThe QAC1 provides customizable emission reduction combined with IAC Acoustics’ best silencing technologies.

The QAC is designed to require one wrench access cover removal for easy servicing of elements. The units feature stainless steel internals and elements with a support band and handle.

Attenuation is with catalyst element installed.

• Gas reciprocating internal combustion engines• Natural gas compression packages• Electrical power generation• Engine driven pumps

• Hinged or removable access cover• Gasket free seal between catalytic core and housing• One wrench access cover removal• Heavy duty, all welded construction and long service life• High temperature prime coated exterior finish • Multiple sample ports and separate element monitoring • Top or side facing door arrangement • Test ports per EPA and TCEQ guidelines

• NSCR (three-way) or oxidation elements• Flexible connectors• Companion flanges• Cleanout openings• Side inlet and outlet• Horizontal or vertical support arrangements• Special paint• Custom sizing• Explosion relief cover

QAC1


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Size ØA B ØC Est Wt24-3 3 55 14 18024-4 4 60 16 21024-5 5 71 18 25524-6 6 78 22 32529-4 4 71 18 25529-5 5 71 18 26029-6 6 78 22 33039-6 6 78 22 34039-8 8 91 26 525

39-10 10 109 30 73547-8 8 91 26 525

47-10 10 109 30 73553-10 10 109 30 74053-12 12 124 36 97557-10 10 124 36 96057-12 12 124 36 98061-10 10 124 36 96061-12 12 124 36 98061-14 14 132 40 121061-16 16 140 45 164067-12 12 124 36 98067-14 14 132 40 121067-16 16 140 45 164067-18 18 158 50 229067-20 20 181 54 2750


OVERVIEW


FEATURES


SUPER CRITICAL CATALYTIC SILENCERS30 to 40 dBA Noise Reduction

The QAC4 provides customizable emission reduction combined with IAC Acoustics’ best silencing technologies. QAC4 delivers super critical grade silencing for noise sensitive applications.

The QAC is designed to require one wrench access cover removal for easy servicing of elements. The units feature stainless steel internals and elements with a support band and handle.

Attenuation rating is with one catalyst element installed.


• Hinged or removable access cover• Gasket free seal between catalytic core and housing• One wrench access cover removal• Advanced acoustical design• Heavy duty, all welded construction and long service life• High temperature prime coated exterior finish • Multiple sample ports and separate element monitoring • Top or side facing door arrangement • Test ports per EPA and TCEQ guidelines


QAC4


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Size ØA B ØC Est Wt24-3 3 60 14 25024-4 4 70 18 31024-5 5 81 22 42024-6 6 91 26 61029-4 4 70 18 32029-5 5 81 22 42029-6 6 91 26 61039-6 6 91 26 61039-8 8 109 30 940

39-10 10 124 36 128047-8 8 109 30 940

47-10 10 124 36 128053-10 10 124 36 128053-12 12 138 36 141057-10 10 124 36 128157-12 12 138 36 141061-10 10 124 36 129061-12 12 138 36 142061-14 14 151 40 174761-16 16 162 45 244067-12 12 138 36 141067-14 14 151 40 175067-16 16 162 45 244067-18 18 180 50 324067-20 20 200 54 3820


OVERVIEW


FEATURES


HOSPITAL PLUS CATALYTIC SILENCERS35 to 50 dBA Noise Reduction

The QAC6 provides customizable emission reduction combined with IAC Acoustics’ best silencing technologies. QAC6 delivers hospital plus grade silencing for noise sensitive applications.

The QAC is designed for single wrench access cover removal for easy servicing of elements. The units feature stainless steel internals and elements with a support band and handle.

Attenuation rating is with one catalyst element installed.


• Hinged or removable access cover• Gasket free seal between catalytic core and housing• One wrench to remove access cover• Advanced acoustical design• Heavy duty, all welded construction and long service life• High temperature prime coated exterior finish • Multiple sample ports and separate element monitoring • Top or side facing door arrangement • Test ports per EPA and TCEQ guidelines


QAC6


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OVERVIEW


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CRITICAL CATALYTIC SILENCERS25 to 32 dBA Noise Reduction

Size ØB C H20 50 166 17122 54 178 18324 60 198 20326 64 220 22528 68 240 24530 72 256 26132 78 270 27534 84 284 28936 84 304 30938 90 310 31540 90 320 32542 96 320 32544 96 350 35546 102 350 35548 102 360 36550 108 360 365

Note: Dimensions are in inches.Specify F-Dim for the application.

H

F

B

C

The MAC32 provides customizable emission reduction combined with IAC Acoustics’ best silencing technologies. MAC32 critical grade silencing for noise sensitive applications.

The MAC are designed for large engines utilizing QAC pressure bar patent design concept. Allow high inlet and ground catalyst access.

Attenuation rating is with catalyst element installed.


• Removable access cover• Gasket free seal between catalytic core and housing• Ground access• Advanced acoustical design• Heavy duty, all welded construction and long service life• High temperature prime coated exterior finish • Multiple sample ports and separate element monitoring • Test ports per EPA and TCEQ guidelines

• NSCR (three-way) or oxidation elements• Flexible connectors• Cleanout openings• Support arrangements• Special paint• Custom sizing• Explosion relief cover• Base ring skirt or legs mounted• Insulation clip• Insulated body

MAC32


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OVERVIEW


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HOSPITAL PLUS CATALYTIC SILENCERS35 to 50 dBA Noise Reduction

Size ØB C H20 54 220 22522 60 234 23924 64 250 25526 68 262 26728 72 272 27730 78 284 28932 84 294 29934 84 314 31936 90 324 32938 90 344 34940 96 354 35942 96 374 37944 102 380 38546 102 390 39548 108 396 40150 108 410 415

Note: Dimensions are in inches.Specify F-Dim for the application.

H

F

B

C

The MAC62 provides customizable emission reduction combined with IAC Acoustics’ best silencing technologies. MAC62 critical grade silencing for noise sensitive applications.

The MAC are designed for large engines utilizing QAC pressure bar patent design concept. Allow high inlet and ground catalyst access.

Attenuation rating is with catalyst element installed.


• Removable access cover• Gasket free seal between catalytic core and housing• Ground access• Advanced acoustical design• Heavy duty, all welded construction and long service life• High temperature prime coated exterior finish • Multiple sample ports and separate element monitoring • Test ports per EPA and TCEQ guidelines

• NSCR (three-way) or oxidation elements• Flexible connectors• Cleanout openings• Support arrangements• Special paint• Custom sizing• Explosion relief cover• Base ring skirt or legs mounted• Insulation clip• Insulated body

MAC62


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IAC Acoustics Catalytic Silencer Systems are available in both three-way (NOx, CO, NMHC) and oxidation (CO, NMHC)

THREE-WAY FOR RICH BURN HIGH TEMPERATURE ENGINES

MCC —Catalytic reactor constructed of all carbon steel and provides industrial grade silencing

MCCS—Catalytic silencer constructed of all carbon steel and provides hospital grade silencing

OXIDATION FOR LEAN BURNING LOW TEMPERATURE ENGINES

MCCO—Catalytic reactor constructed of carbon steel and provides industrial grade silencing

MCCOS—Catalytic silencer constructed of carbon steel and provides hospital grade silencing

IAC Acoustics three-way and oxidation catalytic / silencer systems are the most comprehensive in the marketplace

• Designed for larger horsepower engines (e.g. CAT 3600 series and CM34 series)• Maximizes emission and noise compliance• 100% in-house design and construction• Guaranteed emission reductions• Heaviest duty unit in today’s market• Easy access to the catalyst—one person can service unit• Engineered size and design meet spacing requirements• More than 100 years experience with

silencing design and manufacturing• Change elements at grade level• Large two element or multiple smaller element configuration• Most importantly, we comprehensively provide exhaust heat recovery, silencing and emission control exhaust systems

An inlet baffle plate diverts the engine exhaust flow from a direct path through the catalyst bed helping to reduce damage from engine backfires.

The catalyst monolithic panels allow gas to pass through herringbone channels for maximum contact, producing greater emission reduction efficiency.

The catalytic unit has an access door installed on the end of the converter allowing for easy access to the catalyst bed without disconnecting the exhaust piping or compromising the integrity of the unit.

Couplings are installed in the inlet and outlet neck of the catalytic unit for sampling ports per EPA and TCEQ guidelines.

CATALYTIC SILENCERS

MCC SERIES




“



CATALYTIC SILENCERS

IAC Acoustics’ three-way (NSCR) and oxidation catalysts have been demonstrated to outperform competing technologies and catalysts in emission reduction efficiency with less pressure drop. The catalyst elements can be sized to replace any other manufacturer’s product. Cost effective design and manufacturing combined with rapid delivery equals unparalleled customer service for all NSCR or oxidation applications.

ELEMENT FEATURES

HEAVY-DUTY STAINLESS STEEL MODULE DESIGN

• High temperature rated Fecral alloy foil substrate• Durable, longest-lasting, highest performance

catalyst available• Perpendicular support bars prevent monolith

telescoping or element band separation• All platinum or platinum and rhodium

based catalysts

DISCRETE CELL SUBSTRATE CONSTRUCTION

• Ensures maximum durability and extreme module mechanical integrity

• Yields lowest possible pressure drop for the most surface area

• Prevents plugging of inter-catalyst channels and substrate nesting, which cause exhaust bypass and precious metal loss

ELEMENT PRECIOUS METAL RECLAMATION

• Return exhausted elements for a platinum metal credit• Offsets cost of new or replacement elements

FLEXIBILITY FOR MEETING FUTURE REGULATIONS

• Individually mounted module design allows for addition and replacement of catalyst modules to existing installations

• Backed with a two-year warranty and has an expected life of greater than three years

• Broad operating temperature range (500 to 1300 oF) allows for simple and seamless integration of catalyst systems into

all applications

REPLACEMENT ELEMENTS

• Module geometries are available to match any existing element design

• Replacement element frequently surpasses existing unit’s original performance

ELEMENT REGENERATION AND CLEANING

• Regeneration can return a deactivated unit back to operational service

• Cleaning ensures maximum element lifetime• Quick turnaround on regeneration and

cleaning service minimizes downtime and cost• Service available for all element brands

IAC Acoustics is a leading, full-service provider of catalysts and catalytic solutions with resources encompassing every aspect required to satisfy customer needs, from analyzing process conditions to delivering the final product.

ELEMENTS



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Size ØA B C D F H I JEst Wt

8 8 19 54 58 10 4 4 23 1157

10 10 19 54 70 12 4 4 23 1474

12 12 33 54 70 14 4 4 37 2041

14 14 33 56 86 16 4 4 37 2487

16 16 33 56 96 18 4 4 37 2774

18 18 33 60 110 20 4 4 37 3293

20 20 33 70 126 22 4 4 37 4156

22 22 33 74 140 24 4 4 37 4668

24 24 33 76 158 26 4 4 37 5783

26 26 34 80 170 28 4 4 38 5625


Model CMX32 is a critical grade reactive Catalyzed Diesel Particulate Filter (CDPF) silencer. The CMX32 combines noise reduction with particulate filtering and emission reductions to CARB Verified Level 3 Plus. The catalyzed DPF elements will remove greater than 95% PM, CO and THC. The standard CMX32 can be configured to suit specific requirements and is manufactured from heavy gauge carbon steel, finished with high temperature paint. The standard design includes eight test ports, two before and two after the filter module plus two on the inlet and two on the outlet. Access is provided to service and inspect the DPF elements located on the sides of the CMX32.

OVERVIEW


FEATURES


CRITICAL CATALYTIC DIESEL PARTICULATE FILTER SILENCERS25 to 33 dBA Noise Reduction

• Heavy duty, welded construction• ANSI drilled flanges on inlet and outlet • High heat silicone black finish • Drain connections• 2" thick insulation


• Stationary gensets• Rental packages• Genset enclosures• Mobile generators• Marine engines• Pump applications

CMX32


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Size ØA B C D F H I JEst Wt

8 8 19 60 60 10 4 4 23 1297

10 10 24 60 70 12 4 4 28 1905

12 12 33 60 70 14 4 4 37 2228

14 14 33 62 86 16 4 4 37 2693

16 16 33 64 104 18 4 4 37 3223

18 18 33 70 130 20 4 4 37 4089

20 20 33 78 146 22 4 4 37 5018

22 22 34 82 170 24 4 4 38 5849

24 24 35 84 192 26 4 4 39 6707

26 26 35 86 212 28 4 4 39 7118


Model CMX42 is a super critical grade reactive Catalyzed Diesel Particulate Filter (CDPF) silencer. The CMX42 combines noise reduction with particulate filtering and emission reductions to CARB Verified Level 3 Plus. The catalyzed DPF elements will remove greater than 95% PM, CO and THC. The standard CMX42 can be configured to suit specific requirements and is manufactured from heavy gauge carbon steel, finished with high temperature paint. The standard design includes eight test ports, two before and two after the filter module plus two on the inlet and two on the outlet. Access is provided to service and inspect the DPF elements located on the sides of the CMX42.

OVERVIEW


FEATURES


SUPER CRITICAL CATALYTIC DIESEL PARTICULATE FILTER SILENCERS30 to 38 dBA Noise Reduction




CMX42


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Size ØA B C D F H I JEstWt

8 8 20 64 78 10 4 4 24 1659

10 10 24 66 94 12 4 4 28 2465

12 12 33 66 80 14 4 4 37 2551

14 14 33 68 106 16 4 4 37 3269

16 16 34 72 136 18 4 4 38 4156

18 18 35 80 170 20 4 4 39 5430

20 20 36 88 180 22 4 4 40 6458

22 22 36 88 200 24 4 4 40 7030

24 24 36 88 224 26 4 4 40 7828

26 26 36 88 250 28 4 4 40 8547


Model CMX62 is a hospital plus grade reactive Catalyzed Diesel Particulate Filter (CDPF) silencer. The CMX62 combines noise reduction with particulate filtering and emission reductions to CARB Verified Level 3 Plus. The catalyzed DPF elements will remove greater than 95% PM, CO and THC. The standard CMX62 can be configured to suit specific requirements and is manufactured from heavy gauge carbon steel, finished with high temperature paint. The standard design includes eight test ports, two before and two after the filter module plus two on the inlet and two on the outlet. Access is provided to service and inspect the DPF elements located on the sides of the CMX62.

OVERVIEW


FEATURES


HOSPITAL PLUS CATALYTIC DIESEL PARTICULATE FILTER SILENCERS35 to 45 dBA Noise Reduction




CMX62


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Houston, TexasT: 866 377 8940TF: 832 554 0990E: [email protected]

MAKINGTHEWORLD A QUIETERPLACE

US-P3-0167-201508-01

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Maxim Silencers Silencer Catalog - iac- · PDF filemaking the world a quieter place Maxim Silencers Silencer Catalog MAKING THE WORLD A UIETER PLACE