EVERMARK VALVE AND AUTOMATION

376&377 SERIES BUTTERFLY VALVE

DESIGN STANDARD

Design EN 593

Face to Face ISO 5752 Series 13 BS 5155 Series 13 EN 558-1 Series 13

Flange ASME B16. Class 150 ASME B16.1 Class 125

Testing API 598 EN12226

APPLICATIONS

Water

Waste water

Chemical

Irrigation etc.

FEATURES

Rubber lined on body

Suitable to sleeve seat

Wafer & Lug type

Low operating torque

Long service life and reliability

SEAT TEMPERATURE

Seat material Max Temperature Min

Temperature

EPDM +250℉ (121℃) -40℉ (-40℃)

Buna-N +194℉ (90℃) 0℉ (-18℃)

Viton +356℉ (180℃) -0℉ (-18℃)

Please contact our sales representatives for more rubber seat materials.

OPEN AND CLOSE RATE OF CONNECTION

Fluid 15 ft/sec (5m/s)

Gas 80 ft/sec (24m/s)

Pressure Class

Pipe line service. Bi-directional sealing.

2”~12” 200 Psi (14 Bar)

14”~24” 150 Psi (10.3 Bar)

Dead end service.

377 Lug Series 100 Psi (7 Bar)

Bill of Materials 2”~14”

No. Qty. Description Material

1 1 Body Ductile Iron/Cast Iron

2 1 Disc SS304/SS316/Ductile Iron/C954/Nylon 11

3 1 Stem SS416/SS431

4 1 Seat EPDM/NBR/Viton

5 1 Upper Bearing Bronze/PTFE/SS316+PTFE

6 1 Lower Bearing Bronze/PTFE/SS316+PTFE

7 1 Shaft Seal NBR/Viton

8 1 Shaft Clip Carbon Steel

9 1 Body Clip Carbon Steel

EVERMARK VALVE AND AUTOMATION

376 & 377 SERIES BUTTERFLY VALVE

Bill of Materials 16”~24”

No. Qty. Description Material

1 1 Body Ductile Iron/Cast Iron

2 1 Disc SS304/SS316/Ductile Iron/C954/Nylon 11

3 1 Seat EPDM/NBR/Viton

4 1 Upper Shaft SS416/SS431

5 1 Lower Shaft SS416/SS431

6 1 End Cap Ductile Iron/Cast Iron

7 1 Upper Bearing (Long) Bronze/PTFE/SS316+PTFE

8 1 Set Upper Bearing (Short) Bronze/PTFE/SS316+PTFE

9 1 Set Upper Shaft Seal NBR/Viton

10 1 Retainer Ring SS416/SS304

11 1 Set Screw SS304

12 1 Set Lower Bearing Bronze/PTFE/SS316+PTFE

13 1 Lower Shaft Seal NBR/Viton

14 1 End Cap Seal NBR/Viton

15 1 Set End Cap Washer Carbon Steel

16 1 Set End Cap Bolt Carbon Steel

EVERMARK VALVE AND AUTOMATION

376 & 377 SERIES BUTTERFLY VALVE

Dimensions—(377 Lug Series)

EVERMARK VALVE AND AUTOMATION

376&377 SERIES BUTTERFLY VALVE

Size A1 A2 A3 A4 A5 B1 A6 B2 B3 C1 C2 C3 C4 C5 D1 Key

2” 2.56 5.43 1.25 ∅4.75 4-5/8”-11UNC 1.69 ∅0.562 1.18 3.86 4.0 3.3 2.75 4x∅0.44 4x∅0.40 0.375 --

2.5” 2.95 5.98 1.25 ∅5.5 4-5/8”-11UNC 1.81 ∅0.562 1.77 4.21 4.0 3.3 2.75 4x∅0.44 4x∅0.40 0.375 --

3” 3.31 6.14 1.25 ∅6.0 4-5/8”-11UNC 1.81 ∅0.562 2.5 4.72 4.0 3.3 2.75 4x∅0.44 4x∅0.40 0.375 --

4” 4.09 6.93 1.25 ∅7.5 8-5/8”-11UNC 2.06 ∅0.625 3.54 5.91 4.0 3.3 2.75 4x∅0.44 4x∅0.40 0.44 --

5” 4.53 7.4 1.25 ∅8.5 8-3/4”-10UNC 2.19 ∅0.75 4.76 6.69 4.0 3.3 2.75 4x∅0.44 4x∅0.40 0.5 --

6” 5.2 7.95 1.25 ∅9.5 8-3/4”-10UNC 2.19 ∅0.75 5.7 8.03 4.0 3.3 2.75 4x∅0.44 4x∅0.40 0.5 --

8” 6.5 9.37 1.25 ∅11.75 8-3/4”-10UNC 2.38 ∅0.875 7.61 10.55 6.0 5.0 4.92 4x∅0.56 4x∅0.56 0.625 --

10” 7.72 10.63 2 ∅14.25 12-7/8”-9UNC 2.68 ∅1.125 9.49 12.44 6.0 5.0 4.92 4x∅0.56 4x∅0.56 -- 1/4"

12” 8.98 12.13 2 ∅17.0 12-7/8”-9UNC 3.06 ∅1.125 11.47 14.65 6.0 5.0 4.92 4x∅0.56 4x∅0.56 -- 1/4"

14” 10.63 13.23 2.25 ∅18.75 12-1”-8UNC 3.06 ∅1.375 12.76 16.34 6.0 5.0 -- 4x∅0.56 -- -- 5/16”

16” 12.8 14.49 2.25 ∅21.25 16-1”-8UNC 4 ∅1.625 14.80 19.21 6.0 5.0 -- 4x∅0.56 -- -- 5/16”

18” 14.02 15.75 3 ∅22.75 16-1 1/8”-7UNC 4.5 ∅1.875 16.75 21.18 8.0 6.5 -- 4x∅0.80 -- -- 5/8”

20” 15.55 17.24 3 ∅25.0 20-1 1/8”-7UNC 5 ∅2.125 18.70 23.35 8.0 6.5 -- 4x∅0.80 -- -- 1/2"

24” 18.7 22.13 3 ∅29.5 20-1 1/4“-7UNC 6.06 ∅2.125 22.52 27.64 8.0 6.5 -- 4x∅0.80 -- -- 1/2"

Notes: 1. Face to face tolerances standard API609. 2. End flange tapped and holes tolerances standard ASME B16.5. 3. Top flange holes tolerances ± 0.011 inch.

Dimensions—(376 Wafer Series)

EVERMARK VALVE AND AUTOMATION

376&377 SERIES BUTTERFLY VALVE

Size A1 A2 A3 A4 A5 A6 B1 B2 B3 C1 C2 C3 C4 C5 D1 Key

2” 2.56 5.43 1.25 ∅4.75 4-∅0.75 ∅0.562 1.69 1.18 3.86 4.0 3.3 2.75 4x∅0.44 4x∅0.40 0.375 --

2.5” 2.95 5.98 1.25 ∅5.5 4-∅0.75 ∅0.562 1.81 1.77 4.21 4.0 3.3 2.75 4x∅0.44 4x∅0.40 0.375 --

3” 3.31 6.14 1.25 ∅6.0 4-∅0.75 ∅0.562 1.81 2.5 4.72 4.0 3.3 2.75 4x∅0.44 4x∅0.40 0.375 --

4” 4.09 6.93 1.25 ∅7.5 4-∅0.75 ∅0.625 2.06 3.54 5.91 4.0 3.3 2.75 4x∅0.44 4x∅0.40 0.44 --

5” 4.53 7.4 1.25 ∅8.5 4-∅0.875 ∅0.75 2.19 4.76 6.69 4.0 3.3 2.75 4x∅0.44 4x∅0.40 0.5 --

6” 5.2 7.95 1.25 ∅9.5 4-∅0.875 ∅0.75 2.19 5.7 8.03 4.0 3.3 2.75 4x∅0.44 4x∅0.40 0.5 --

8” 6.5 9.37 1.25 ∅11.75 4-∅0.875 ∅0.875 2.38 7.61 10.55 6.0 5.0 4.92 4x∅0.56 4x∅0.56 0.625 --

10” 7.72 10.63 2 ∅14.25 4-∅1.0 ∅1.125 2.68 9.49 12.44 6.0 5.0 4.92 4x∅0.56 4x∅0.56 -- 1/4"

12” 8.98 12.13 2 ∅17.0 4-∅1.0 ∅1.125 3.06 11.47 14.65 6.0 5.0 4.92 4x∅0.56 4x∅0.56 -- 1/4"

14” 10.63 13.23 2.25 ∅18.75 4-∅1.125 ∅1.375 3.06 12.76 16.34 6.0 5.0 -- 4x∅0.56 -- -- 5/16”

16” 12.8 14.49 2.25 ∅21.25 4-∅1.125 ∅1.625 4 14.80 19.21 6.0 5.0 -- 4x∅0.56 -- -- 5/16”

18” 14.02 15.75 3 ∅22.75 4-∅1.25 ∅1.875 4.5 16.75 21.18 8.0 6.5 -- 4x∅0.80 -- -- 5/8”

20” 15.55 17.24 3 ∅25.0 4-∅1.25 ∅2.125 5 18.70 23.35 8.0 6.5 -- 4x∅0.80 -- -- 1/2"

24” 18.7 22.13 3 ∅29.5 4-∅1.375 ∅2.125 6.06 22.52 27.64 8.0 6.5 -- 4x∅0.80 -- -- 1/2"

Notes: 1. Face to face tolerances standard API609. 2. End flange tapped and holes tolerances standard ASME B16.5. 3. Top flange holes tolerances ± 0.011 inch.

Valve Size

10° 20° 30° 40° 50° 60° 70° 80° 90°

2 0 8 15 26 42 62 76 83 107

2.5 4 12 22 38 68 105 135 162 202

3 6 17 38 65 96 147 214 267 334

4 8 27 58 103 158 236 359 504 598

5 10 41 98 162 257 377 565 805 948

6 15 56 130 231 360 522 738 1036 1254

8 21 103 228 415 624 960 1300 1929 2226

10 27 185 359 641 1015 1549 2043 2924 3691

12 38 231 538 1016 1435 2062 3043 4489 5562

14 41 256 648 1128 1837 2892 5076 7585 9007

16 43 339 856 1495 2433 3832 6724 10052 11937

18 50 433 1095 1912 3114 4904 8603 12340 14713

20 62 540 1363 2383 3879 6106 10714 16079 19085

24 221 879 2040 3627 5950 9436 15585 23236 28337

Cv Chart

Notes:

1. Rated Cv = the volume of water in GPM/min that will pass through a given valve opening at a pressure drop of 1 Psi.

2. Calculation and simulation of Rated Cv per ISA S75.02. 3. Mentioned Pressure Drop refers to the New Pressure Drop when flow going through the valve.

EVERMARK VALVE AND AUTOMATION

376&377 SERIES BUTTERFLY VALVE

Valve Torque (in-lb)

Notes: 1. Above torques including 20% safety factor. 2. At least 30% safety factor to be considered for gear operation. 3. At least 50% safety factor to be considered for pneumatic and electric actuators.

Valve Weight(lbs) 376 Wafer Series 2”-24”

Size 2” 2.5” 3” 4” 5” 6” 8” 10” 12” 14” 16” 18” 20” 24”

Torque 6 7 7.4 12 16 19 33 49 76 101 161 222 266 411

377 Lug Series 2”-24”

Size 2” 2.5” 3” 4” 5” 6” 8” 10” 12” 14” 16” 18” 20” 24”

Torque 6.6 7.2 9 16 22 26 40 67 103 172 194 279 345 541

Above weights are for reference only. Actual weight with discrepancy may caused by the casting or other factors. Discrepancy is within 5%.

376 Wafer Series 2”-24”

Size 2” 2.5” 3” 4” 5” 6” 8” 10” 12” 14” 16” 18” 20” 24”

Torque 213 319 426 638 851 1383 2215 3722 5644 7443 9676 11908 14885 25925

Parts Material ASTM No. UNS No.

Body Cast Iron Ductile Iron

A126 Class B A536 Gr. 65-45-12

F33100

Disc Aluminum Bronze Nylon Coated Ductile Iron 316 Stainless Steel 304 Stainless Steel

B148 A536 Gr. 65-45-12 A351 CF8M A351 CF8

C95400/C95800 F33100 J92900 J92600

Shaft 304 Stainless Steel 316 Stainless Steel 416 Stainless Steel 431 304 Stainless Steel

A276 A276 A582 A276

S30400 S31600 S41600 S43100

Valve material options

Please contact our sales representatives for more valve materials.

EVERMARK VALVE AND AUTOMATION

376&377 SERIES BUTTERFLY VALVE