Control Valve Sizing Handbook Supplement

8/95

Table of Contents

1. 10000 Series V-port Trim .......................................................... 32. 10000 Series Contoured Trim ................................................... 43. 21000 Series Contoured Trim Linear ........................................ 54. 21000 Series Contoured Trim Equal Percentage...................... 65. 21000 Series LO-DB Anti-cavitation Trim ................................. 66. 25000 Series Contoured Trim Linear ........................................ 77. 25000 Series Contoured Trim Equal Percentage...................... 88. 2600 Series Standard Trim Equal Percentage........................ 99. 2600 Series Standard Trim Linear .......................................... 9

10. 28000 Series Standard 1" Varipak ............................................ 1011. 28000 Series Varilog Anti-cavitation 1" ..................................... 1012. 30000 Series Standard Trim...................................................... 1113. 30000 Series LO-DB Trim ......................................................... 1214. 35002 Series Linear .................................................................. 1315. 35002 Series Plug Rotation....................................................... 1416. 36000 Series Valve Function of Capacity ................................. 1417. 37002 Series ............................................................................ 1518. 39002 Series ............................................................................ 1619. 41000 Series Single Stage Linear and Equal Percentage ........ 17-1820. 41000 Series Multi-Stage Linear ............................................... 1821. 41000 Series LO-DB Anti-cavitation Single Stage Linear ......... 1922. 41000 Series LO-DB Double Stage .......................................... 2023. 41000 Series VRT Type S Linear and Modified Percentage..... 2024. 77000 Series ............................................................................ 2125. 78200 Series ............................................................................ 2126. 89000 Series Combining Service .............................................. 2227. 89000 Series Diverting Service ................................................. 23

Foreword

The Masoneilan Control Valve Sizing Handbook presents equations for sizing control valves based on recognized standards.

The factors that are related to specific valves are presented in this supplement to the valve sizing handbook. These factorsare:

Cv valve flow coefficientFL liquid pressure recovery factorxT pressure drop ratio factorKc coefficient of incipient cavitation

8/95

Cv, FL, xT and Kc versus Travel

10 20 30 40 50 60 70 80 90 100

0.96 0.96 0.96 0.96 0.95 0.94 0.94 0.93 0.91 0.90

0.77 0.77 0.77 0.77 0.76 0.74 0.74 0.73 0.70 0.68

0.72 0.72 0.72 0.72 0.71 0.69 0.69 0.68 0.65 0.63

OrificeValve Diameter (in.)Size Upper Travel(in.) Lower (in.)

Rated Cv

.8 .6 1.1 1.5 2.0 2.8 4.2 5.5 8.5 12.3 19

.8 1.4 2.8 3.8 5.3 7.2 10.5 13.9 21.6 31.2 48

1.5 1.3 2.6 3.5 4.8 6.6 9.7 12.8 19.8 28.6 44

1.5 3.3 6.6 8.8 12.1 16.5 24.2 31.9 49.5 71.5 110

1.5 2.3 4.7 6.2 8.6 11.7 17.2 22.6 35.1 50.7 78

1.5 5.8 11.7 15.6 21.4 29.2 42.9 56.5 87.7 126 195

2 5 11 14 20 27 40 52 81 117 180

2 14 27 36 50 68 99 130 202 292 450

2.5 9 18 24 33 45 66 87 135 195 300

2.5 23 45 60 83 112 165 217 337 487 750

2.5 14 28 37 51 69 101 133 207 299 460

2.5 35 70 93 127 174 255 336 522 754 1160

3.5 20 39 52 72 98 143 189 293 423 650

3.5 49 97 130 178 243 356 469 729 1053 1620

4 60 120 160 220 300 440 580 900 1300 2000

4 77 153 207 281 384 563 742 1152 1664 2560

2

3

4

6

8

10

12

14

16

Percent of Plug Travel

FL

xT

Kc

10000 Series

V-port TrimANSI Class: 150 through 1500Sizes: 2" through 16"Flow Direction: Flow passing into the seats Flow Characteristics: EQUAL PERCENTAGE

1.4381.355

2.0001.906

1.8761.782

2.6252.531

2.3762.282

3.5003.406

3.5003.406

5.2505.156

4.6264.531

7.0006.875

5.2505.156

8.7508.625

6.3756.250

10.50010.375

12.25112.126

14.00013.860

8/95

10 20 30 40 50 60 70 80 90 100

0.63 0.64 0.65 0.70 0.77 0.85 0.90 0.90 0.89 0.88

0.33 0.34 0.36 0.41 0.50 0.61 0.68 0.68 0.67 0.65

0.31 0.32 0.33 0.38 0.46 0.56 0.63 0.63 0.62 0.61

OrificeValve Diameter (in.)Size Upper Travel(in.) Lower (in.)

Rated Cv

.8 1.9 3.8 5.7 7.6 9.5 11.4 13.3 15.2 17.1 19

.8 4.8 9.6 14.4 19.2 24 28.8 33.6 38.4 43.2 48

1.5 4.4 8.8 13.2 17.6 22 26.4 30.8 35.2 39.6 44

1.5 11 22 33 44 55 66 77 88 99 110

1.5 7.8 15.6 23.4 31.2 39 46.8 54.6 62.4 70.2 78

1.5 19.5 39 58.5 78 97.5 117 136 156 175 195

2 18 36 54 72 90 108 126 144 162 180

2 45 90 135 180 225 270 315 360 405 450

2.5 30 60 90 120 150 180 210 240 270 300

2.5 75 150 225 300 375 450 525 600 675 750

2.5 46 92 138 184 230 276 322 368 414 460

2.5 116 232 348 464 580 696 812 928 1044 1160

3.5 65 130 195 260 325 390 455 520 585 650

3.5 162 324 486 648 810 972 1134 1296 1458 1620

2

3

4

6

8

10

12

10000 Series

Contoured TrimANSI Class: 150 through 1500Sizes: 2" through 12"Flow Direction: Flow passing into the seats



FL

xT

Kc

1.4381.355

2.0001.906

1.8761.782

2.6252.531

2.3762.282

3.5003.406

3.5003.406

5.2505.156

4.6264.531

7.0006.875

5.2505.156

8.7508.625

6.3756.250

10.50010.375

Flow Characteristics: LINEAR

8/95

0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.10 0.110.03 0.06 0.08 0.11 0.13 0.17 0.20 0.23 0.27 0.300.05 0.11 0.16 0.21 0.27 0.34 0.40 0.46 0.53 0.60

3/4 & 1 0.15 0.31 0.44 0.59 0.76 0.95 1.12 1.31 1.50 1.7.375 0.8 0.34 0.68 0.99 1.33 1.71 2.13 2.51 2.93 3.34 3.8.500 0.8 0.54 1.08 1.56 2.10 2.70 3.36 3.96 4.62 5.28 6.812 0.8 1.08 2.16 3.12 4.20 5.40 6.72 7.92 9.24 10.56 12

1.250 0.8 1.44 2.88 4.16 5.60 7.20 8.96 10.56 12.32 14.08 160.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.10 0.110.03 0.06 0.08 0.11 0.13 0.17 0.20 0.23 0.27 0.300.05 0.11 0.16 0.21 0.27 0.34 0.40 0.46 0.53 0.60

11/2 0.15 0.31 0.44 0.59 0.76 0.95 1.12 1.31 1.50 1.7.375 0.8 0.34 0.68 0.99 1.33 1.71 2.13 2.51 2.93 3.34 3.8.500 0.8 0.54 1.08 1.56 2.10 2.70 3.36 3.96 4.62 5.28 6.812 0.8 1.17 2.34 3.38 4.55 5.85 7.28 8.58 10.01 11.44 13

1.250 0.8 2.25 4.50 6.50 8.75 11.25 14.00 16.50 19.25 22.00 251.625 0.8 3.15 6.30 9.10 12.25 15.75 19.60 23.10 26.95 30.80 35

0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.10 0.110.03 0.06 0.08 0.11 0.13 0.17 0.20 0.23 0.27 0.300.05 0.11 0.16 0.21 0.27 0.34 0.40 0.46 0.53 0.600.15 0.31 0.44 0.59 0.76 0.95 1.12 1.31 1.50 1.7

.375 0.8 0.34 0.68 0.99 1.33 1.71 2.13 2.51 2.93 3.34 3.82 .500 0.8 0.54 1.08 1.56 2.10 2.70 3.36 3.96 4.62 5.28 6

.812 0.8 1.35 2.70 3.90 5.25 6.75 8.40 9.90 11.55 13.20 151.250 0.8 2.34 4.68 6.76 9.10 11.70 14.56 17.16 20.02 22.88 261.625 0.8 4.14 8.28 11.96 16.10 20.70 25.76 30.36 35.42 40.48 461.250 1.5 2.79 5.58 8.06 10.85 13.95 17.36 20.46 23.87 27.28 31

3 1.625 1.5 4.23 8.46 12.22 16.45 21.15 26.32 30.76 38.89 41.02 472.625 1.5 9.90 19.80 28.60 38.50 49.50 61.60 72.00 84.00 96.00 1101.625 1.5 4.41 8.82 12.74 17.15 22.05 27.44 32.07 37.42 42.76 49

4 2.625 1.5 10.17 20.34 29.38 39.55 50.42 63.16 74.17 86.92 99.09 1133.500 1.5 17.55 35.10 50.70 68.25 87.00 109.00 128.00 150.00 171.00 195

10 20 30 40 50 60 70 80 90 1000.93 0.93 0.92 0.92 0.91 0.91 0.91 0.90 0.90 0.900.73 0.73 0.71 0.71 0.70 0.70 0.70 0.68 0.68 0.680.68 0.68 0.66 0.66 0.65 0.65 0.65 0.63 0.63 0.63

Travel(inches) Rated Cv

.250

.250

.250

0.8

0.8

0.8

ValveSize

(inches)

OrificeDiameter(inches)

Contoured TrimANSI Class: 150 through 600Sizes: 3/4" through 4" Flow Characteristic: LINEAR

21000 Series


Kc

xT

FL


8/95

10 20 30 40 50 60 70 80 90 1000.93 0.93 0.93 0.93 0.93 0.92 0.92 0.91 0.91 0.900.73 0.73 0.73 0.73 0.73 0.71 0.71 0.70 0.70 0.680.68 0.68 0.68 0.68 0.68 0.66 0.66 0.65 0.65 0.63

21000 SeriesContoured TrimANSI Class: 150 through 600Sizes: 3/4" through 4" Flow Characteristic: EQUAL PERCENTAGE

.375 0.8 0.09 0.15 0.28 0.45 0.61 0.87 1.18 1.71 2.55 3.83/4 & 1 .500 0.8 0.15 0.24 0.45 0.72 0.96 1.38 1.86 2.70 4.02 6

.812 0.8 0.30 0.48 0.90 1.44 1.92 2.76 3.72 5.40 8.04 12

.375 0.8 0.09 0.15 0.28 0.45 0.61 0.87 1.18 1.71 2.55 3.811/2 .500 0.8 0.15 0.24 0.45 0.72 0.96 1.38 1.86 2.70 4.02 6

.812 0.8 0.32 0.52 0.97 1.56 2.08 2.99 4.03 5.85 8.71 131.250 0.8 0.62 1.00 1.87 3.00 4.00 5.75 7.75 11.25 16.75 25.375 0.8 0.09 0.15 0.28 0.45 0.61 0.87 1.18 1.71 2.55 3.8.500 0.8 0.15 0.24 0.45 0.72 0.96 1.38 1.86 2.70 4.02 6

2 .812 0.8 0.37 0.60 1.12 1.80 2.40 3.45 4.65 6.75 10.05 151.250 0.8 0.65 1.04 1.95 3.12 4.16 5.98 8.06 11.70 17.42 261.625 0.8 1.15 1.84 3.45 5.52 7.36 10.58 14.26 20.70 30.82 461.250 1.5 0.77 1.24 2.32 3.72 4.96 7.13 9.61 13.95 20.77 31

3 1.625 1.5 1.17 1.88 3.52 5.64 7.52 10.81 14.57 21.15 31.49 472.625 1.5 2.75 4.40 8.25 13.20 17.60 25.30 34.10 49.50 73.70 1101.625 1.5 1.22 1.96 3.67 5.88 7.84 11.27 15.19 22.05 32.83 49

4 2.625 1.5 2.82 4.52 8.26 13.56 18.08 25.99 35.03 50.42 75.33 1133.500 1.5 4.87 7.80 14.62 23.40 31.20 44.85 60.45 87.00 130.00 195

Travel(inches)

Rated Cv

ValveSize

(inches)


10 20 30 40 50 60 70 80 90 1000.93 0.93 0.93 0.93 0.93 0.93 0.93 0.93 0.93 0.930.73 0.73 0.73 0.73 0.73 0.73 0.73 0.73 0.73 0.730.81 0.81 0.81 0.81 0.81 0.81 0.81 0.81 0.81 0.81

0.20 0.42 0.63 0.86 1.09 1.39 1.67 1.90 2.21 2.60.39 0.83 1.25 1.72 2.18 2.77 3.33 3.80 4.42 5.20.60 1.28 1.92 2.64 3.36 4.24 5.12 5.84 6.81 80.20 0.42 0.63 0.86 1.09 1.39 1.67 1.90 2.21 2.60.39 0.83 1.25 1.72 2.18 2.77 3.33 3.80 4.42 5.20.60 1.28 1.92 2.64 3.36 4.24 5.12 5.84 6.81 81.13 2.40 3.60 4.95 6.30 7.95 9.60 10.95 12.75 150.20 0.42 0.63 0.86 1.09 1.39 1.67 1.90 2.21 2.60.39 0.83 1.25 1.72 2.18 2.77 3.33 3.80 4.42 5.20.60 1.28 1.92 2.64 3.36 4.24 5.12 5.84 6.81 81.13 2.40 3.60 4.95 6.30 7.95 9.60 10.95 12.75 152.25 4.80 7.20 9.90 12.60 15.90 19.20 21.90 25.50 302.90 6.10 9.10 12.50 15.95 20.17 24.30 27.77 32.33 385.63 12.00 18.00 24.70 31.50 39.80 48.00 54.80 63.80 754.70 10.10 15.10 20.80 26.46 33.39 40.32 45.99 53.55 637.50 16.00 24.00 33.00 42.00 53.00 64.00 73.00 85.00 100

ValveSize

(inches)

Travel(inches)

1.52.625

1.53.5004

3

1.250 0.8

1.250 0.811/2

2

0.8

0.81.250

2.000

3/4 & 1


Rated Cv

Percent of TravelFlow Characteristic: LINEAR

LO-DB®/Anti-cavitation TrimANSI Class: 150 through 600Sizes: 3/4" through 4"



FL

xT

Kc

xT

FL

Kc

8/95


.500 0.8 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0

.500 0.8 0.2 0.3 0.5 0.6 0.8 1.0 1.1 1.3 1.4 1.61 .500 0.8 0.3 0.5 0.8 1.0 1.3 1.5 1.8 2.0 2.3 2.5

1.250 0.8 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 41.250 0.8 0.8 1.6 2.4 3.2 4.0 4.8 5.6 6.4 7.2 81.250 0.8 1.5 3.0 4.5 6.0 7.5 9.0 10.5 12.0 13.5 151.250 0.8 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4

11/2 1.250 0.8 0.8 1.6 2.4 3.2 4.0 4.8 5.6 6.4 7.2 81.250 0.8 1.5 3.0 4.5 6.0 7.5 9.0 10.5 12.0 13.5 151.750 0.8 3.8 7.6 11.4 15.2 19.0 22.8 26.6 30.4 34.2 381.250 0.8 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 41.250 0.8 0.8 1.6 2.4 3.2 4.0 4.8 5.6 6.4 7.2 8

2 1.250 0.8 1.5 3.0 4.5 6.0 7.5 9.0 10.5 12.0 13.5 151.750 0.8 3.8 7.6 11.4 15.2 19.0 22.8 26.6 30.4 34.2 381.875 0.8 5.5 11.0 16.5 22.0 27.5 33.0 38.5 44.0 49.5 551.875 0.8 5.5 11.0 16.5 22.0 27.5 33.0 38.5 44.0 49.5 55

3 3.500 0.8 12.0 24.0 36.0 48.0 60.0 72.0 84.0 96.0 108.0 1201.875 0.8 5.5 11.0 16.5 22.0 27.5 33.0 38.5 44.0 49.5 55

4 3.500 0.8 12.0 24.0 36.0 48.0 60.0 72.0 84.0 96.0 108.0 1203.750 0.8 19.5 39.0 58.5 78.0 97.5 117.0 136.5 156.0 175.5 195

Travel(inches)

Rated Cv

ValveSize

(inches)



xT

FL

Kc

10 20 30 40 50 60 70 80 90 1000.94 0.94 0.93 0.93 0.92 0.92 0.91 0.91 0.90 0.900.74 0.74 0.73 0.73 0.71 0.71 0.70 0.70 0.68 0.680.69 0.69 0.68 0.68 0.66 0.66 0.65 0.65 0.63 0.63

Note: Cv values are averaged and can vary in accordance with ISA Standard S75.11.

Flow Characteristic: LINEAR

Contoured TrimSizes 1" through 4"Flow Direction: Flow to Open

25000 Series

8/95


.500 0.8 0.03 0.04 0.08 0.12 0.16 0.23 0.31 0.45 0.67 1.0

.500 0.8 0.04 0.07 0.12 0.19 0.26 0.37 0.50 0.72 1.07 1.61 .500 0.8 0.07 0.10 0.19 0.30 0.40 0.58 0.78 1.13 1.68 2.5

1.250 0.8 0.10 0.16 0.30 0.48 0.64 0.92 1.24 1.80 2.68 41.250 0.8 0.20 0.32 0.60 0.96 1.28 1.84 2.48 3.60 5.36 81.250 0.8 0.38 0.60 1.13 1.80 2.40 3.45 4.65 6.75 10.05 151.250 0.8 0.10 0.16 0.30 0.48 0.64 0.92 1.24 1.80 2.68 4

11/2 1.250 0.8 0.20 0.32 0.60 0.96 1.28 1.84 2.48 3.60 5.36 81.250 0.8 0.38 0.60 1.13 1.80 2.40 3.45 4.65 6.75 10.05 151.750 0.8 0.95 1.52 2.85 4.56 6.08 8.74 11.78 17.10 25.46 381.250 0.8 0.10 0.16 0.30 0.48 0.64 0.92 1.24 1.80 2.68 41.250 0.8 0.20 0.32 0.60 0.96 1.28 1.84 2.48 3.60 5.36 8

2 1.250 0.8 0.38 0.60 1.13 1.80 2.40 3.45 4.65 6.75 10.05 151.750 0.8 0.95 1.52 2.85 4.56 6.08 8.74 11.78 17.10 25.46 381.875 0.8 1.38 2.20 4.13 6.60 8.80 12.65 17.05 24.75 36.85 551.875 0.8 1.38 2.20 4.13 6.60 8.80 12.65 17.05 24.75 36.85 55

3 3.500 0.8 3.00 4.80 9.00 14.40 19.20 27.60 37.20 54.00 80.40 1201.875 0.8 1.38 2.20 4.13 6.60 8.80 12.65 17.05 24.75 36.85 55

4 3.500 0.8 3.00 4.80 9.00 14.40 19.20 27.60 37.20 54.00 80.40 1203.750 0.8 4.88 7.80 14.63 23.40 31.20 44.85 60.45 87.75 130.65 195

Travel(inches)

Rated Cv

ValveSize

(inches)



xT

FL

Kc

10 20 30 40 50 60 70 80 90 1000.94 0.94 0.94 0.94 0.94 0.93 0.92 0.91 0.91 0.900.74 0.74 0.74 0.74 0.74 0.73 0.71 0.70 0.70 0.680.69 0.69 0.69 0.69 0.69 0.68 0.66 0.65 0.65 0.63

Flow Characteristic: EQUAL PERCENTAGE

Note: Cv values are averaged and can vary in accordance with ISA Standard S75.11.

Contoured TrimSizes 1" through 4"Flow Direction: Flow to Open

25000 Series

8/95

2600 Series

Flow Characteristic: EQUAL PERCENTAGE

Standard TrimANSI Class: 150 through 600Sizes: 1/2" through 10"Flow Direction: Flow to Open/Air to Close


1/2 .500 .75 .10 .16 .30 .48 .64 .92 1.24 1.80 2.70 43/4 .625 .75 .15 .24 .45 .72 .96 1.38 1.86 2.70 4.02 61 .812 .75 .30 .48 .90 1.44 1.92 2.76 3.72 5.40 8.04 12

11/2 1.250 1.50 .62 1.00 1.87 3.00 4.00 5.75 7.75 11.20 16.70 252 1.625 1.50 1.15 1.84 3.45 5.52 7.36 10.50 14.20 20.70 30.80 463 2.625 2.50 2.75 4.40 8.25 13.20 17.60 25.30 34.10 49.50 73.70 1104 3.500 2.50 4.87 7.80 14.60 23.40 31.20 44.80 60.40 87.70 130.00 195

300 ANSI 4.625 2.50 10.00 16.00 30.00 48.00 64.00 92.00 124.00 180.00 268.00 400 300 ANSI 4.250 2.50 6.87 11.00 20.60 33.00 44.00 63.20 85.20 123.00 184.00 275 600 ANSI 4.500 3.00 10.00 16.00 30.00 48.00 64.00 92.00 124.00 180.00 268.00 400

8 6.250 5.00 16.00 25.60 48.00 76.80 102.00 147.00 198.00 288.00 428.00 64010 8.000 5.00 25.00 40.00 75.00 120.00 160.00 230.00 310.00 450.00 670.00 1000

10 20 30 40 50 60 70 80 90 1000.90 0.90 0.89 0.89 0.89 0.87 0.86 0.83 0.78 0.750.68 0.68 0.67 0.67 0.67 0.64 0.62 0.58 0.51 0.470.63 0.63 0.62 0.62 0.62 0.59 0.58 0.54 0.48 0.44

Travel(inches)

ValveSize

(inches)


Percent of Travel

Rated Cv

FLxT

- Flow to Open

- Flow to Open- Flow to OpenKc

6

1/2 .500 .75 .36 .72 1.04 1.40 1.80 2.24 2.64 3.08 3.52 43/4 .625 .75 .54 1.08 1.56 2.10 2.70 3.36 3.96 4.62 5.28 61 .812 .75 1.08 2.16 3.12 4.20 5.40 6.72 7.92 9.24 10.56 12

11/2 1.250 1.50 2.25 4.50 6.50 8.75 11.20 14.00 16.50 19.20 22.00 252 1.625 1.50 4.14 8.28 11.90 16.10 20.70 25.70 30.30 35.40 40.40 463 2.625 2.50 9.90 19.80 28.60 38.50 49.50 61.60 72.60 84.70 96.80 1104 3.500 2.50 17.50 35.10 50.70 68.20 87.70 109.00 128.00 150.10 171.00 195

300 ANSI 4.625 2.50 36.00 72.00 104.00 140.00 180.00 224.00 264.00 308.00 352.00 400 300 ANSI 4.250 2.50 24.70 49.50 71.50 96.20 123.00 154.00 181.00 211.00 242.00 275 600 ANSI 4.500 3.00 36.00 72.00 104.00 140.00 180.00 224.00 264.00 308.00 352.00 400

8 6.250 5.00 57.60 115.00 166.00 224.00 288.00 358.00 422.00 492.00 563.00 64010 8.000 5.00 90.00 180.00 260.00 350.00 450.00 560.00 660.00 770.00 880.00 1000

10 20 30 40 50 60 70 80 90 1000.90 0.88 0.87 0.84 0.82 0.79 0.78 0.77 0.76 0.750.68 0.65 0.64 0.59 0.56 0.52 0.51 0.50 0.49 0.470.63 0.61 0.59 0.55 0.53 0.49 0.48 0.46 0.45 0.44

Travel(inches)

Rated Cv

ValveSize

(inches)


Percent of Travel

xT

FL

- Flow to Open

- Flow to Open

- Flow to Open

Kc

6

Standard TrimANSI Class: 150 through 600Sizes: 1/2" through 10"Flow Direction: Flow to Open/Air to Close Flow Characteristic: LINEAR

8/95

6 0.02 0.025 0.03 0.035 0.04 0.045 0.05 0.98 0.81 0.96

5 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.98 0.81 0.96

4 0.10 0.13 0.16 0.19 0.21 0.23 0.25 0.98 0.81 0.96

3 0.25 0.30 0.35 0.40 0.98 0.81 0.960.45 0.50 0.55 0.60

9 0.0016 0.002 0.0024 0.0028 0.0032 0.0036 0.004 0.85 0.61 0.56

8 0.004 0.005 0.006 0.007 0.008 0.009 0.010 0.85 0.61 0.56

7 0.010 0.013 0.016 0.019 0.021 0.023 0.025 0.85 0.61 0.56

6 0.020 0.025 0.030 0.035 0.040 0.045 0.050 0.85 0.61 0.56

5 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.85 0.61 0.56

4 0.10 0.13 0.16 0.19 0.21 0.23 0.25 0.90 0.68 0.63

3 0.25 0.30 0.35 0.40 0.90 0.68 0.63

2 0.5 0.6 0.7 0.8 0.92 0.71 0.66

1 0.9 1.1 1.3 1.5 0.92 0.71 0.66

0 1.5 1.9 2.3 2.6 0.92 0.71 0.66

0.45 0.50 0.55 0.60

0.9 1.0 1.1 1.2

1.7 1.9 2.1 2.3

2.9 3.2 3.5 3.8

Flow Coefficient Cv

Standard 1" VariPak

Varilog Anti-cavitation 1" (ANSI Class 1500)

Intermediate Cv

Flow Coefficient Cv

Max.Min.

Trim

No. FL xT Kc

Max.Min.

Trim

No. Intermediate CvFL KcxT


28000 Series

8/95

30000 Series - Standard Trim

Flow to Open 67 62 54 45 35 28 20Flow to Close 58 53 49 43 35 29 21Flow to Open 150 140 125 110 92 75 58Flow to Close 140 130 115 105 92 79 60Flow to Open 275 245 215 185 155 125 91Flow to Close 250 225 205 185 160 140 105Flow to Open 595 545 500 435 365 290 215Flow to Close 550 510 460 405 355 315 240Flow to Open 1100 1010 920 805 675 540 395Flow to Close 950 890 800 705 620 545 420Flow to Open 1800 1670 1430 1155 910 730 535Flow to Close 1600 1450 1295 1110 935 785 610Flow to Open 2600 2235 1875 1540 1260 1005 750Flow to Close 2400 2140 1810 1520 1260 1035 805Flow to Open 4830 4150 3485 2860 2340 1865 1395Flow to Close 4460 3975 3365 2825 2340 1925 1495

2 3 x 2 x 3

3 4 x 3 x 4

4 6 x 4 x 6

6 8 x 6 x 8

8 10 x 8 x 10

10 12 x 10 x 12

12 16 x 12 x 16

16 -

Actuator Adjustment

A B C D E F G①FlashingService

Trim

FullAreaTrim

FlowDirection

Valve Size(in.)

① When no specific adjustment is indicated on the specification sheet, the Varimax will be delivered:Set at mid band setting or "D" adjustment and Flow to Close

FlowDirection

FL 0.77 0.80 0.80 0.81 0.83 0.86 0.89Flow to Open xT 0.50 0.54 0.54 0.55 0.58 0.62 0.67

Kc 0.46 0.50 0.50 0.51 0.54 0.58 0.62FL 0.79 0.81 0.81 0.81 0.82 0.84 0.85

Flow to Close xT 0.52 0.55 0.55 0.55 0.57 0.59 0.61Kc 0.49 0.51 0.51 0.51 0.53 0.55 0.56

Actuator AdjustmentFactor

A B C D E F G

Valve FL, xT, Kc (Standard Trim - Open Position)

10 20 30 40 50 60 70 80 90 100

Flow to Open 3.0 11.0 20.0 30.0 40.5 52.0 63.0 75.0 87.0 100.0Flow to Close 2.5 8.0 15.5 24.0 34.0 45.0 57.0 70.5 84.5 100.0

FlowDirection

Percent Normal Rotation

Percent Rated Cv Versus Percentage Plug Rotation

Rated Flow Coefficient Cv


8/95


30000 Series - LO-DB Trim

ValveSize(in.)

Actuator Adjustment

A B C D E F G

Stand.Cap.

HighCap.

Stand.Cap.

HighCap.

Stand.Cap.

HighCap.

Stand.Cap.

HighCap.

Stand.Cap.

HighCap.

Stand.Cap.

HighCap.

Stand.Cap.

HighCap.

3 55 - 50 - 44 - 39 - 33 - 28 - 22 -

4 90 - 80 - 72 - 63 - 54 - 45 - 36 -

6 210 260 190 220 170 185 145 125 105 85

8 360 435 325 370 290 310 250 215 180 145

10 620 745 560 645 495 535 435 370 310 250

12 1000 1200 900 1035 800 865 700 600 500 400

16 1750 2100 1575 1810 1400 1510 1225 1050 875 700

Rated Flow Coefficient Cv

ActuatorAdjustment

LO-DBTrimType

FlowDirection

10 20 30 40 50 60 70 80 90 100

Percent Nominal Opening

A

B

C

D

E

F

G

8.3 16.7 25.0 33.3 41.7 50.0 58.3 72.2 86.1 100.0

8.7 17.4 26.1 34.8 43.5 52.3 61.0 71.0 85.5 100.0

9.2 18.5 27.7 36.9 46.2 55.4 64.6 73.8 84.6 100.0

10.0 20.0 30.0 40. 0 50.0 60.0 70.0 80.0 90.0 100.0

FL 0.85 0.83 0.82 0.81 0.81 0.81 0.81xT 0.61 0.58 0.57 0.55 0.55 0.55 0.55FL 0.80 0.80 0.80 0.81 0.81 0.81 0.81xT 0.54 0.54 0.54 0.55 0.55 0.55 0.55

Actuator AdjustmentFactor

A B C D E F GLO-DB Plug

Standard Capacity

High Capacity

Percent Rated Cv Versus Percentage Plug Rotation

Valve FL, xT (LO-DB Trim - Nominal Travel)

8/95

Percent of Plug Rotation 10 20 30 40 50 60 70 80 90 100Flow to Open 0.96 0.93 0.91 0.89 0.88 0.87 0.87 0.86 0.86 0.85Flow to Close 0.94 0.91 0.88 0.83 0.80 0.77 0.74 0.72 0.70 0.68Flow to Open 0.77 0.73 0.70 0.67 0.65 0.64 0.64 0.62 0.62 0.61Flow to Close 0.74 0.70 0.65 0.58 0.54 0.50 0.46 0.44 0.41 0.39Flow to Open 0.72 0.68 0.65 0.62 0.61 0.59 0.59 0.58 0.58 0.56Flow to Close 0.69 0.65 0.61 0.54 0.50 0.46 0.43 0.41 0.38 0.36

* Cv values shown are for flow to open** ANSI Class: 150-300 Size: 14" and 16"Caution: Cv values shown are based on ideal flow characteristics. Values are averaged and may vary.

Valve Orifice ActuatorSize Diameter Stem Rated Cv *(in.) (in.) Travel (in.)

.321 3.50 0.2 0.4 0.7 1.2 1.5 1.9 2.2 2.4 2.6 2.8

.500 3.50 0.4 0.9 1.4 2.0 2.7 3.5 4.2 4.8 5.3 5.6

.579 3.50 0.6 1.3 2.1 3.2 4.3 5.4 6.4 7.2 7.9 8.4

.718 3.50 0.8 2.1 3.6 5.8 7.7 9.5 11.0 12.0 13.0 14

.503 3.50 0.4 0.9 1.6 2.4 3.4 4.0 4.8 5.2 5.8 6

.750 3.50 1.0 1.9 3.0 4.3 5.9 7.6 9.0 10.0 11.0 12

.907 3.50 1.3 2.9 4.5 6.8 9.2 11.6 13.7 15.5 17.0 181.125 3.50 1.8 4.5 7.8 12.0 17.0 20.0 24.0 26.0 29.0 30.643 3.50 0.6 1.5 2.6 4.2 5.6 6.8 8.0 8.8 9.6 10

1.000 3.50 1.6 3.2 5.0 7.2 9.8 13 15 17 19 201.159 3.50 2.1 4.8 7.8 11.2 15.3 19 23 26 28 301.437 3.50 3.0 7.5 13.0 21 28 34 40 44 48 501.500 5.75 4.9 9.2 14.0 20 26 33 40 45 50 541.874 5.75 5.7 12.2 19.4 28 37 48 59 68 75 812.324 5.75 8.1 18 31 45 61 78 96 113 126 1352.000 5.75 8.3 16 24 34 45 57 68 77 86 922.419 5.75 9.7 21 33 47 63.5 81 99 115 130 1383.000 5.75 14 30 53 76 104 133 163 192 214 2303.000 7.25 18 34 52 74 98 124 147 168 186 2003.629 7.25 21 45 72 102 138 177 216 252 282 3004.500 7.25 30 65 115 165 225 290 355 418 465 5003.797 7.25 24 44 71 107 148 197 241 279 316 3404.840 7.25 32 61 112 179 247 311 372 423 472 5106.000 7.25 43 111 200 319 434 544 638 723 795 8504.746 7.25 36 68 109 164 226 302 369 426 481 5206.050 7.25 52 94 172 273 378 476 569 647 722 7807.500 7.25 72 169 306 488 663 832 975 1110 1220 13005.780 7.25 49 91 147 221 305 406 497 574 648 7007.460 7.25 70 126 231 368 509 641 767 872 971 10509.250 7.25 100 228 411 656 893 1120 1310 1490 1640 17506.811 7.25 66 122 197 297 410 545 667 771 870 9408.799 7.25 94 169 310 494 684 861 1030 1171 1304 1410

10.748 7.25 134 306 552 881 1199 1504 1759 2001 2202 23508.534 10.00 102 190 307 461 636 847 1037 1197 1352 1460

10.437 10.00 146 263 482 768 1062 1337 1600 1819 2025 219013.500 10.00 209 476 857 1368 1863 2336 2732 3108 3421 3650

1

11/2

2

3

4

6

8

10

12

14

16

35002 Series

Flow Characteristics: LINEAR


FL

xT

Kc

-

-

-

ANSI Class: 150 through 600 **Sizes: 1" through 16"Flow Direction: Flow to Close or Flow to Open

8/95

35002 Series

Percent of Signal Span

Percent of Rotation -

Percentage Cam

Percent of Rotation -

Linear Cam

Plug Rotation versus Signal

36000 Series

2 (50) 1.1 5.3 8.9 15.8 25 36 48 63 82 105

3 (80) 2.5 12.5 21 38 60 85 115 150 195 250

4 (100) 5.1 26 43 77 122 173 235 306 398 510

6 (150) 10.3 52 88 155 247 350 474 618 803 1030

8 (200) 18.3 92 156 275 439 622 842 1098 1427 1830

10 (250) 29 145 247 435 696 986 1334 1740 2262 2900

12 (300) 43 213 361 638 1020 1445 1955 2550 3315 4250

16 (400) 63 313 531 938 1500 2125 2875 3750 4875 6250

Rated Cv

Percent (%) of Max.Opening

inches (mm)

10 20 30 40 50 60 70 80 90 100

. 1 5 8.5 15 24 34 46 60 78 100Percent (%) of Max. Cv

Valve Size

10 20 30 40 50 60 70 80 90 100

0.88 .086 0.82 0.78 0.73 0.68 0.65 0.63 0.61 0.60

0.65 0.62 0.56 0.51 0.45 0.39 0.35 0.33 0.31 0.30

0.61 0.58 0.53 0.48 0.42 0.36 0.33 0.31 0.29 0.28

Valve FL, xT, Kc as a Function of Capacity

Percent (%) of Max. Cv

FL

xT

Kc


0 10 20 30 40 50 60 70 80 90 100

0 3.8 7.6 12.0 16.8 22.5 29.4 39.0 54.0 74.5 100

0 10 20 30 40 50 60 70 80 90 100

8/95

% Max. Cv 10 20 30 40 50 60 70 80 90 100

FL 0.80 0.78 0.76 0.75 0.73 0.71 0.69 0.67 0.66 0.65

xT 0.54 0.51 0.49 0.47 0.45 0.42 0.40 0.38 0.37 0.36

Kc 0.50 0.48 0.45 0.44 0.42 0.39 0.37 0.35 0.34 0.33

ValveSize Cv①

(in.)2 903 2804 4806 13308 237010 370012 5300

37002 Series

Maximum Rated Flow Coefficients (Cv) at Maximum Opening (75˚)

Flow Coefficients (Cv) as a % of Maximum Opening (75˚)



① Cv rating per ISA Test Procedure SP 39.2

% Max. Opening 10 20 30 40 50 60 70 80 90 100

% Max. Cv 1.2 2.5 5 9 14 23 34 51 72 100

8/95

39002 Series

Cv ①

ANSI Class150

ANSI Class300

ANSI Class600

3 (80) 161 151 147

4 (100) 320 295 275

6 (150) 785 705 695

8 (200) 1465 1290 1270

10 (250) 2500 2160 1950

12 (300) 3435 2995 2765

14 (350) 4635 3855 ------

16 (400) 6280 5575 ------

18 (450) 8095 6570 ------

20 (500) 9800 7210 ------

24 (600) 14910 11430 ------

Valve Size

(in.) (mm)

Flow Coefficients (Cv) as a % of Maximum Opening (75˚)

% Max. Opening 10 20 30 40 50 60 70 80 90 100

% Max. Cv 1 5 10 16 24 35 49 65 82 100

① Cv rating per ISA Control Valve Capacity Test Procedure S75.02

Maximum Rated Flow Coefficients (Cv) at Maximum Opening (75˚)


% Max. Cv 10 20 30 40 50 60 70 80 90 100

FL 0.85 0.81 0.78 0.75 0.72 0.70 0.68 0.66 0.64 0.62

xT 0.61 0.55 0.51 0.47 0.44 0.41 0.39 0.37 0.34 0.32

Kc 0.56 0.51 0.48 0.44 0.41 0.38 0.36 0.34 0.32 0.30


8/95

Percent of Travel 10 20 30 40 50 60 70 80 90 100

0.94 0.94 0.93 0.93 0.92 0.92 0.91 0.91 0.90 0.90

0.74 0.74 0.73 0.73 0.71 0.71 0.70 0.70 0.68 0.68

0.69 0.69 0.68 0.68 0.66 0.66 0.65 0.65 0.63 0.63

Valve OrificeSize ANSI Diameter Travel(in.) Class (in.) (in.)

1.84 0.8 1.4 2.7 4.2 6 8 10 12.5 14 15.5 162 4.9 8.3 13 19 25 30 35 38 40

2 300,600 2.50 1.5 2.7 5.1 7.9 11 15 19 23 26 29 303 2500 4 8 14 22 34 46 56 65 72 753 300-1500 3.50 2.0 5.4 10 16 23 30 38 45 51 59 604 2500 8 17 28 46 70 95 115 134 148 1554 300-1500 4.38 2.0 9 16 25 36 47 60 71 81 93 956 2500 12 32 55 86 122 156 184 208 226 2406 150-1500 5.12 0.8 6 16 26 42 58 74 93 119 142 1658 2500 2.0 20 54 90 145 205 260 305 345 375 4008 150-1500 6.50 1.5 15 40 75 110 145 190 250 310 365 415

2.5 30 85 145 235 330 415 495 550 600 64010 150-1500 8.00 1.5 20 50 80 130 180 230 290 370 440 510

3.0 50 130 230 370 510 650 770 860 940 100012 150-1500 9.75 2.0 30 70 140 200 270 350 450 570 680 770

3.8 70 180 320 520 710 910 1080 1200 1320 140016 150-1500 13.00 2.5 30 130 230 298 410 548 730 900 1050 1280

5.0 130 335 580 930 1280 1630 1930 2150 2350 2500

2 900-2500

Flow Characteristic: LINEARStandard Trim (Single Stage) Models 41311①, 41411, 41511, 41611 & 4191141000 Series

Standard Trim (Single Stage) Models 41321①, 41421, 41521, 41621 & 41921Flow Characteristic: EQUAL PERCENTAGE


0.94 0.94 0.94 0.94 0.94 0.94 0.93 0.92 0.92 0.90

0.74 0.74 0.74 0.74 0.74 0.74 0.73 0.71 0.71 0.68

0.69 0.69 0.69 0.69 0.69 0.69 0.68 0.66 0.66 0.63Valve OrificeSize ANSI Diameter Travel(in.) Class (in.) (in.)

1.84 0.8 0.4 0.6 0.9 1.3 2.0 2.9 4.3 6.4 9.5 140.9 1.4 2.6 4.2 5.6 8.0 10.9 15.8 23.5 35

2 300,600 2.50 1.5 0.8 1.1 1.7 2.5 3.7 5.4 8.0 11.9 17.6 263 2500 1.5 2.5 5 8 10.5 15 20 29 44 653 300-1500 3.50 2.0 1.5 2.5 3.5 5.5 8 11.5 17.5 25.5 38 564 2500 4 6 11 17 22 32 43 63 94 1404 300-1500 4.38 2.0 3 4 6 9 13 19 28 41 61 906 2500 6 9 17 27 36 52 70 101 151 2256 150-1500 5.12 2.0 4 6 9 14 20 30 44 66 97 1448 2500 10 15 25 45 60 85 110 160 240 3608 150-1500 6.50 2.5 7 10 15 22 32 48 71 105 155 230

15 25 45 70 90 130 180 260 385 57510 150-1500 8.00 3.0 10 15 25 35 50 75 110 165 245 360

20 40 70 110 140 210 280 410 600 90012 150-1500 9.75 3.8 15 20 35 50 70 105 155 230 340 500

30 50 100 150 200 290 390 570 840 126016 150-1500 13.00 5.0 30 40 60 90 130 190 280 410 610 900

60 90 170 270 360 520 700 1010 1510 2250

2 900-2500

① Valve size 2"-4" only. See page 30 for valve size 6"-16".

FL

xT

Kc

FL

xT

Kc


Rated Cv

Rated Cv

8/95

5 10 20 30 40 50 60 70 80 90 100

.984 .983 .982 .982 .979 .977 .976 .974 .973 .971 .970

0.97 0.97 0.96 0.96 0.96 0.96 0.95 0.95 0.95 0.94 0.94Valve OrificeSize ANSI Diameter(in.) Class (in.)

1.50 0.5 1.5 0.5 1 2 3 4 5 6 7 8 9 10

1.75 0.5 2.0 1.2 2.5 5 7.5 10 12.5 15 17 20 22.5 25

900,1500 1.50 0.6 1.5 0.5 1 2 3 4 5 6 7 8 9 10

3 300-1500 2.40 1.0 2.5 2.5 5 10 15 20 25 30 35 40 45 50

4 300-1500 3.40 1.4 2.5 3.5 7 14 21 28 35 42 49 56 63 70

6 150-1500 4.30 2.4 3.5 6 12 24 36 48 60 72 84 96 108 120

2 300, 600

① Throttling at less than minimum operable CV levels for extended period of time can result in trim damage.

Travel(in.)

Percent of Travel

Flow Direction: Flow to Open

VRT® Type C Multi-stage Anti-cavitation Models 41318 & 41618



0.94 0.94 0.94 0.94 0.94 0.94 0.93 0.92 0.92 0.90

0.74 0.74 0.74 0.74 0.74 0.74 0.73 0.71 0.71 0.68


6 150-2500 4.12 3.0 8 11 19 27 37 56 82 122 180 265

8 150-2500 5.50 4.0 14 18 32 46 64 96 141 209 309 455

10 150-1500 6.60 4.0 23 31 54 76 107 161 237 352 520 765

12 150-1500 9.30 5.0 31 41 71 102 143 214 316 469 694 1020

16 150-1500 11.50 6.0 51 68 120 170 238 357 527 782 1155 1700

41300 Series (Single Stage) Model 41321 Flow Characteristic: EQUAL PERCENTAGE


0.94 0.94 0.93 0.93 0.92 0.92 0.91 0.91 0.90 0.90

0.74 0.74 0.73 0.73 0.71 0.71 0.70 0.70 0.68 0.68


6 150-2500 4.12 3.00 15 39 69 111 153 195 231 258 282 300

8 150-2500 5.50 4.00 27 70 124 200 275 351 416 464 508 540

10 150-1500 6.60 4.00 45 117 207 333 459 585 693 728 846 900

12 150-1500 9.30 5.00 68 175 310 500 688 878 1040 116 127 1350

16 150-1500 11.50 6.00 100 260 460 740 1020 1300 1540 1720 1880 2000

41300 Series (Single Stage) Model 41311

41000 Series



FL

xT

Kc

FL

xT

Kc

Rated Cv

Rated Cv

Rated Cv

Min①Operable

Cv

FL

Kc

8/95


2 300,600

3 2500

3 300-1500

4 2500

4 300-1500

6 2500

6 150-1500

8 2500

8 150-1500 6.50 3.0

10 150-1500 8.00 3.5

12 150-1500 9.75 5.0

16 150-1500 13.00 6.0


0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94

0.74 0.74 0.74 0.74 0.74 0.74 0.74 0.74 0.74 0.74

0.83 0.83 0.83 0.83 0.83 0.83 0.83 0.83 0.83 0.83

1.2 2.4 3.6 4.8 6.0 7.2 8.4 9.6 10.8 122.5 5 7.5 10 12.5 15 17.5 20 22.5 253 6 9 12 15 18 21 24 27 302.5 5 7.5 10 12.5 15 17.5 20 22.5 255 10 15 20 25 30 35 40 45 507 13 20 26 33 39 46 52 59 655 9 14 18 23 27 32 36 41 45

10 19 29 38 48 57 67 76 86 9512 24 36 48 60 72 84 96 108 1207 14 21 28 35 42 49 56 63 70

15 29 44 58 73 87 102 116 131 14520 40 60 80 100 115 135 155 175 19511 21 32 42 53 63 74 84 95 10521 42 63 84 105 126 147 168 189 21030 60 90 120 150 180 210 240 270 30016 31 47 62 78 93 109 124 140 15532 63 95 126 156 189 221 252 284 31550 100 150 200 250 300 350 400 450 50025 50 75 100 125 150 175 200 225 25050 100 150 200 250 300 350 400 450 50065 130 195 260 325 390 455 520 585 65035 70 110 145 180 215 250 290 325 36070 145 215 290 360 435 505 580 650 725

110 220 330 440 550 660 770 880 990 110060 120 180 240 300 360 420 480 540 600

120 240 360 480 600 720 840 960 1080 1200180 360 540 720 900 1080 1260 1440 1620 1800

① Where diffuser is added on high capacity trim overall Cv is reduced as much as 15%.

2 900-2500 1.84 0.8

2.50 1.5

3.50 2.0

4.38 2.0

5.12 2.5

LO-DB® /Anti-cavitation (Single Stage) Models ① 41412 41512 41612 4191241413 41513 41613 41913 Flow Characteristic: LINEAR

41000 Series


FL

xT

Kc

Rated Cv

8/95

10 20 30 40 50 60 70 80 90 100

0.99 0.99 0.98 0.96 0.93 0.92 0.92 0.92 0.92 0.92

0.98 0.98 0.96 0.87 0.66 0.66 0.66 0.66 0.66 0.66

10 20 30 40 50 60 70 80 90 100

.999 .999 .999 .998 .997 .996 .994 .992 .990 .988

0.99 0.99 0.99 0.99 0.99 0.99 0.99 0.98 0.98 0.98

Valve OrificeSize ANSI Diameter(in) Class (in.)

4 300-2500 3.12 2.7 2.25 3 8 13 22 35 54 70 88 105 120

300-2500 4.12 3.0 3.0 6 13 21 35 54 82 120 160 200 240

8 300-2500 5.50 7.5 4.0 10 25 50 75 135 210 270 330 400 460

10 300-1500 7.62 9.5 4.0 20 45 75 120 200 280 375 475 590 700

12 300-1500 9.25 12.0 5.0 22 44 75 138 248 412 583 748 924 1100

16 300-1500 11.50 18.0 6.0 40 100 200 350 600 900 1150 1350 1600 1800

6

① Throttling at less than minimum operable CV levels for extended period of time can result in trim damage.

Travel(in.)

Valve OrificeSize ANSI Diameter(in.) Class (in.)

8 300-1500 3.12 3.0 4.0 12 24 36 48 60 72 84 96 100 120

10 300-1500 4.25 4.5 4.0 19 38 57 76 95 114 133 152 171 190

12 300-1500 5.00 4.5 4.0 27 54 81 108 135 162 189 216 243 270

Travel (in.)

Min.①Operable

Cv

Rated Cv


0.76 0.76 0.76 0.76 0.76 0.76 0.76 0.76 0.76 0.76Nominal


4 300-1500 3.50 2.0 10 20 30 40 50 60 70 80 90 1006 150-1500 4.38 2.5 15 30 45 60 75 90 105 120 135 1508 150-1500 5.12 3.0 21 42 63 84 105 126 147 168 189 210

10 150-1500 6.50 3.5 35 70 105 140 175 210 245 280 315 35012 150-1500 8.00 5.0 51 102 153 204 255 306 357 408 459 51016 150-600 9.75 6.0 89 179 268 358 447 537 626 716 805 895

Flow Direction: Flow to Open

LO-DB® Double Stage Models 41514, 41614 & 41914

41000 Series

VRT® Type S Anti-cavitation Model 41317

Percent of Travel

Full StackFlow Direction: Flow to Open Flow Characteristic: LINEAR

Percent of Travel

Partial StackFlow Direction: Flow to Open Flow Characteristic: MODIFIED PERCENTAGE

VRT® Type S Anti-cavitation Model 41337


Rated Cv

xT


Rated CvMin①

OperableCv

FL

Kc

FL

Kc

8/95

Flow Coefficients Rated Cv and Minimum Controllable Cv

Trim Size

TrimExpansion

Ratio

TrimExpansion

RatioCv Cv

A

2 x 3 1/4 4:1 15 2:1 25

2 x 4 1/4 4:1 15 2:1 25

3 x 3 3/8 4:1 35 2:1 50

3 x 4 3/8 4:1 35 2:1 50

3 x 6 3/8 4:1 35 2:1 50 0.76

4 x 4 1/2 4:1 60 2:1 80

4 x 6 1/2 4:1 60 2:1 80

4 x 8 1/2 4:1 60 2:1 80

6 x 6 1/2 4:1 85 2:1 125

6 x 8 1/2 4:1 85 2:1 125

B

Flow Coefficients (Rated Cv)

77000 Series

78200/18200 Series


xTPlug

Travel(in.)

Body SizeInlet x Outlet

(in.)

Size(in.)

OrificeDiameter

(in.)

Travel(in.)

Standard Capacity Trim

3 Stage 4 Stage 6 Stage

C Min.Cont.

A B C Min.Cont.

A B C Min.Cont.

1 .70 .25 2.0 .98 .05 1.0 .996 1.4 .994 1.7 .991 .04 .80 .998 1.0 .997 1.4 .994 .03

1.00 .25 3.8 .98 .10 1.9 .996 2.5 .994 3.2 .991 .08 1.4 .998 1.8 .997 2.5 .994 .05

2 1.50 .38 9.0 .98 .15 4.5 .996 6.0 .994 7.5 .991 .12 3.5 .998 4.5 .997 6.0 .994 .08

3 2.25 .62 20.0 .98 .25 10.0 .996 13.0 .994 16.5 .991 .20 7.5 .998 9.5 .997 13.0 .994 .13

4 2.88 .75 34.0 .98 .43 16.5 .996 22.0 .994 28.0 .991 .35 12.0 .998 16.0 .997 22.0 .994 .22

6 4.12 1.00 65.0 .98 .56 34.0 .996 45.0 .994 56.0 .991 .46 25.0 .998 35.0 .997 45.0 .994 .30

8 5.38 1.25 135.0 .98 1.0 70.0 .996 90.0 .994 115.0 .991 .80 50.0 .998 65.0 .997 91.0 .994 .65

Cv Cv Cv CvCv Cv CvFL FL FL FL FL FL

CvCv FLCv

11/2

8/95

89000 Series


Combining Service

Sizes: 1" through 6"Flow Direction: Common Port is Outlet in Combining Service Flow Characteristic: LINEAR

Plug Plugup 10 20 30 40 50 60 70 80 90 down0 100

0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.900.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.680.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63

L to C 19.1 18.4 17.1 15.4 13.3 11.0 8.5 5.6 3.0 1.0 0.0

U to C 0.0 1.2 3.2 5.8 8.2 10.1 11.5 12.2 12.7 13.1 13.4L to C 42.4 40.9 38.1 34.3 29.6 24.4 18.9 12.4 6.6 2.3 0.0

U to C 0.0 2.7 7.3 13.2 18.7 22.9 26.1 27.8 28.9 29.7 30.4L to C 74.0 71.0 67.0 60.0 52.0 43.0 33.0 22.0 11.5 4.0 0.0

U to C 0.0 4.7 13.0 23.0 33.0 40.0 46.0 49.0 51.0 52.0 53.0L to C 156.0 150.0 140.0 126.0 109.0 90.0 70.0 45.0 24.0 8.5 0.0

U to C 0.0 10.6 29.1 52.5 74.0 90.0 103.0 110.0 114.0 118.0 120.0L to C 270.0 260.0 242.0 218.0 188.0 155.0 120.0 79.0 41.0 14.0 0.0

U to C 0.0 18.9 52.0 93.0 131.0 161.0 184.0 195.0 203.0 209.0 214.0L to C 608.0 585.0 545.0 491.0 423.0 350.0 271.0 178.0 94.0 33.0 0.0

U to C 0.0 42.0 116.0 209.0 296.0 362.0 414.0 440.0 458.0 472.0 482.0

Rated Cv


xT

FL

Kc

ValveSize

(inches)


FlowPath

1

11/2

2

3

4

6

1.250

1.750

2.250

3.375

4.375

6.500

U = Upper L = Lower C = Common

8/95

89000 Series


Diverting Service

Sizes: 1" through 6"Flow Direction: Common Port is Inlet in Diverting Service Flow Characteristic: LINEAR

Plug Plugup 10 20 30 40 50 60 70 80 90 down0 100

0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.900.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.68 0.680.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63

C to L 14.3 13.8 13.7 13.1 12.0 10.3 8.3 5.7 3.2 1.2 0.0

C to U 0.0 1.2 3.5 5.9 7.8 9.3 10.4 11.3 12.0 12.4 12.6C to L 32.0 31.0 31.0 29.0 27.0 23.0 19.0 13.0 7.0 2.7 0.0

C to U 0.0 2.7 7.9 13.4 17.8 21.0 23.6 25.7 27.2 28.0 28.6C to L 57.0 55.0 54.0 52.0 48.0 41.0 33.0 22.0 12.0 4.7 0.0

C to U 0.0 4.7 14.0 23.0 31.0 37.0 41.0 45.0 48.0 49.0 50.0C to L 128.0 124.0 123.0 117.0 108.0 93.0 75.0 51.0 28.0 10.0 0.0

C to U 0.0 10.7 31.0 53.0 70.0 83.0 93.0 102.0 108.0 111.0 113.0C to L 228.0 220.0 218.0 209.0 192.0 165.0 133.0 91.0 51.0 19.0 0.0

C to U 0.0 19.0 55.8 94.8 125.3 148.2 166.7 181.5 192.0 197.8 202.0C to L 514.0 495.0 492.0 470.0 431.0 371.0 299.0 204.0 114.0 42.0 0.0

C to U 0.0 42.0 125.0 213.0 282.0 333.0 375.0 408.0 432.0 445.0 454.0

Rated Cv


xT

FL

Kc

ValveSize

(inches)


FlowPath

1

11/2

2

3

4

6

1.250

1.750

2.250

3.375

4.375

6.500

U = Upper L = Lower C = Common

Documents

Control Valve Sizing Handbook Supplement