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Product Bulletin

51.2:EHMarch 2009

Fisher EH and EHA Control Valves - 14722 EH and EHA Valves

Table 35. Fisher EHS, CL2500, Linear and Equal Percentage Cages

Linear - Flow Up

LinearCharacteristic

ValveSize,NPS Port Diameter MaximumTravel FlowCoeffi-cient Valve OpeningPercent of Total Travel F
L (1) mm Inches mm Inches 10 20 30 40 50 60 70 80 90 100 C
v 1.40 2.77 8.42 14.3 19.3 23.9 28.0 31.4 33.4 35.2 0.90 2 & 3 x 2 38.1 1.5 29 1.125 K
v 1.21 2.40 7.28 12.4 16.7 20.7 24.2 27.2 28.9 30.4 - - - X
T 0.718 0.815 0.624 0.628 0.685 0.706 0.701 0.685 0.677 0.656 - - - C
v 2.98 11.7 28.3 45.7 58.8 67.9 75.3 82.0 86.4 88.6 0.94 3 & 4 x 3 58.7 2.3125 38 1.5 K
v 2.58 10.1 24.5 39.5 50.9 58.7 65.1 70.9 74.7 76.6 - - - X
T 0.706 0.664 0.697 0.710 0.731 0.731 0.727 0.710 0.689 0.681 - - - C
v 2.92 15.1 30.6 48.6 68.0 86.8 103 116 123 125 0.92 4 & 6 x 4 73.0 2.875 51 2 K
v 2.53 13.1 26.5 42.0 58.8 75.1 89.1 100 106 108 - - - X
T 0.748 0.819 0.792 0.636 0.624 0.697 0.779 0.797 0.788 0.797 - - - C
v 9.11 37.3 78.2 128 180 224 254 269 278 282 0.89 6 & 8 x 6 111.1 4.375 76 3 K
v 7.88 32.3 67.6 111 156 194 220 233 240 244 - - - X
T 0.620 0.656 0.589 0.574 0.601 0.648 0.689 0.718 0.714 0.714 - - -

Equal Percentage - Flow Up

Equal PercentageCharacteristic

C
v 1.06 1.31 2.10 3.73 6.26 9.46 13.1 17.3 22.1 26.3 0.91 2 & 3 x 2 38.1 1.5 22 0.875 K
v 0.917 1.13 1.82 3.23 5.41 8.18 11.3 15.0 19.1 22.7 - - - X
T 0.970 0.757 0.731 0.689 0.652 0.624 0.624 0.648 0.693 0.723 - - - C
v 1.94 2.86 5.09 9.02 14.9 22.6 32.1 43.0 53.9 64.7 0.94 3 & 4 x 3 58.7 2.3125 29 1.125 K
v 1.68 2.47 4.40 7.80 12.9 19.5 27.8 37.2 46.6 56.0 - - - X
T 0.810 0.757 0.681 0.677 0.706 0.706 0.668 0.652 0.723 0.761 - - - C
v 2.35 6.15 9.08 11.3 15.4 22.0 30.3 40.0 53.9 69.6 0.80 4 & 6 x 4 73.0 2.875 38 1.5 K
v 2.03 5.32 7.85 9.77 13.3 19.0 26.2 34.6 46.6 60.2 - - - X
T 0.856 0.681 0.620 0.656 0.644 0.597 0.555 0.555 0.578 0.632 - - - C
v 4.10 9.98 17.9 24.7 35.3 57.3 93.0 133 174 210 0.79 6 & 8 x 6 111.1 4.375 51 2 K
v 3.55 8.63 15.5 21.4 30.5 49.6 80.4 115 151 182 - - - X
T 0.697 0.677 0.605 0.578 0.597 0.608 0.574 0.555 0.616 0.605 - - -

Modified Equal Percentage - Flow Up

Modified Equal PercentageCharacteristic

C
v 1.10 1.71 3.37 6.56 11.2 16.5 21.6 26.4 30.8 33.1 0.91 2 & 3 x 2 38.1 1.5 29 1.125 K
v 0.952 1.48 2.92 5.67 9.69 14.3 18.7 22.8 26.6 28.6 - - - X
T 0.898 0.748 0.689 0.640 0.636 0.656 0.693 0.723 0.727 0.677 - - - C
v 2.11 4.16 8.97 16.9 28.4 42.5 55.8 68.2 78.5 84.0 0. 3 & 4 x 3 58.7 2.3125 38 1.5 K
v 1.83 3.60 7.76 14.6 24.6 36.8 48.3 59.0 67.9 72.7 - - - X
T 0.828 0.710 0.672 0.731 0.723 0.689 0.731 0.766 0.723 0.706 - - - C
v 2.75 8.60 11.8 16.6 26.8 42.3 59.8 78.9 106 116 0.88 4 & 6 x 4 73.0 2.875 51 2 K
v 2.38 7.44 10.2 14.4 23.2 36.6 51.7 68.2 91.7 100.3 - - - X
T - - - 0.608 0.636 0.640 0.570 0.537 0.578 0.664 0.693 0.779 - - - C
v 6.81 16.5 30.5 58.0 109 175 228 256 275 281 0.88 6 & 8 x 6 111.1 4.375 76 3 K
v 5.89 14.3 26.4 50.2 94.3 151 197 221 238 243 - - - X
T 0.677 0.632 0.593 0.570 0.574 0.601 0.624 0.644 0.693 0.697 - - -
1. At 100% travel. 39