Table 23 - Flow Coefficients, CV, 2400/2420 Globe Body, Modified Percent, Unbalanced Plug Control Trims, Flow Up Body Size
Trim Size
2”
0.250” 0.375” 0.500” 0.750” 1.000” 1.250” 1.500” 1.750”
10 .284 .311 .592 .882 1.05 1.60 2.02 2.14
20 .506 .621 1.17 1.76 2.10 3.17 3.51 3.81
Flow Coefficient (CV) Valve Opening - Percent of Total Travel 30 40 50 60 70 80 .657 .767 .875 .989 1.10 1.20 .942 1.28 1.64 2.07 2.51 2.93 1.76 2.34 2.95 3.70 4.57 5.50 2.76 3.82 5.05 6.57 8.49 10.8 3.21 4.86 7.24 10.7 14.3 16.0 6.42 9.78 13.2 16.6 20.1 23.8 7.60 12.0 16.3 20.7 24.4 27.8 8.09 12.6 16.9 21.2 25.7 30.5
90 1.32 3.35 5.95 12.2 17.4 27.1 31.0 34.6
100 1.43 3.70 6.08 12.9 17.8 29.8 34.0 38.1
90 21.1 36.9 46.9 41.7 66.7 69.8 41.7 70.9 85.9 117 41.7 81.0 106 153 201 302 419 573 837
100 21.6 39.1 47.5 44.6 69.4 71.3 44.6 73.7 88.1 119 44.6 84.9 110 155 203 305 422 578 841
Table 24 - Flow Coefficients, CV, 2700/2720A/E Globe Body, Balanced Quick Opening Cage Control Trims, Flow Down Body Size
Trim Size
1”
1” 1” 1.5” 1” 1.5” 2” 1” 1.5” 2” 3” 1” 1.5” 2” 3” 4” 4” 6” 6” 8”
1.5” 2”
3”
4”
6” 8”
10 .675 .675 1.06 .675 1.06 2.03 6.75 1.06 2.03 4.63 .675 1.06 2.03 5.47 12.4 14.7 37.9 37.9 95.9
20 2.20 2.20 6.02 2.20 6.02 9.34 2.20 6.02 9.34 14.5 2.20 6.02 11.9 21.6 40.8 50.2 114 119 257
Flow Coefficient (CV) Valve Opening - Percent of Total Travel 30 40 50 60 70 80 6.68 11.0 15.1 17.8 19.7 20.6 6.90 12.5 17.7 23.0 28.2 33.2 15.2 24.5 33.4 40.0 43.4 45.6 6.90 12.5 17.8 24.4 31.0 37.2 16.5 26.7 37.2 47.5 56.4 62.7 24.8 40.5 52.8 59.4 64.2 67.6 6.90 12.5 17.8 24.4 31.0 37.2 16.5 26.7 39.9 53.1 61.4 67.0 25.4 41.6 57.5 69.6 78.6 83.6 37.2 65.4 86.0 100 109 114 6.90 12.5 17.8 24.4 31.0 37.2 16.5 26.7 39.9 53.1 66.5 75.2 28.2 49.8 70.6 85.3 94.9 102 48.1 77.1 104 124 139 148 85.6 128 159 179 193 199 108 165 220 258 282 295 210 287 344 384 406 415 223 325 430 500 537 561 434 596 713 777 818 833
Table 25 - Flow Coefficients, CV,2700/2720A/E Globe Body, //data/public/pdf/valve-sizing-maual.doc 36 of 43 Norriseal – P.O. Box 40525 Houston TX 77240-052–- Ph: (713) 466-3552, Fax: (713) 896-7386
10/10/2008