Data Sheet

V500 Valve
D100054X012
Product Bulletin
51.3:V500
May 2012
20
Table 17. Fisher V500, Reverse Flow, L evel 4 Trim Full Port
Coefficients
Valve
Size,
NPS
Valve Rotation, Degrees
Modified Linear
Characteristic
10 20 30 40 50 60 70 80 90
C
v
1
.107 1.85 5.09 8.8 11.9 13.6 14.0 14.0 15.3
K
v
.093 1.60 4.40 7.61 10.3 11.8 12.1 12.1 13.2
F
d
0.49 0.64 0.73 0.81 0.87 0.92 0.96 0.99 1.00
F
L
--- 0.88 0.65 0.60 0.54 0.54 0.60 0.62 0.61
X
T
0.334 0.526 0.426 0.360 0.334 0.345 0.372 0.384 0.334
C
v
1-1/2
.988 3.37 7.66 13.5 19.3 23.5 25.3 25.3 26.1
K
v
.854 2.92 6.63 11.7 16.7 20.3 21.9 21.9 22.6
F
d
0.48 0.63 0.73 0.81 0.87 0.92 0.96 0.99 1.00
F
L
0.98 0.92 0.75 0.73 0.62 0.58 0.59 0.61 0.61
X
T
0.473 0.585 0.563 0.487 0.432 0.403 0.400 0.426 0.429
C
v
2
1.42 4.92 11.8 20.9 29.8 36.7 40.9 42.7 43.0
K
v
1.23 4.26 10.2 18.1 25.8 31.7 35.4 36.9 37.2
F
d
0.49 0.63 0.73 0.81 0.87 0.92 0.96 0.99 1.00
F
L
0.97 0.93 0.86 0.77 0.72 0.62 0.64 0.63 0.66
X
T
0.403 0.718 0.616 0.518 0.473 0.452 0.452 0.446 0.439
C
v
3
7.64 20.6 41.3 62.4 80.5 94.8 105 109 111
K
v
6.61 17.8 34.9 54.0 69.6 82.0 90.8 94.3 96.0
F
d
0.46 0.62 0.73 0.81 0.87 0.92 0.96 0.99 1.00
F
L
0.93 0.91 0.89 0.81 0.73 0.72 0.71 0.74 0.76
X
T
0.616 0.656 0.537 0.497 0.501 0.508 0.504 0.515 0.511
C
v
4
8.07 31.3 67.1 102 129 153 174 189 192
K
v
6.98 27.1 58.0 88.2 112 132 151 163 166
F
d
0.45 0.61 0.72 0.81 0.87 0.92 0.96 0.99 1.00
F
L
0.86 0.85 0.84 0.80 0.75 0.75 0.75 0.75 0.74
X
T
0.456 0.664 0.533 0.490 0.515 0.526 0.522 0.504 0.515
C
v
6
10.5 58.6 134 218 294 356 406 445 461
K
v
9.08 50.7 116 189 254 308 351 385 399
F
d
0.44 0.60 0.72 0.81 0.87 0.92 0.96 0.99 1.00
F
L
0.80 0.76 0.72 0.70 0.68 0.69 0.69 0.69 0.69
X
T
0.511 0.551 0.459 0.406 0.391 0.397 0.410 0.416 0.429
C
v
8
25.4 136 266 413 554 686 818 895 897
K
v
22.0 118 230 357 479 593 708 774 776
F
d
0.43 0.59 0.72 0.80 0.87 0.92 0.96 0.99 1.00
F
L
0.75 0.77 0.75 0.72 0.73 0.69 0.70 0.70 0.72
X
T
0.731 0.439 0.483 0.469 0.439 0.397 0.360 0.375 0.426