Data Sheet

V500 Valve
D100054X012
Product Bulletin
51.3:V500
May 2012
19
Table 16. Fisher V500, Forward Flow, Level 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
.30 1.91 4.68 7.3 9.17 10.3 11.0 11.5 11.6
K
v
.260 1.65 4.05 6.31 7.93 8.91 9.52 9.95 10.0
F
d
0.49 0.64 0.73 0.81 0.87 0.92 0.96 0.99 1.00
F
L
--- 0.98 0.87 0.87 0.85 0.86 0.85 0.86 0.84
X
T
0.668 0.574 0.529 0.566 0.616 0.668 0.685 0.628 0.616
C
v
1-1/2
1.46 3.79 8.13 13.4 17.9 20.7 22.4 24.0 25.0
K
v
1.26 3.28 7.03 11.6 15.5 17.9 19.4 20.8 21.6
F
d
0.48 0.63 0.73 0.81 0.87 0.92 0.96 0.99 1.00
F
L
0.86 0.86 0.82 0.84 0.80 0.80 0.79 0.79 0.79
X
T
0.566 0.605 0.55 0.544 0.551 0.574 0.589 0.585 0.597
C
v
2
1.76 6.0 13.8 22.6 29.5 35.2 38.4 38.4 38.4
K
v
1.52 5.19 11.9 19.5 25.5 30.4 33.2 33.2 33.2
F
d
0.49 0.63 0.73 0.81 0.87 0.92 0.96 0.99 1.00
F
L
0.95 0.96 0.94 0.83 0.81 0.80 0.77 0.77 0.78
X
T
0.819 0.555 0.501 0.480 0.533 0.566 0.570 0.585 0.585
C
v
3
7.6 23.2 44.0 62.6 82.5 102 115 119 124
K
v
6.57 20.1 38.1 54.1 71.4 88.2 99.5 103 107
F
d
0.46 0.62 0.73 0.81 0.87 0.92 0.96 0.99 1.00
F
L
0.88 0.87 0.85 0.84 0.83 0.82 0.80 0.80 0.80
X
T
0.578 0.494 0.511 0.540 0.529 0.515 0.518 0.533 0.526
C
V
4
9.31 37.0 73.5 111 144 171 192 208 221
K
V
8.05 32.0 63.6 96.0 125 148 166 180 191
F
d
0.45 0.61 0.72 0.81 0.87 0.92 0.96 0.99 1.00
F
L
0.94 0.90 0.85 0.84 0.82 0.80 0.77 0.77 0.77
X
T
0.526 0.476 0.449 0.452 0.480 0.504 0.511 0.501 0.487
C
v
6
9.71 64.3 141 222 299 368 426 469 499
K
v
8.40 55.6 122 192 259 318 368 406 432
F
d
0.44 0.60 0.72 0.81 0.87 0.92 0.96 0.99 1.00
F
L
0.95 0.88 0.82 0.80 0.78 0.78 0.77 0.77 0.76
X
T
0.504 0.459 0.432 0.422 0.429 0.436 0.432 0.422 0.413
C
v
8
34.6 142 290 447 592 716 822 911 958
K
v
29.9 123 251 387 512 619 711 788 829
F
d
0.43 0.59 0.72 0.80 0.87 0.92 0.96 0.99 1.00
F
L
0.92 0.76 0.78 0.79 0.77 0.76 0.73 0.71 0.73
X
T
0.544 0.446 0.426 0.429 0.429 0.46 0.419 0.410 0.429