Data Sheet
V500 Valve
D100054X012
Product Bulletin
51.3:V500
May 2012
16
Table 13. Fisher V500, Reverse Flow, Level 1, 2, and 3 Trims Full Port
Coefficients
Valve
Size,
NPS
Valve Rotation, Degrees
Modified Linear
Characteristic
10 20 30 40 50 60 70 80 90
C
v
1
1.08 2.82 5.26 9.11 12.4 14.7 15.9 16.4 16.8
K
v
0.93 2.44 4.55 7.88 10.7 12.7 13.8 14.2 14.5
F
d
0.49 0.64 0.73 0.81 0.87 0.92 0.96 0.99 1.00
F
L
0.80 0.79 0.73 0.63 0.58 0.55 0.56 0.51 0.48
X
T
0.172 0.284 0.406 0.357 0.345 0.322 0.300 0.289 0.283
C
v
1-1/2
1.71 5.33 11.3 18.4 24.7 28.6 30.1 30.7 31.0
K
v
1.48 4.61 9.77 15.9 21.4 24.7 26.0 26.6 26.8
F
d
0.48 0.63 0.73 0.81 0.87 0.92 0.96 0.99 1.00
F
L
0.75 0.74 0.70 0.66 0.64 0.63 0.63 0.63 0.63
X
T
0.357 0.442 0.432 0.397 0.369 0.360 0.360 0.357 0.357
C
v
2
2.98 7.40 15.6 27.6 41.9 52.9 56.4 57.2 57.4
K
v
2.58 6.40 13.5 23.9 36.2 45.8 48.8 49.5 49.7
F
d
0.49 0.63 0.73 0.81 0.87 0.92 0.96 0.99 1.00
F
L
0.92 0.89 0.81 0.67 0.60 0.58 0.58 0.58 0.58
X
T
0.480 0.476 0.462 0.384 0.308 0.265 0.265 0.265 0.265
C
v
3
7.19 21.4 47.0 75.4 105 122 132 134 141
K
v
6.22 18.5 40.7 65.2 90.8 106 114 116 122
F
d
0.46 0.62 0.73 0.81 0.87 0.92 0.96 0.99 1.00
F
L
0.80 0.80 0.77 0.71 0.66 0.65 0.65 0.65 0.65
X
T
0.357 0.476 0.487 0.436 0.372 0.378 0.384 0.376 0.357
C
v
4
12.2 39.0 79.9 124 171 202 222 232 235
K
v
10.6 33.7 69.1 107 148 175 192 201 203
F
d
0.45 0.61 0.72 0.81 0.87 0.92 0.96 0.99 1.00
F
L
0.90 0.89 0.81 0.73 0.71 0.70 0.69 0.69 0.69
X
T
0.522 0.544 0.487 0.456 0.406 0.406 0.416 0.423 0.416
C
v
6
15.1 72.4 156 251 351 438 534 638 717
K
v
13.1 62.6 135 217 304 379 462 552 620
F
d
0.44 0.60 0.72 0.81 0.87 0.92 0.96 0.99 1.00
F
L
0.85 0.85 0.82 0.77 0.70 0.66 0.61 0.57 0.51
X
T
0.416 0.597 0.518 0.522 0.452 0.388 0.336 0.270 0.219
C
v
8
33.5 143 302 485 663 798 871 897 986
K
v
29.0 124 261 420 573 690 753 776 853
F
d
0.43 0.59 0.72 0.80 0.87 0.92 0.96 0.99 1.00
F
L
0.81 0.81 0.79 0.76 0.68 0.66 0.66 0.66 0.66
X
T
0.697 0.593 0.483 0.410 0.354 0.342 0.366 0.403 0.363