User Guide

Flowrite VF 599 Series Three-Way Valves Technical Instructions
Document Number 155-185P25
April 9, 2007
Siemens Building Technologies, Inc. Page 5
Table 2. Maximum Water Capacity - U.S. Gallons per Minute.
Valve
Size
Pressure Differential - psi
in
inches
Cv\1 2 3 4 5 6 8 10 15 20 25 30 40 50 60 75
1.0 1.4 1.7 2.0 2.2 2.5 2.8 3.2 3.9 4.5 5.0 5.5 6.3 7.1 7.8 8.7
1.6 2.3 2.8 3.2 3.6 3.9 4.5 5.1 6.2 7.2 8.0 8.8 10.1 11.3 12.4 13.9
2.5 3.5 4.3 5.0 5.6 6.1 7.1 7.9 97 11.2 12.5 13.7 15.8 17.7 19.4 22
1/2
4 5.7 7 8.0 8.9 10 11.3 12.6 15.5 17.9 20.0 21.9 25 28 31 35
3/4 6 8.9 10.9 12.6 14.1 15.4 17.8 20 24 28 32 35 40 45 49 55
1 10 14.1 17.3 20 22 24 28 32 39 45 50 55 63 71 77 87
1-1/4 16 23 28 32 36 39 45 51 62 72 80 88 101 113 124 139
1-1/2 25 35 43 50 56 61 71 79 97 112 125 137 158 177 194 217
2 40 57 69 80 89 98 113 126 155 179 200 219 253 283 310 346
Table 3. Maximum Water Capacity - Cubic Meters per Hour (m
3
/hr).
Valve
Size
Pressure Differential - kPa
in
mm
1 10 20 30 40 50 60 80 Kvs/
100
150 200 300 400 500
0.09 0.3 0.4 0.5 0.5 0.6 0.7 0.8 0.9 1.0 1.2 1.5 1.7 1.9
0.14 0.4 0.6 0.8 0.9 1.0 1.1 1.2 1.4 1.7 1.9 2.4 2.7 3.1
0.2 0.7 1.0 1.2 1.4 1.5 1.7 1.9 2.2 2.6 3.0 3.7 4.3 4.8
15
0.3 1.1 1.5 1.9 2.2 2.4 2.7 3.1 3.4 4.2 4.9 6.0 6.9 7.7
20 0.5 1.7 2.4 3.0 3.4 3.8 4.2 4.9 5.4 6.7 7.7 9.4 10.9 12.1
25 0.9 2.7 3.8 4.7 5.4 6.1 6.7 7.7 8.6 10.5 12.2 14.9 17.2 19.2
32 1.4 4.4 6.2 7.6 8.7 9.8 10.7 12.3 13.8 16.9 19.5 23.9 27.6 30.9
40 2.2 6.8 9.6 11.8 13.6 15.2 16.7 19.2 22 26 30 37 43 48
50 3.4 10.9 15.4 18.8 22 24 27 31 34 42 49 60 69 77
Table 4. Body Temperature-Pressure Rating.
Temperature
Pressure
psig (kPa)
Valve
Body
°F °C ANSI Class 250
Bronze -20 to +150 (-30 to 66)
+200 (93)
+250 (121)
+300 (149)
+350 (177)
400 (2758)
385 (2655)
365 (2586)
335 (2300)
300 (2068)