Overview of Primary Product

Powermite Two-Way Flared Valves Normally Open/Normally Closed Technical Instructions
155-311P25
March 7, 2005
Siemens Industry, Inc. Page 3
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 12 14 15 16 17 18 19 20
1/2
0.9 1.3 1.6 1.78 2 2.2 2.5 2.8 3.1 3.4 3.5 3.6 3.7 3.8 3.9 4.0
2.1 3 3.6 4.2 4.7 5.1 5.9 6.6 7.3 7.9 8.1 8.4 8.7 8.9 9.2 9.4
Table 3. Maximum Water Capacity - Cubic Meters per Hour (m3/h).
Valve
Size
Pressure Differential - kPa
in
mm
1 10 20 30 40 50 60 80 Kvs/
100
150 200 300 400 500
15
0.08 0.24 0.34 0.42 0.49 0.54 0.60 0.69 0.77 0.94 1.09 1.33 2.56 5.86
0.18 0.57 0.80 0.98 1.13 1.27 1.39 1.60 1.80 2.19 2.53 3.10 3.58 4.0
Table 4. Maximum Steam Capacity - Pounds per Hour.
Valve Inlet Pressure - psig
Size 2 5 10 15
in Pressure Differential - psi
inches 1 2 1 2 3 4 5 2 4 6 8 10 6 9 12 15
1/2 (Cv 0.9) 11 15 12 16 20 22 25 18 25 30 34 37 25 40 45 49
1/2 (Cv 2.1) 25 35 27 38 46 52 58 43 59 71 80 87 57 94 105 113
Table 5. Steam Capacity - Kilograms per Hour.
Valve Inlet Pressure - kPa
Size 50 100
in Pressure Differential – kPa
mm 10 25 10 20 50
15 (Kvs 0.77)
4.3 6.7 5.4 7.7 12.1
15 (Kvs 1.80)
9
14
13
18
28
Table 6. Body Temperature-Pressure Rating.
Valve
Body
Temperature Pressure
psig (kPa)
°F °C ANSI Class 250
Bronze
-20 to +150
+200
+250
(-30 to 66)
(93)
(121)
400 (2758)
385 (2655)
365 (2586)