Data Sheet for Product

Powertop Two-Way Valves Normally Open Technical Instructions
Document No. 155-310P25
July 18, 2012
Siemens Industry, Inc. Page 3
Service Kits
Valve body assembly, Normally Open:
Cv (Kvs) Part Number
10 (8.6) 658-319
16 (13.7) 658-321
Complete top replacement, Normally Open,
2 to 6 psi (12 to 41 kPa) only:
Valve Top Assembly
658-0012 658-072
658-0014 658-074
Table 2. Maximum Water Capacity - U.S. Gallons per Minute.
Pressure Differential - psi
Valve
Size
Inches
Cv\1 2 3 4 5 6 8 10 15 20 25 30 40 50 60 75
1.0 10 14 17 20 22 25 28 32 39 45 51 55 63 71 78 87
1.25 16 23 28 32 36 40 45 51 62 72 81 88 101 114 125 139
Table 3. Maximum Water Capacity - Cubic Meters per Hour (m3/h).
Pressure Differential - kPa
V
alve
Size
in
mm
1 10 20 30 40 50 60 80
Kvs/
100
150 200 300 400 500
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 13.7 16.9 19.5 23.9 27.6 30.9
Table 4. Maximum Steam Capacity - Pounds per Hour.
Inlet Pressure - psig
2 5 10 15
Pressure Differential - psi
Valve
Size
in
Inches
Cv/1 1 2 1 2 3 4 5 2 4 6 8 10 6 9 12 15
1.0 10 120 170 130 180 220 250 280 210 280 340 380 420 380 450 500 550
1.25 16 190 270 210 290 350 400 440 330 460 550 600 670 600 720 810 870
Table 5. Steam Capacity - Kilograms per Hour.
Inlet Pressure - kPa
50 100
Pressure Differential – kPa
Valve
Size
in
mm
Kvs 10 25 10 20 50
25 8.6 43 68 60 85 135
32 13.7 68.8 109 97 137 216