Body Sizes
NPS 3/4 or 1 / DN 20 or 25
Maximum Operating Vacuum Pressure
11 psig / 0.76 bar vacuum
Maximum (Casing) Pressure
Gray Cast Iron: 35 psig / 2.41 bar
WCC Carbon Steel, LCC Carbon Steel or CF8M/CF3M Stainless Steel: 75 psig / 5.17 bar
Maximum Emergency Inlet (Casing) Pressure to Avoid Internal Parts Damage
35 psig / 2.41 bar
Temperature Capabilities
Nitrile (NBR)
Gray Cast Iron or WCC Carbon Steel Body: -20 to 180°F / -29 to 82°C
LCC Carbon Steel or CF8M/CF3M Stainless Steel Body: -40 to 180°F / -40 to 82°C
Flourocarbon (FKM): 40 to 300°F / 4 to 149°C
Spring Case Connection
1/4 NPT
Diaphragm Case Connection
1/2 NPT
Approximate Weight
19 pounds / 8.6 kg
Additional Technical Data
For additional technical information, contact your local Sales Office or refer to technical documentation.