225 Auto-Soft Flow Actuated Check Valves
Model: 225-flow-actuated-check-valve
225 Auto-Soft Flow Actuated Check Valves
Model: 225-flow-actuated-check-valve
Technical Specs
Type
Check Valve for Automatic Soft Starts
O-ring
Viton®
Operating Temperature
100°C max.
Tube Outer Diameter
NW40, NW50
Required Clearance
0.3 - 1.0 inches, depending on configuration
Spring Material
Elgiloy®
Closing Flow
NW40: 6 CFM/sec, NW50: 12 CFM/sec
Ring, Tabs, Stop & Axel Material
Type 304 stainless steel
Vane Material
Inconel® 625
Bearing Material
Teflon®
Closing Time
NW40: 10 ms, NW50: 12 ms
Opening Pressure
NW40: 2 Torr, NW50: 3 Torr
Pumpdown Time
Typical increase in pumpdown time is 3 times.
Times were measured using a pump capacity of 27 CFM for NW 40, 70 CFM for NW 50 and a volume of 100 liters.
Technical Specs
Type
Check Valve for Automatic Soft Starts
O-ring
Viton®
Operating Temperature
100°C max.
Tube Outer Diameter
NW40, NW50
Required Clearance
0.3 - 1.0 inches, depending on configuration
Spring Material
Elgiloy®
Closing Flow
NW40: 6 CFM/sec, NW50: 12 CFM/sec
Ring, Tabs, Stop & Axel Material
Type 304 stainless steel
Vane Material
Inconel® 625
Bearing Material
Teflon®
Closing Time
NW40: 10 ms, NW50: 12 ms
Opening Pressure
NW40: 2 Torr, NW50: 3 Torr
Pumpdown Time
Typical increase in pumpdown time is 3 times.
Times were measured using a pump capacity of 27 CFM for NW 40, 70 CFM for NW 50 and a volume of 100 liters.
