G4″ Stainless steel check valve with parallel thread (BSPP) and FKM seal. The minimum differential pressure across the non-return valve must be higher than 0.03 bar. The valve has a light spring to close the valve. The maximum operating pressure is 16 bar and the valve is suitable for temperatures between -20 and 150°C.
This valve is only suited for fluids.
Pros:
- Stainless steel 316 has better chemical resistance than stainless steel 304
- FKM is suitable for oils, fuels, air, water and many chemicals
Cons:
- This valve is only suited for fluids
CLIS4E series
The CLIS4E check valves are made of stainless steel 316 and have FKM sealing. They’re available from G 1/4 up to 4 inch. With a PN 16 pressure rating and maximum temperatures of 150° C (302° F), the valves are suitable for harsh media such as steam.
Specifications
Connection size : 4 inch
Connection type : Inner thread cylindrical BSPP-G
Material : Stainless steel
Seal material : FKM (FPM)
Recommended for : Water,Sea water,Combustible gases,Lubricant,Fuel,Oil,Strong acids and bases,Dilute acids and bases,Carbon dioxide,Air
Max pressure at 20 °C (bar) : 16
Min temperature (°C) : -20
Max temperature (°C) : 150
Kv value [m3/h] : 202
Min opening pressure (bar) : 0.03
Material quality : Stainless steel 316 (1.4401)
Model : Straight
Surface protection : Untreated
Width (mm) : 193
Height (mm) : 167
Article compression class : PN 16
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