Check Valves
Check valves preventing backflow across fire protection systems.
Overview
Check valves allow flow in one direction only, protecting pumps and piping from backflow across a fire protection system. We source them to your required diameter and connection type.
Features
Swing, wafer, or spring-assisted disc designs
Flanged, grooved, or threaded end connections
Low-friction-loss designs to minimize pressure drop
Applications
Fire pump discharge backflow preventionRiser and zone piping backflow protectionProtecting the jockey pump from main pump backflowUnderground fire main non-return points
Technical Information
Physical
Size range
Typically DN50 – DN300 (2" – 12")
Performance
Pressure class
Typically rated to 175 – 300 psi (12 – 20 bar)
Configuration
Disc type
Swing, wafer, or spring-assisted
Standards
Standards
Typically listed to UL / FM for fire protection service
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