FRSK 501 Wafer Type Swing Check Valve (with return spring) (UPVC/PP/PVDF)
Stubbe Wafer style swing check valve with reduced port (refer dimension “C”) and return spring*, suitable for installation between flat face flanges, UPVC body and plate, EPDM/NBR/PTFE coated FPM Seat, O-ring flange seal, rated 6 Bar.
* Spring available in 1.4571 (316Ti) or 2.4610 (Hastelloy)
Wafer check valves with spring are recommended for installation in a horizontal line with flow or for pulsating flow
Sizes 1-1/2” (DN40 → 16” (DN400)
* Options: Installation adaptor on the outlet side is available on request (ensures flap clearance)