Check Valves
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SXE Ball type Check Valves (UPVC)
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Model SXE Ball type Check or Non-Return Valve, double union, UPVC body and ball, EPDM or FPM (viton) seat and seals, solvent weld ends to BS/Ansi dimensions
Ends/Unions fully interchangeable with FIP ball valves VXE & VEESize 3/8” (DN10) → 2” (DN50) – 16 Bar
* Options: BSP end connectors, Model SSE (spring assisted)
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VRULV / VRFV Angle Seat Check Valve (UPVC)
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Angle seat Check or Non-Return Valve with true union ends*, UPVC Body, EPDM or FPM Seat and seals, solvent weld end connectors to BS/Ansi dimensions
Sizes
⅜ (DN10) → 2” (DN50) VRULV (union ends)-rated 16 Bar
2½ (DN65) → 4” (DN100) VRFV (plain socket ends, threaded bsp)-rated 10 Bar* Options: PP Body
* Union ends only available in valve sizes up to 2”; 2½”→ 4” model VRFV valves have the internal body socket threaded female BSP.
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RSK 500 Wafer Type Swing Check Valve (no spring) (UPVC/PP/PVDF)
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Stubbe Wafer style swing check valve with reduced port (refer dimension “C”), suitable for installation between flat face flanges, UPVC body and plate, EPDM/NBR/PTFE coated FPM Seat, O-ring flange seal, rated 6 Bar.
Wafer check valves without spring are recommended for installation in a vertical line with flow from the bottom.
Sizes 1-1/2” (DN40) → 8” (DN200)
* Options: Installation adaptor on the outlet side is available on request (ensures flap clearance)
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FRSK 501 Wafer Type Swing Check Valve (with return spring) (UPVC/PP/PVDF)
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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) → 6” (DN150)
* Options: Installation adaptor on the outlet side is available on request (ensures flap clearance)
