Radium Universal Check Valve The Radium Engineering Universal Check Valve is a precision-machined, one-way flow valve built for motorsport and high-performance plumbing applications. CNC-machined from billet aluminium with stainless steel internals and FKM Viton seals, it handles everything from pump fuel and E85 to methanol, oil, coolant, and water — all in a compact, lightweight package engineered to last. This listing covers the 20-0534-06 Radium Universal Check Valve Kit, 6AN. This kit includes the 20-0534 check valve body plus all adapter fittings needed to convert both the inlet and outlet to 6AN male and/or 6AN female connections. Other variants are available separately — see the part number guide in the specs section below. Specifications Check valve type: Spring-loaded piston Body material: Anodised aluminium Plunger material: Stainless steel Spring material: Stainless steel Hardware: Stainless steel Body seal: FKM Viton Plunger seal: FKM Viton Large hex: 30mm (1-3/16 in) Body length (no adapters): 43.6mm (1.72 in) Cracking pressure: 0.3 PSI Max operating pressure: 1,000+ PSI Backflow holding pressure: 1,000+ PSI All female AN ports accept 37-degree flare male and ORB (O-ring Boss) male fittings Flow direction laser etched on body Compatible with petrol, ethanol, methanol, diesel, water, coolant, oil, and more Available Part Numbers 20-0534 — Check Valve Body Only (no adapter fittings; native 10AN male outlet / 8AN female inlet) 20-0534-06 — Universal Check Valve Kit, 6AN 20-0534-08 — Universal Check Valve Kit, 8AN 20-0534-10 — Universal Check Valve Kit, 10AN Full specifications and application notes are provided in the tabs above. Please confirm your plumbing configuration and AN fitment requirements before ordering. Not sure if this check valve suits your build? Contact our team at [email protected] for expert advice.
