Radium Universal Check ValveA 1 way check valve permits flow in 1 direction only. The Radium Enginering universal check valve features a lightweight anodized aluminum body with Viton seals and stainless steel hardware. As shown below, the internal plunger's aerodynamic shape warrants a smooth laminar stream. All female AN ports can accept 37 degree flare male fittings and or ORB (O ring boss) male fittings. The flow direction is laser etched on the side of the part. The check