ERA Valves, CPVC UNION, CU001, (ASTM F1970), NSF-pw & UPC System: CPVC valves System Valve pressure rating 150 psi at 73°F water non-shock full-port, Maximum service temperature 180°F, Full port, EPDM O-rings, Includes both socket and female NPT thread end connections. Scope: Our TUBVs are...nCharacteristics of plastic valvesnPlastic valves are a type of valve made of engineering plastics. They have good chemical stability, corrosion resistance and temperature resistance, as well as light weight, good insulation, easy installation, and low maintenance costs.