PEX is a part of the water piping system that has several advantages over metal piping systems (copper, iron, lead) or rigid plastic pipe systems (PVC, CPVC, ABS). It is flexible, resistant to scale and chlorine, does not corrode, and is faster to install than metal or rigid plastic. Technical data: - Size: PEX 20 mm x 3/4" GZ; - Material: nickel-plated brass (CW617N); - Maximum temperature (at 6 bar): +95 ° C; - Maximum pressure (at 60C): 1.0MPa (10 bar); - Gasket: "O" - type NBR; - Washer: PTFE; - Intended use: central heating and domestic hot water installations