Polyamide (PA6) or acetal polymer (POM). Also available in nickel-plated brass and stainless AISI316. Polyamide: Pressure max. 10 bar. Temp. -40° C to 90° C. Acetal polymer: Pressure max. 10 bar. Temp. -40° C to 90° C Nickel-plated brass: Pressure max. 60 bar. Temp. max. 150° C.