Materials:Body: nickel-plated brass / PA 66, sleeve: PA 66 (M 3: nickel-plated steel / PA66), seal: NBR, holding claws: stainless steel, cartridge: Zinc-plated ZnDC (only silicone-free seals and lubricants are used during assembly)Temperature range:-20°C to +80°COperating pressure:-0,95 to 20 bar..