The KTN 11.11 is our NPT threaded needle valve. Body and needle in AISI A182 F316 stainless steel, the needle also has a heat treatment that provides greater resistance to severe temperatures / pressures. The range is from 1/4 ″ to 1 ″ (inches). Its maximum working pressure is 410 bar. The working temperature range covers -54ºC to + 250ºC. Indicated to open, regulate or stop compressed air, water and industrial fluids at high pressure.