Kunkle Relief Valve Models 71S, 171, 171P, 171S

Extra heavy, rugged construction non-code liquid relief valves with a variety of model options to meet specific applications.

General Application

Suitable for overpressure relief, pressure regulation, by-pass relief and protection of pumps, tanks, lines and hydraulic systems containing acid, caustic, ammonia and other corrosive liquids requiring iron, steel or SS materials.

• Suitable for back pressure to 50 psig (3.45 barg)[1].

• Spherical pivot between disc and spring corrects misalignment and compensates for spring side thrust.

• Tested and inspected for pressure setting and leakage.

• All SS 316 model 171S suitable for sanitary applications.