Kunkle Valve Models 71S, 171, 171P and 171S Safety Relief Valves

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

SKU: 02b66f0825c4 Category:



  • Suitable for back pressure to 50 psig (3.45 barg)
  • Seats lapped for optimum performance.
  • Spherical pivot between disc and spring corrects misalignment and compensates for spring side thrust.
  • Stainless steel springs.
  • Tested and inspected for pressure setting and leakage.
  • All SS 316 model 171S suitable for sanitary applications, depending on requirements.