Product

Kunkle Valve Model 71S, 171, 171P, and 171S Non-Code Liquid Relief Valves



Non-code liquid relief valves

Model 71S
Cast iron body with SS seat and disc. Pressure-tight hood.

Model 171
Carbon Steel (CS) with SS seat and disc. Pressure-tight hood.

Model 171P
Same as model 171 with packed lift lever.

Model 171S
All 316 SS construction including spring. Available with pressure-tight hood or packed lift lever.

Features & Benefits

  • Suitable for back pressure to 50 psig.
  • Seats lapped for optimum performance.
  • Ball pivot between disc and spring corrects misalignment and compensates for spring side thrust.
  • Stainless Steel (SS) springs.
  • Each Kunkle valve is tested and inspected for pressure setting and leakage.