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.