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