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.

Beveled seats lapped for tight shut-off.