Inlet and outlet connections cast integral with body for easy inspection and servicing without disconnecting piping.

Available with optional female NPT inlet or flanged inlet and outlet connections.

Beveled seats lapped for tight shut-off.

Stainless steel spring for excellent corrosion resistance.

Spherical pivot between disc and spring corrects misalignment and compensates for spring side thrust.

Tested and inspected for pressure setting and leakage.