Kunkle Valve Model 537 Safety Relief Valves

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Model 537 Safety Relief Valves

A safety relief valve that meet ASME section IV, ‘HV’, for low pressure hot water boilers and is National Board certified

Features

Extra heavy construction helps provide long life.
Top guided disc assembly incorporates resilient seal in seating area.
Isolating diaphragm protects working parts from corrosion caused by discharged liquid.
Pivot between disc and spring designed to correct misalignment and compensates for spring side thrust.
Heavy duty lift lever.
Tested and inspected for pressure setting and leakage.