Kunkle Low Pressure Steam & Hot Water Boiler Safety Relief Valves Model 537
A safety relief valve that meet ASME section IV, ‘HV’, for low pressure hot
water boilers and is National Board certified.
• 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.