Safety Relief Valve Kunkle

Model 537

These valves serve the dual purpose of relieving overpressure created by thermal expansion under normal firing conditions and overpressure in the form of water or steam created in over-firing due to failure of electrical or other controls on hot water boilers, heat exchangers and generators.

• 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
• − Kilns.