Kunkle Model 930 Safety Valves

Safety And Relief Products

High capacity cast iron safety valve that meets asMe section Iv steam standard ‘Hv’ and is National Board certified


  • Extra high capacity for industrial, commercial and residential low pressure steam heating boilers.
  • Cast iron body with bronze nozzle, disc and guide.
  • large seat area/guide area ratio and disc pivot design ensures optimum performance.
  • Seats are lapped for optimum performance.
  • Reversible lift lever for ‘pull-up’ or ‘pull-down’ manual testing.
  • All adjustments factory sealed to prevent tampering or disassembly.
  • Tested and inspected for pressure setting and leakage.

General Application

Model 930 is suitable for use on low pressure steam heating boilers to asMe code section Iv at 15 psig set pressure.

Technical Data

Sizes: 2”, 2½”, 3”
Connections: threaded NPT
Temperature: 250°f (121°C)
Pressure: 15 psig (1 barg) only
Code: ASME Iv