Models 6252, 6254 Air/Steam/Gas Relief Valves


ASME Section I Steam and ASME Section VIII, Air, Steam and Gas ‘UV’ National Board Certified. Model 6252 ASME Section IV ‘HV’ National Board Certified.

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    Model Descriptions
    • Model 6252: Cast iron, enclosed spring, stainless steel trim.
    • Model 6254: Same as Model 6252 except certified for ASME Code IV – Low pressure steam heating boilers. Set at 15 psig only. J through P orifice only.
    Pressure and Temperature Limits
    • Model 6252: 10 to 250 psig -20° to 406°F
    • Steam Boilers and Generators.
    • Pressure Reducing Stations.
    • Air/Gas Compressors – reciprocating or rotary.
    • Pressure Vessels – including tanks, receivers, intercoolers, oil/gas separators, lines.

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    Features and Benefits
    • Heavy duty construction of high quality cast iron with SS semi-nozzle trim and disc.
    • Bolted bonnet design for easy maintenance.
    • Seats lapped to optical flatness.
    • Dual control rings offer easy adjustability for precision opening with minimum preopen or simmer and exact blowdown control.
    • Heavy duty lift lever assembly.
    • Every valve tested/inspected for pressure setting, blowdown and leakage.
    • All adjustments are factory sealed to prevent tampering or disassembly.