Models 6252, 6254

Model Description:

ASME Section I Steam and ASME Section VIII, Air, Steam and Gas “UV” National Board Certified.  Model 6254 ASME Section IV “HV,” National Board Certified. PED Certified for Non-Hazardous Gas.

• Model 6252: Cast iron, enclosed spring, stainless steel (SS) trim.
• Model 6254: Same as Model 6252 except certified for ASME Code Section IV, Low-pressure Steam Heating Boilers. Set 15 PSIG [1.0 barg] only. J through P orifice only.

Features:

• Heavy-duty construction of high-quality cast iron with stainless steel 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.
• Adjustments are factory sealed to prevent tampering or disassembly.
• Each Kunkle valve is tested and inspected for pressure setting and leakage.

Applications:

• Steam boilers and generators.
• Pressure-reducing stations.
• Air/gas compressors -- reciprocating or rotary.
• Pressure vessels, including tanks, receivers, intercoolers, oil/gas separators, lines.

Pressure and Temperature Limits:

• Model 6252:
• 10 to 250 PSIG [0.7 to 17.2 barg]
• -20° to 406°F [-28° to 208°C]

Please refer to the Kunkle Catalog or Contact for additional information.