502217

110034 4100 30 4100K Relief Valve Bell & Gossett

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4100-30 4100K Relief Valve

ASME Safety Relief Valves
  • Protect fired and unfired hot water vessels against hazardous operating pressures
  • Engineered in accordance with Section IV of the ASME boiler and pressure code for heating boilers with capacities certified by the National Board of Boiler and Pressure Vessel Inspectors
  • Offer the highest BTUH ratings available on the market today for valves in their class (790,000 to 5,999,000 BTUH)
  • EPDM diaphragm operated (cast iron models) and diaphragm assisted (bronze models) have an effective area approximately 5 times greater than conventional "pop-type" relief valves to help overcome the effects of fouling
  • Low differential between opening and closing pressures helps to prevent conditions under which system water might flash to steam and cause hammering
  • Model 3301 and 4100 Operating Data & Construction
  • Maximum working pressure 50 PSIG (3.4 bar)
  • Maximum Operating Temperature 250 F (121 C)
  • Body: Cast Iron
  • Diaphragm & Seat: EPDM
  • Internal Wetted Parts: Brass
  • Resources

    WASHING INSTRUCTIONS:

    Machine wash separately in cold water on a gentle cycle. Tumble dry separately on low heat. Add QE Home Wool Dryer Balls to reduce wrinkles and increases drying efficiency. Touch up with a low heat iron as needed. Do not bleach or dry clean.

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