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Bell & Gossett 790-80 110757 Safety Relief Valve, 3/4 in, NPT, 125 psig, Brass
Temperature & Pressure Relief Valves
725956
MFG #: 110757
Requires Quote
- Additional Information: 1710000 Btu/hr Capacity
- Body Material: Brass
- Connection Type: NPT
- Height: 4-9/16
- Length: 2-9/16
- Manufacturer: Bell & Gossett
- Model: 790-80
- Nominal Size: 3/4
- Temperature Rating: 250
B&G diaphragm operated cast iron and diaphragm-assist operated bronze ASME Safety Relief Valves are designed to protect fired and unfired hot water pressure vessels against over-pressure conditions. These valves feature a unique failsafe disc with sufficient area to permit the valves to maintain their safety relief function in the event of a diaphragm rupture. These valves are designed, manufactured, tested and labeled in accordance with the requirements of Section IV of the ASME Boiler and Pressure Vessel code. They are offered in a wide range of capacities to permit a close match with the boiler output rating.
- Features
- 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
- EPDM diaphragm operated (cast iron models) and diaphragm assisted (bronze models) have an effective area approximately 5X 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
- STANDARD_APPROVALS: ASME Specified