Pressure Relief Valve, 3/4 in, FNPT, Brass
PartBAG790125
MFG790-125
Description
Bell & Gossett Safety Relief Valve, Series: 790, 3/4 in Nominal, NPT, 125 psig, 250 deg F, Bronze Body, EPDM Seat, Diaphragm, 2-9/16 in W x 4-9/16 in H
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- 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
- 2535000 Btu/hr capacity
- Internal wetted parts: Brass
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.
| Nominal Size | 3/4 in |
| End Style | FNPT |
| Material | Brass |
| Body Material | Brass |
| Dimensions | 2-9/16 in W x 4-9/16 in H |
| Pressure Rating | 125 psi |
| Softgoods Material | EPDM Seat, Diaphragm |
| Temperature Rating | 250 deg F |
| Brand | Bell & Gossett |
| UNSPSC | 40141606 |
| Manufacturer | Xylem |
| Manufacturer Part Number | 790-125 |
ASME Specified
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Bell & GossettPressure Relief Valve, 3/4 in, FNPT, Brass
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