790-30 790K Relief Valve Zoom

790-30 790K Relief Valve


Brand: Bell & Gossett

Bell & Gossett
Qty Price
/ each
$281.40 / box (4 units x $70.35)
In Stock! Ships in 24-48 Hours
(15 Available)


Size: 3/4"
Capacity: 790000 BTU/hr
Capacity (BTU): 790000
Material: Bronze
Max Pressure (PSI): 125 psi
Max. Working Pressure: 125 PSIG
Pressure Set Point: 30 psi
Connection Type: Threaded
Max Pressure (PSI): 125 PSIG
Application: Heating
Temperature Range (F): 250°F Max

Description for Bell & Gossett 110121


  • Installed in systems to discharge water should excessive pressure develop
  • Features an extra large relief diaphragm to assure positive action
  • 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 790 and 1170 Operating Data & Construction
  • Maximum working pressure 125 PSIG (8.6 bar)

790-30 790K Relief Valve

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