110121 | 790-30 790K Relief Valve | Bell & Gossett
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Brand: Bell & GossettSKU: 110121

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110121 | 790-30 790K Relief Valve | Bell & Gossett

Bell & Gossett | 110121
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Overview

Details for 110121

790-30 790K Relief Valve

Features:
  • 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)

Specifications

Item Number 110121
Brand Bell & Gossett
Application Heating
ASME Yes
Capacity 790000 BTU/hr
Connection Type Threaded
Material Bronze
Max Pressure (PSI) 125
Max Pressure (PSIG) 125
Max. Working Pressure 125 PSIG
Pressure Set Point 30 psi
Size 3/4"
SubType Pressure Release Valve
Temperature Range (F) 250°F Max
Type Relief Valve

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