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3/4" 790-85 850K Relief Valve
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3/4" 790-85 850K Relief Valve
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$194.32 each
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Easy Returns No restocking fee for 90 days

Product Highlights

Size icon
3/4"
Pressure Set Point icon
85 psi
Capacity (BTU) icon
850000 BTU Capacity
Material icon
Bronze
Max Pressure (PSI) icon
125 PSI
Connection Type icon
Threaded Connection

Description

3/4" 790-85 850K Relief Valve

Product 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)

Specs

Size:

3/4"

Capacity (BTU):

850000

Material:

Bronze

Max. Working Pressure:

125 PSIG

Max Pressure (PSI):

125

Pressure Set Point:

85 psi

Connection Type:

Threaded

Max Pressure (PSIG):

125

Application:

Heating

Temperature Range (F):

250°F Max

ASME:

Yes

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Ordered the wrong product? Item damaged in transit? Our 3-step process makes returning products easy – even up to a year after purchase – with no restocking fees on returns made within 90 days.
Return Policy