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Pressure Relief Valve 3/4" FPT 30 psi 550k BTU

Item #:740-3/4-30 
Manufacturer Item: 0382008
Manufacturer: WATTS REGULATOR CO
Watts Water 740-3/4-30 Pressure Relief Valve 3/4" FPT 30 PSI
740-3/4-30
Series 740 Boiler Pressure Relief Valves are used in hot water space heating boiler applications to protect against excessive pressure on all types of hot water space heating boiler equipment. It consists of a iron body construction with expanded outlet drain connections for hot water space heating boilers, non-metallic disc-to-metal seating, stainless steel spring, and test lever. Series 740 offers large discharge capacity, resists corrosive water conditions, resists sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief and shall not be used as an operating control. Pressure Range: 30 to 75psi (2 to 5 bar) with corresponding high ratings from 925,000 to 10,700,000 BTU.
  • Seat located above drain, water can't be trapped and sediment can't foul seat
  • Non-mechanical seat-to-disc alignment will not stick or freeze
  • Water seal of high temperature resisting material isolates spring working parts from water during relief
  • Non-metallic disc-to-metal seating
  • The discharge line must be the same size as the valve outlet and must pitch downward from the valve to a safe place for disposal
  • Valve lever must be tripped at least once a year to ensure that waterways are clear, this device is designed for emergency safety relief and shall not be used as an operating control

Valves Relief and Pressure

Brand Name
Watts Water
Type
Relief Valve
Pressure Setting
30 LBS
Inlet Size
3/4" FPT
Outlet Size
1" FPT
740-3/4-30
Pressure Relief Valve 3/4" FPT 30 psi 550k BTU
Quantity: