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740-040 2

Part of the 740 Series

Ordering Code: 0384240

UPC: 098268019650

Lead Free: Not In Scope

2 In Iron Boiler Pressure Relief Valve, 40 psi, Expanded Outlets

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/hr.

Product Features

  • Soft seated
  • Spring loaded
  • Automatic reseating
  • Iron body
Body Material Iron
Brand Name Watts
EANUCCCode 098268019650
Inlet Connection Size 2 IN
Inlet Connection Type Female Threaded
Inlet Thread Type NPT
Lead Free Not In Scope
Maximum Temperature-Fahrenheit 250
Outlet Connection Size 2 1/2 IN
Outlet Connection Type Female Threaded
Outlet Thread Type NPT
Part Number 0384240
Pressure Range 30 to 75 PSI
Pressure Relief Setting-PSI 40
Pressure Steam Discharge Capacity 6461000 BTU per hour at 40 PSI
Protection Type Pressure
Series 740