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Watts 0382328 740, 740-050 Pressure Relief Valve, 3/4 in, FNPT, 50 psi, Iron Body, Domestic
WATTS 0382328 740-M1 3/4" RELIEF VALVE SET @ 50# WATER PRESSURE 3/4" INLET 1" OUTLET
Pressure Relief Valves
}
Brand: 
Watts 0382328 740, 740-050 Pressure Relief Valve, 3/4 in, FNPT, 50 psi, Iron Body, Domestic
1686367
MFG #: 0382328
Product ID:1686367
Famous Supply
- Media: Water
- Series: 740
- Temperature Rating: 250 deg f
- Nominal Size: 3/4 in
- End Style: FNPT
- Pressure Rating: 50 psi
- Body Material: Iron
- Domestic/Import: Domestic
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.
- Features
- Warranty
- Standards & Approvals
- Application
| 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 |
| Nonmetallic 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 |
| Limited |
| ASME Section IV |
| MIL-V-18634B |
| PROP65: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. |
| Pressure Protection of Hot Water Heating Boilers |