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Watts 0275824 174A, 174A-050 Pressure Relief Valve, 1-1/4 in, FNPT, 50 psi, Bronze Body, Domestic
WATTS 0275824 174A-M1 1-1/4" RELIEF VLV SET @ 50# WATER PRESSURE
Pressure Relief Valves
}
Watts 0275824 174A, 174A-050 Pressure Relief Valve, 1-1/4 in, FNPT, 50 psi, Bronze Body, Domestic
542315
MFG #: 0275824
Product ID:542315
Famous Supply
- Dimensions: 4-1/4 in L x 8-1/2 in H
- Media: Water
- Series: 174A
- Temperature Rating: 250 deg f
- Nominal Size: 1-1/4 in
- End Style: FNPT
- Pressure Rating: 50 psi
- Body Material: Bronze
- Domestic/Import: Domestic
Series 174A Boiler Pressure Relief Valves are used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment. It consists of a bronze body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non-metallic disc-to-metal seating, stainless steel spring, and test lever. Series 174A resists corrosive water conditions, 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. Standard Pressure Setting: 30psi (206.9 kPa), Pressure Range: In 5psi (34.5 kPa) increments from 30 to 150psi (2 to 10 bar) with corresponding high ratings from 650,000 to 14,370,000 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 |