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3/4 in Pressure Relief Valve 30 to 150 psi Bronze
WATTS 0274751 ### DO NOT BUY REPLACED BY F274751 .3603055 ### 174A-M3 RELIEF VALVE 3/4" SET @ 125# WATER PRESSURE
Pressure Relief Valves
}
3/4 in Pressure Relief Valve 30 to 150 psi Bronze
542306
MFG #: 0274751
Product ID:542306
Famous Supply
- Dimensions: 2-3/4 in L x 4-1/2 in H
- Media: Water
- Series: 174A
- Temperature Rating: 250 deg f
- Nominal Size: 3/4 in
- End Style: FNPT
- Pressure Rating: 150 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.
- 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 |
| In 5 psi (34.5 kPa) increments from 30 to 150 psi (2 to 10 bar) with corresponding high ratings from 650000 to 14370000 Btu/hr pressure |
| 1 Year Limited |
| Military Spec MIL-V-18634B |
| Type I |
| Class 3A |
| Style A (Bronze Body) |
| Style B (Iron Body) and National Board of Boiler and Pressure Vessel Inspectors to the requirements of ASME |
| 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 |