Pressure Relief Valve, 1 in, FNPT, Bronze
PartWTT174A1251
MFG0275404
Description
WATTS®, 0275404, Pressure Relief Valve, Series: 174A, 1 in Nominal, FNPT End Style, 125 psi Pressure, 250 deg F, Media: Water, Bronze Body, 3 in L x 5-3/4 in H Dimensions, Domestic
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- Soft seated
- Automatic reseating
- 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
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.
| Nominal Size | 1 in |
| End Style | FNPT |
| Material | Bronze |
| Body Material | Bronze |
| Dimensions | 3 in L x 5-3/4 in H |
| Domestic/Import | Domestic |
| Media | Water |
| Pressure Rating | 125 psi |
| Temperature Rating | 250 deg F |
| Brand | WATTS® |
| Package Width | 2.44 in |
| Package Height | 4.44 in |
| UNSPSC | 40141606 |
| Alternate Part Number 1 | 174A-125 |
| Package Length | 5.75 in |
| Country of Origin | US |
| Manufacturer | Watts Water Technologies |
| UPC | 098268013528 |
| Manufacturer Part Number | 0275404 |
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
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WATTS®Pressure Relief Valve, 1 in, FNPT, Bronze
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