Valves
ITEM NUMBER : 274431 | Valves
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 NPT threaded female inlet and NPT threaded female outlet (drain) connections, non-metallic disc-to-metal seating, stainless steel spring, and test lever.
FEATURES
- Series 174A resists corrosive water conditions, sticking and freezing
- Prevents water and sediment from being trapped in seat
- Designed for emergency safety relief, not to be used as an operating control
- Standard Pressure Setting: 30 psi (206.9 kPa)
- Pressure Range: In 5psi (34.5 kPa) increments from 30 - 150 psi (2 - 10 bar)
- Corresponding high ratings from 650,000 to 14,370,000 BTU/hr
- Seat located above drain, water can’t be trapped, sediment can’t foul seat
- Non-mechanical seat-to-disc alignment will not stick or freeze
- Water seal of high temperature resisting
| PART NUMBER | SIZE | ||
| 274431 | 3/4" NPTF |
|
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