Description
WATTS®, 0274496, Pressure Relief Valve, Series: 174A, 3/4 in Nominal, FNPT End Style, 30 to 150 psi Pressure, 250 deg F, Media: Water, Bronze Body, 2-3/4 in L x 4-1/2 in H Dimensions, Domestic
Features:
- 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
- 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
Applications:
Pressure Protection of Hot Water Heating Boilers
Standards/Approval:
- 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.
Warranty:
1 year Limited
