Watts Series 174A Bronze Expansion Relief Valve EDP279150
Size: 1" FBSP X FBSP screwed connection
Preset pressure: 3 bar
Kilo wattage Discharge: 387 kw/hr
Pressure range 3 - 150 psi (2 to 10 bar)
Operating temperature range: Min. 1 degree C Max: 140 degrees C
Body: Bronze screwed BSP female
Stainless steel spring
Teflon seat (avoids sticking)
EPDM membrane
Function
Series 174A bronze body pressure relief valves are for pressure protection only of all types of hot water heating boiler equipment and hot water space heating boilers with manual lever. This series has a pressure range of 30 to 150 psi (2.1 - 10.3 bar) with corresponding high rating from 650,000 to 14,370,000 BTU/hr
