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the valve opens automatically
Construction: All brass body
when the discharge pressure is reached the valve opens and discharges to the atmosphere
Discharge Capacity: 50kW
Misc: Comes complete with wall bracket accessories
Altecnic / Caleffi 311 Series Safety Relief Valve 3/4" x 3/4" F x F 6 Bar - 311560 250 litre the valve opens automaticallyDescription This is a stock item. Order by 5pm Monday to Thursday and 4. 30pm Friday for same day despatch. The Altecnic Caleffi series 311 and 312 safety relief valves are used in domestic hot water systems to protect the hot water cylinder and in heating systems to protect boiler and other components. The valve is selected for the required set pressure. As the pressure rises, when the discharge pressure is reached the valve opens and discharges to