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Discharges water off the system at a set pressure in the event of system over pressurisation (high for larger capacity systems) Reliance Valves 100 Series Pressure Relief Valves are made from hot pressed brass and are predominantly used to protect closed-circuit wet heating systems from overpressure
they prevent dangerous pressure surges while their replaceable membrane keeps water free from corrosion and allows swift maintenance access
Diameter: 160mm
2 to 17 Barg
Max Boiler Rating: 144
Altecnic / Caleffi 312 Series Safety Pressure Relief Valve 1/2" M x 15mm 4 Bar - 312405CST coi tech Discharges water off the systemDescription 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
US$ 59.99
US$ 31.87
US$ 11.99