NABIC 1.1/4" 8.5 Bar Safety Relief Valve

Applications: the Fig 542 safety valve is an extremely versatile valve, suitable for use on hot water, steam or air. Although designed primarily for the protection of hot water boilers, its wide range of applications make it ideal as a general purpose safety valve. Construction: the Fig 542 is of gunmetal construction with diaphragm protected working parts and PTFE to metal seating. All wetted parts manufactured from dezincification resistant materials, approved by the Water Research Centre for use on potable water. Inlet and outlet connections are of equal size, with female threads to BS 21. Sizes from DN32 upwards are also available with flanged inlet connections. Note: Due to pressure setting and certification of this product normal delivery will be up to 3 working days (manufacturers stock permitting), although a quicker service maybe available if required, please contact sales. Features: Resilient PTFE seating designs. High degree of seat tightness. Suitable for hot water, steam or air. Diaphragm protected working parts. Safe manual testing. Easy inspection and cleaning. Pressure setting locked and sealed. Designed and tested to BS 6759. Capacities certified by ATOC. Approved by Water Research Centre. UKWFBS listed. We have listed all the popular sizes and pressure ratings, however other variations are available.