NABIC Pressure Relief Valve The NABIC 4bar 1/2in BSP female pressure relief valve is designed for the protection of hot water boilers. This valve has gunmetal construction with diaphragm protected working parts and has PTFE to metal seating. Its wide range of applications makes it a general-purpose safety valve. It is suitable for hot water, steam and air. Features and Benefits High degree of seat tightness
Safe manual testing
Easy inspection and cleaning
Pressure setting locked and sealed
Body material is bronze
Maximum operating temperature is 195°C Certifications UKWFBS approved
WRC approved
AOTC approved
BS6759
BS21