This valve is built with a brass body and sealing, offering reliable performance in various systems. It’s equipped with a stainless steel spring and a hot water-resistant rubber membrane, ensuring safety up to 140°C. The valve also features a manual discharge tap made of durable, anti-shock resin. Factory set to 7.0 Bar, this WRAS-approved valve is ideal for maintaining safe pressure levels in your system. Technical Specifications: 7 Bar Pressure Relief Valve 1/2″ FBSP x FBSP Connections Factory Set Pressure: 7.0 Bar Normal Type: Diaphragm Safety Valve Body: Brass CW617N Manual Discharge Knob: Plastic Spring: Ni-Cr steel Operating temperature range: -10°C to 110°C Max. Glycol Percentage: 50% WRAS Approved Size: 1/2″ BSP