General description This is a good quality valves set with a 1/2" male iron tail that will fit most domestic radiators. Also included is a 15mm lockshield valve for fitting to the other end of the radiator. Technical specifications Type: Inline Body: Brass Colour: Chrome Thread sizes: 1/2" BSP (15mm) Max. working pressure: 10 bar Max. working temperature: 120°C 100% leak test with an electronic system