Used in radiator heating systems or underfloor heating systems. Installed on manifolds/distributors to shut off the heat transfer fluid supply in case of failure or maintenance. Operating temperature: 0–110°C Pressure: PN25 Thread: ISO 228 Thread type: FI – FE Brass body. Operating butterfly handle – aluminum. Dimensions: D = 1″ H = 90 [mm] L = 69 [mm] l = 42.5 [mm]