德國(guó)海隆電磁閥，8020750.0247.02400 Valve for high-viscosity and contaminated media Switching function: normally closed closed by spring force, opened by pilot pressure Flow direction: as required 2/2-way valves DN 15 to 50 For neutral gases and liquids Pressure actuated by external fluid Diaphragm valves Interal thread G 1/2 to G 2 Operating pressure 0 to 10 bar Description (standard valve) Mounting position: as required Process fluid characteristics / Valve material Fluid temperature: –10 °C up to max. +80 °C Ambient temperature: –10 °C up to max. +55 °C Body: Grey cast iron