The servo-operated piston design with PTFE seal on the main orifice and steel valve plate in the armature secures a reliable function and long life in steam applications. Versions: EV245B used with BQ coil, ac voltage up to 185ºCEV245B used with BN coil, dc voltage up to 160ºCEV245B used with BB coil, ac voltage up to 160ºC or dc voltage up to 140ºC 2/2-way Specifically designed for steam applications, 160ºC or 185ºC Servo piston operated DN15 – DN25 Ambient temperature: +40ºC G1/2 to G3/4 Brass valve body NC (normally closed)