Stiebel Eltron 227420 accessories heating hydraulics HUV 1 changeover valve

Installation length (pitch dimension): 250mm, Suitable for: heating systems, Protection class (IP): IP54, Three-way changeover valve for use in heating and source circuits for passive and active cooling applications, for example. The valve is equipped with a servomotor and is adapted to both hydraulic and electrical solutions. Characteristic curve A - AB: equal percentage Characteristic curve Bypass B - AB: linear Control ratio Sv: greater than 100 Leakage rate A - AB: max. 0.05% of the kvs value Leakage rate Bypass B - AB: max. 1% of the kvs value