西门子调节阀VVF42C/VXF42C法兰座阀PN16水阀DN25-150

详情描述：

From the large-stroke valve line. For chilled, low and high temperature water and brine.
● Performance valves for medium temperatures from -10…150℃
● Valve body of grey cast iron EN-GJL-250 or higher
● DN 25…150
● kvs 6.3…400 m3/h
● Flange type 21, flange design B
● VVF42..KC with pressure compensation to handle high differential pressure
● Equipable with electro-motoric actuators SAX.., SAV… or electrohydraulic actuators SKD.., SKB.., SKC..
In boiler, district heating and refrigeration plants, cooling towers, heating groups, in ventilation and air-handling units as control or shutoff valves. VVF42..C, VXF42..C: For use in closed hydraulic circuits (observe cavitation). VVF42..KC: For use in closed or open hydraulic circuits