Siemens 2-port VVF42 and 3-port VXF 42 control valves with flanged connections, PN 16.
• Performance valves for medium temperatures from -10…150 °C
• Valve body of grey cast iron EN-GJL-250
• kvs 1.6…400 m3/h
• Flange type 21, flange design B
• Equipable with Electro-motoric actuators SAX.., SAV.. or Electro-hydraulic 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.
For use in closed hydraulic circuits (observe cavitation).