DPXDE DPAXDE butterfly valve double sealing is available in the automatic version only. It combines two inter-flange butterfly valves linked by a sleeve acting as a chamber.
It is used in applications requiring a physical barrier.
Technical advantages
- From DN 25 to DN 150
 - Sleeve fitted with a leak microvalve
 - Possibility of adding a washing microvalve for cleaning the chamber
 - Flow on line without retention
 
Benefits
- Airlock connected to atmosphere with valves closed, enabling any fault on one of the valves to be visualised (non-contamination of a circuit by the other one)
 - Economical leak chamber valve technology
 - Chamber washing possible during cleaning phase (opening of one of the valves by activating an auxiliary solenoid valve)
 - Quick assembly and disassembly
 

