Double-seat valves can be used as single valves or in a valve group (valve block) and form the interface between separate pipe systems.
Double-seat valves reliably separate the media from each other or transfer the media from one piping system to the other without loss.
Handtmann double-seat valves
- Valve cleaning via the switching function and the integrated leakage chamber cleaning
- Equipment with upper/lower balancer
- Flushing chambers for the balancer CIP
- Valve disc divided with profile packing
- Variable flow direction
- Pressure shock-resistant, very compact design
TOP equipment
- Reliable separation of media
- Leakage-free switching process
- Hygienic design for product chamber
- Closed, hygienic valve housing
Technical Documentation
DE | Operating Manual DSV Type 491
EN | Operating Manual DSV Type 491
ES | Operating Manual DSV Type 491




