Very maintenance friendly
easy and quick replacement of the seat due to the two-piece body, therefore low maintenance costs

Excellent control behaviour of the process flows without hysteresis
with firm, play-free disc/stem connection and centric valve disc

Valve design cavity-free
makes simple sterile cleaning possible and choice of body material independent from the medium

Long service life
seals tightly at full differential pressure even with very high switching cycles

Excellent bubble-tightness
Body lined completely with elastomer with the seat-ring as a multi-functional sealing element, easily exchangeable, maintenance-free, with long service life

Absolutely maintenance-free seal system
the bearing with O-ring prevents foreign substances from penetrating from the outside

Universal range of application
for almost all media, from use with acids to the sensitive food and pharmaceutical industrys

Economic and easy assembly of all actuator types
The GEFA-MULTITOP automation system allows direct mounting of all actuators with the interface according to DIN 3337