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Aseptic back-pressure valves are used to regulate a pre-defined pressure in aseptic processing plants (constant-pressure valve.) The desired product pressure is reached by supplying compressed air to the pneumatic actuator.
A welded stainless steel folding bellow is used to hermetically seal the valve spindle from outside contamination. This special design and the durable valve seat seal made of Tefasep® enables optimum process security. Back-pressure valves are commonly used in pasteurization and sterilization plants.
The available model is GD
Tefasep®, PTFE, EPDM, Viton
up to 10 bar
up to 150°C
Ra<0.8µm, optional Ra<0.4µm
- Modular design
- Hygienic design
- Designed for a standard back-pressure of 6 bar by default