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GEA Tuchenhagen
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Two-position Stop

Using a two-position stop, a pneumatically controlled valve can be driven - in addition to the closed position - into two reprocucible positions. Actuation of a partial and a full stroke as well as two partial strokes are possible using adjustable mechanical limit stops. Separate pneumatic connections are used for the valve actuation.


The two-postion stop is not used on valves with a downward opening stroke such as the VARIVENT® valve, type U or valves with a spring-to-open function and in the radial sealing VARIVENT® mixproof valves type R_L and type T_R with lifting actuator. The installation of a control module on the two-position stop is not possible.


Typical use: Coarse and fine flow adjustment of dosing and weighing.