Piston valve flow measurement utilises a piston resting in the valve seat of a housing that moves vertically in the direction of the flowing medium, the travel of the piston being proportional to the flow rate.
The Senseeca (GHM Honsberg) VD-GR flow switch uses flow volume to raise a piston from a valve seat against a spring force. The piston actuates a hermetically separated reed switch via a magnetic coupling.
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The Senseca (GHM Honsberg) VD-GK flow switch uses flow volume to raise a piston from a valve seat against a spring force. The piston actuates a hermetically separated reed switch via a magnetic coupling.
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The Senseca (GHM Honsberg FF-GR) flow switch uses flow volume to raise a piston from a valve seat against a spring force. The piston actuates a hermetically separated reed switch via a magnetic coupling.
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The Senseca (GHM Honsberg) FM-GR flow switch uses flow volume to raise a piston from a valve seat against a spring force. The piston actuates a hermetically separated reed switch via a magnetic coupling.
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