Proximity switches in hydraulic cylinders detect the end positions of the stroke. In the Ratio-Clamp® clamping unit, the proximity switch detects the locked or unlocked clamping status.
Proximity switch
for hydraulic cylinder
Proximity switch
for clamping unit
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If the o-ring with back-up ring is damaged, we recommend replacing the entire proximity switch.
Replace the o-ring [5] on the eccentric holding nut as follows (only for clamping unit):