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Lockable Indexing Plungers

JW Winco adds the GN 814 stainless steel lockable indexing plungers designed to protect against unauthorized or accidental operation.

2022 11 Gn814 Lockable Indexing Plunger

JW Winco’s lockable indexing plungers feature a lock integrated into the black plastic head. On types A and AK, the plunger pin is secured in the front position by turning the key 180 degrees and removing it. The plunger then cannot be moved out of the base position. On types E and EK, the plunger pin can also be secured in the rear position, offering a lockable way to prevent the plunger from engaging, which is useful in situations where the plunger pin must be kept from protruding at times. On all types, the key can also be pulled out in the unlocked position to prevent unauthorized locking.

The stainless steel indexing plunger is available with two different lock versions: Lock type SC allows all indexing plungers in use to be operated with the same key, while lock type SU requires a different key for each indexing plunger.

To prevent unauthorized disassembly or adjustment of the indexing plunger, the hex nut used for screwing the part in or out is only accessible while it is unlocked and the head has been pulled back. A lock nut is available as an optional accessory that can be ordered with the type designations AK or EK with the appended “K” signifying a lock nut.

In some cases, it may be useful to additionally secure the indexing plunger and the lock nut against manipulation by gluing or welding them.


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