GN 514-A4 Indexing Plungers

with locking device, stainless steel

 
 

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Technical specifications

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Main specifications

Types

  • Type A: with plastic knob, without lock nut
  • Type AK: with plastic knob, with lock nut
  • Type AN: with stainless steel knob, without lock nut
  • Type ANK: with stainless steel knob, with lock nut

AISI 316 stainless steel     A4

  • Plunger

AISI 316 stainless steel

Case hardened

  • Compression spring

Stainless steel 316Ti

Knob (type A / AK)

Polyamide based (PA) technopolymer

  • Black, matte finish
  • Not removable

Knob (type AN / AKN)

  • AISI 316 stainless steel
  • Not removable
General information

Features and applications

GN 514 indexing plungers base their operation on the cardioid mechanism. They offer very ergonomic operation that requires only repeated pressing of the knob. Thanks to their functional principle, they are well suited for use in tight conditions and are also easy to protect against improper operation, if necessary.

First the plunger pin is brought into the protruding position by pressing the knob. In this position, the cardioid curve mechanism automatically engages to lock the part. Pressing the knob again unlocks the mechanism since the plunger pin retracts automatically by spring force once the button is released. The plunger pin must not be subjected to any axial forces and must move easily.

The stainless steel design is suitable for applications in highly corrosive environments thanks to the A4 materials used.

GN 514-A-A4 - With plastic knob, without lock nut 
Description of function

Description of function

  • In the protruding position, the plunger pin protrudes by distance l1 and is locked.
  • The knob is pressed by distance w1, thereby unlocking the plunger pin.
  • Then the plunger pin is retracted by the compression spring and held in the retracted position.
  • The knob is pressed by distance w2 and locks again in the protruding position after release.
GN 514-A-A4 - With plastic knob, without lock nut 
Elesa
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