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Catalogue Technical Specification

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GN8170 Indexing Plunger, Stainless Steel, Full Hygienic Design



GN8170: Indexing Plunger
Type: B - Identification: VH


GN8170: Indexing Plunger
Type: C - Identification: VH

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Series Selector


Identification VH - Knob and Pin side Hygienic Design (full hygiene)

Type - without rest position

Type C - with rest position

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Product Description

GN8170 Indexing Plunger, Stainless Steel, Hygienic Design

These GN 8170 stainless steel indexing plungers are intended for use in hygienic areas. The wiper between the pin and guide keeps the mechanics sealed, and the high surface quality and lack of dead spaces prevents dirt from adhering and facilitate cleaning.

The type FH has a knob which satisfies hygienic requirements. For uses in which the bolt is also subject to hygienic requirements, the type VH is used. Mounting holes and through-holes in the housing must be at a right angle, free of burrs and without a chamfer. This ensures that the sealing rings will function after being mounted.

Indexing plungers with a rest position are used for such applications where the plunger has to stay in its retracted position. In that case, the knob is retracted and afterwards turned by 90°. A notch keeps the plunger in this position.


Stainless Steel - AISI 316 (A4), Plunger pin case hardened

Spring - Stainless Steel AISI 301

Seals, blue, FDA compliant - temperature resistant -25 °C to +150 °C

Sealing ring H-NBR, hardness 85 ±5 Shore A

Wiper TPU, hardness 95 ±5 Shore A

All moving parts lubricated with FDA-compliant special grease

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GN8170 Indexing plungers Stainless Steel. Hygienic Design

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