GN 615.9 Ball spring plungers

with friction block bearing, steel or stainless steel

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Technical specifications

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Main specifications

Friction block bearing

Technopolymer.

Spring

AISI 631 stainless steel.

Standard executions

Black-oxide steel threaded body, hexagon socket head:

  • GN 615.9-K: hardened steel ball, normal end-force spring.
  • GN 615.9-KS: hardened steel ball, spring with heavy end-force.

Black-oxide AISI 303 stainless steel threaded body, hexagon socket head.

  • GN 615.9-KN: AISI 420C hardened stainless steel ball, normal end-force spring.
  • GN 615.9-KSN: AISI 420C hardened stainless steel ball, spring with heavy end-force.

Max. working temperature

90°C.

General information

Features and applications

GN 615.9 ball spring plungers are the result of a further development of GN 615.8 for special applications, which require adjustment or positioning by means of a hexagon socket screw. They are used for the pressure and block function, obtained thanks to the presence of a technopolymer friction block bearing.

The ball is mounted in the friction bearing which, while allowing mobility, makes locking much more effective.

The technopolymer bearing also acts as an electrical insulator.

Elesa
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