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S.F. Components GmbH

Plunger guide elements of polyacetal (POM)

FPL guide rings of polyacetal (POM) are glass-reinforced. The ring guides the piston rod in the plunger cylinder, thus preventing mechanical contact between the moving components and absorbing any side loads that occur.

Guide rings of polyacetal (POM) exhibit good friction behaviour, stick-slip-free operation, high load-bearing capacities and optimum wear resistance.

POM guide elements are manufactured by the injection moulding process and are supplied ready to install. The profile is rectangular and bevelled or rounded at the edges in order to avoid impermissible edge compression in the groove corners and to facilitate fitting in the groove.

The dynamic side is provided with axial oil notches in order to facilitate flow-back of the medium. The guide rings are generally pre-formed and provided with a diagonal cut.

Benefits

  • Good friction and wear behaviour
  • No stick-slip effect
  • High wear resistance
  • High load-bearing capacity
  • Medium bypass ensured by multi-channel design
  • Simple installation by snapping into the groove

Application ranges

Velocity:reciprocating up to 0,8 m/s
Temperature:- 40° C to + 120° C
Stat. compressive strength:up to 40 N/mm²
Material KT200:up to 350 N/mm²

Material

Guide rings of glass-reinforced polyacetal are suitable for medium-duty applications. The ring can also be provided in a special design under the designation KT200 / KT100 for heavy-duty applications as a laminated fabric construction with synthetic fibres bonded with phenolic resin and PTFE.

The materials selected cover a wide range of applications in hydraulics.

Individual dimensions can also be provided to your specifications.

Directives

All information and values stated concerning our product portfolio are based on the knowledge optained through a long experience of manufacturing and application.
These figures are for indicative purposes only and may vary (exceed or deceed) according to the particular circumstances. Unknown factors in the applications and practice can considerably change the conditions and reduce and change statements, which may cause the above information to be invalid.
No liability can be accepted for any mistakes or omissions, error and subject to change without prior notice.

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Plunger guiding

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