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Piston seals TPM

The TPM seal has long been successfully used on single-piece pistons of double-acting hydraulic cylinders. Thanks to its design, it represents an excellent technical and economic solution, as it ensures excellent sealing under medium operating pressures and simplifies the machining of metal parts.

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The TPM seal has long been successfully used on single-piece pistons of double-acting hydraulic cylinders. Thanks to its design, it represents an excellent technical and economic solution, as it ensures excellent sealing under medium operating pressures and simplifies the machining of metal parts.

It is composed of 5 elements (a central part in NBR, two support rings in thermoplastic material, and two guide rings in acetal), and is available in two versions (TPM and TPM/E) which differ only in the profile of the central sealing ring. The special materials used in its production ensure low friction even under high pressures. In addition to the standard versions, it can be manufactured with special materials suitable for high temperatures.

GENERAL FEATURES:

  • Easy to install
  • High abrasion resistance
  • High extrusion resistance
  • Low deformation value

Technical features

Metal Insert Spring Compound Min./Max. Temperature (°C) Speed (m/s) Pressure (MPa)
NBR/POM/TPE -30 / +110 0,5 35
NBR/POM/TPE -30 / +110 0,5 35
VITON/PTFE BRONZO/TPE -20 / +200 0,5 35
VITON/POM/TPE -20 / +200 0,5 35
BRIT/POM/TPE -50 / +100 0,5 35
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