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Lionsele® SP

A five‑piece, double‑acting seal with split anti‑extrusion and wear rings.

  • Double-acting pistons
  • Industrial hydraulic systems

Lionsele SP is designed for use on spool type or single-piece pistons, and is also suitable for use on two-piece piston assemblies.

This seal comprises an elastomeric sealing element, two anti-extrusion rings and two rigid thermoplastic wear / guide rings.

The elastomeric sealing element has an interference fit with the housing to ensure sealing integrity even at low pressures. The anti-extrusion rings prevent extrusion of the sealing element at higher pressures, whereas the wear/guide rings act as bearings to align the piston within the cylinder bore.

  • Compact seal assembly that incorporates guide rings to minimise housing size
  • Robust product with anti-extrusion elements that extend operating life and minimise downtime
  • Suitable for both one-piece and split-type pistons

  • Double-acting cylinders on a wide range of industrial and mobile hydraulic systems

  • Maximum operating pressure: 42 MPa (6092 psi)
  • Temperature range: -20°C to +100°C (-4°F to +212°F)
  • Maximum surface speed: 0.5 m/s (98.4 fpm). For higher speeds, please consult our Technical Support Team.

  • Sealing element: Medium nitrile (NBR) elastomer
  • Anti-extrusion rings: High-performance polyurethane (AU/EU)
  • Wear/guide rings: Polyacetal (POM)

Suitable for use with most mineral-based hydraulic fluids, and most fire-resistant fluids of the water/oil emulsion and water/glycol types, at temperatures up to +100°C (+212°F). Also resistant to air, water and most lubricating oils and greases.

  • To suit housings to ISO 6547. Other sizes can be manufactured to order.
  • Fitting instructions are supplied with each seal
Related Downloads

Lionsele SP fitting guide

English pdf (135 KB) Download

Lionsele SP datasheet

English pdf (382 KB) Download

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