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Stem seals

Collars and seals for installation on the cylinder shaft as individual seals or as secondary seals as part of a combined sealing system.

Configurations:

  • Symmetrical or asymmetrical lip construction designs; with/without support rings to prevent seal extrusion in high pressure cylinders and low friction seals consisting of a PTFE ring with fillers and an elastomer to give the seal the required elasticity, usually NBR or FPM.
  • Single and double acting part designs. Medium and high pressure hydraulics services.
  • Materials available: polyurethane (AU), nitrile (NBR), fabric reinforced nitrile and FPM.
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