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Four-piece Merkel Compact Seal L 27 comprising one pre-load component (NBR), two active back-up rings (POM) and one PTFE bronze profile ring.
The Merkel Piston Seal L 27 is used where a piston has pressure on both sides. The activated back-up rings offer good protection against extrusion even with gaps for breathing.
• Bridges large radial gaps
• Very good protection against extrusion even with pressure peaks
• High resistance to abrasion
• Low friction, free of stick-slip
• High contact pressure due to elastomer profile ring