Specialty-material seal

  • 01-May-2015 10:53 EDT
Glyd_Ring_D_O-Ring_aufgeschnitten_olive1297_res_740.jpg

Zurcon Glyd Ring D from Trelleborg Sealing Solutions offers a combination of improved sealing performance and service life, through optimized contact pressure and minimized heat generated from friction. To achieve this, adequate friction is ensured with an innovative design that incorporates two special grooves in the D-shaped profile of the seal to sustain an oil film for sufficient lubrication of the seal against its counter surface. The new Glyd Ring D is manufactured from Zurcon Z13 polyurethane material, which has been specially developed to cope with pressures up to 500 bar (7250 psi) at both sides of the seal and at temperatures up to 120°C (248°F). The seal therefore gives long life, even under demanding conditions. Offering improved mechanical and elastic properties, the seal loses none of its resilience and can be used in cylinders with lower quality inner walls. Core industrial applications for Zurcon Z13 Glyd Ring D include construction machinery, earthmoving equipment, mobile cranes, forklift trucks, and any other solutions involving mobile hydraulics. The seal is compatible with hydraulic, mineral, synthetic, and water-based fluids and with a hardness of 60 shore D offers enhanced wear resistance, extrusion properties, and hydrolysis resistance.

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