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Glass-filled Polyamide Wear Ring

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ST-XL (Hallite 520) wipers are direct replacements for ST or D wipers.


Designed to have interference in the seal housing groove and has a secondary lip. The secondary sealing lip located behind the primary sealing lip improves stability of the seal in the gland.

The inner dynamic lip is shorter and more robust to improve sealing and compression set characteristics over conventional, symmetrical U-seals.

The seal can be considered for use in heavy-duty applications when used with a suitable full depth back-up ring. The sealing lips are precision trimmed at an angle to give optimal rod sealing performance.

SKU: 612-225-050

Glass-filled Polyamide Wear Ring

The Hallite 533 is capable of withstanding high side loads and preventing metal-to-metal contact between the piston and the bore or the rod and the gland.

$7.07 / EA

The PA 533 material is heat stabilised 33% glass reinforced nylon 66, which offers excellent bearing properties.

Compatible with hydraulic and lubricating oils. The PA 533 material is not recommended for use in water based fluids (HFA) or where significant water is present, due to the swell of the nylon.

Item Specifications

  • Hallite
  • Glass-Filled Nylon
  • 612 / 533
  • 16 ft/sec
  • -40 to +250 F
  • inch
  • 0.02 lbs per EA