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Machined PTFE Wear Rings for Rods (PDW)

Brand: Parker Hannifin

PDW-Rod Profile, Machined PTFE Wear Rings are available from Parker in a variety of PTFE blends and provide excellent low-friction and high temperature performance in pneumatics and light-duty hydraulics. 

PTFE compounds 0401, 0307, and others have outstanding chemical compatibility with a wide range of fluids. 

Polyacetal, nylons, molybdenum disulfide, and many different PTFE filler combinations are also available for specialized applications. 

Composite, fabric-reinforced resins are also available to accommodate sideloads far more severe than glass-loaded nylon compounds can withstand. 

Composite resins also resist moisture swell in water-glycol emulsions and other water-based fluids. 

Part numbers are shown for standard sizes and hardware dimensions and may be produced in virtually any width from 0.125 to 2.000, and larger, based upon rod diameter. 

The final four “XXXX” characters in the part number reflect wear ring width based upon desired size

Specifications

Applications

  • High Temperature Polyester-based Fabric-Reinforced Resin Filled with MoS2 for Low Friction, N
  • High Temperature Vinyl-ester Based Fabric-Reinforced Resin Filled with PTFE. Internally Lubricated for Dry Running.
  • Various, Including Those Requiring:

Color

  • Yellow, Gray, Pink, Black, Bronze

Configuration Type

  • Angle Cut Part Numbers Shown. Butt Cut & Step Cut Available. See Support Document for Part Numbering.

Fluid Compatibility

  • Oils, Water, Ultra Broad Range

Groove Width

  • Calculated to Equal: Wear Ring Width +0.010”

Maximum Working Temperature (°F)

  • 575° F

Media

  • Multiple

Minimum Working Temperature (°F)

  • -250° F

Polymer Family

  • CTR (Composite Thermoset Resin), PTFE (Polytetrafluoroethylene)

Thermal Application (°F)

  • Low Temperature (< -30° F), Expanded Low & High Temperature (< -30° F, > 250° F)
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