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Add the Back-Up Ring Praedifa Series N0300-90, Nitrile-Butadiene Rubber, 90 Shore A, Broad Applicability, Black, Parbak® to your store or catalog  
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Back-Up Ring Praedifa Series N0300-90, Nitrile-Butadiene Rubber, 90 Shore A, Broad Applicability, Black, Parbak®

Brand: Praedifa

Parbak® back-up rings are made from hard elastomers and prevent migration of O-rings into the sealing gap when subjected to high pressures.

Parbak® is a Parker standard rubber back-up ring of contoured design which improves the sealing effect and increases service life. It is intended for use in dynamic and static seal applications.
Features
  • Elastic memory permits Parbak® rings to be stretched into place for assembly without preconditioning or cutting
  • Continuous construction prevents damage to the O-ring seal
  • Lubrication is enhanced by rubber which absorbs system fluid and does not plate out on rubbing surfaces
  • For a wide temperature range from -55 °C to 105 °C
  • Compatible with a wide range of fluids such as Skydrol, Pydraul, Houghto-Safe, HydroDrive

Specifications

Brand

Cushioning Mechanism

  • No

Length Unit of Measure

  • mm

Maximum Working Temperature (°C) Range

  • 105° C

Media

  • Hydraulic

Minimum Working Temperature (°C) Range

  • -55° C

Polymer Family

  • NBR (Nitrile-Butadiene)

Thermal Application (°C)

  • Low Temperature (< -35° C)
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