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Instantly add the Light Load U-Cup Seal with Beveled Lip (8400) and 50,000+ more product series to your store or catalog  
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Light Load U-Cup Seal with Beveled Lip (8400)

Light Load U-Cup Seal with Beveled Lip (8400)

Brand: Parker Hannifin
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Parker's 8400 Profile U-cup is a light load, symmetrical lip seal for use in either rod or piston sealing applications. 

The thin, flexible lip design reacts to low pressure and provides an extremely smooth, steady movement with less break away force required because of the inherent low friction. 

The 8400 style utilizes a beveled lip, ideal for wiping fluid film. Available in a variety of elastomer compounds to cover a wide range of applications. 

The 8400 U seal is primarily designed for pneumatic applications to 250 psi, however, it can also be used in low to medium pressure hydraulic applications. 

The pressure range of the U ring seal may be extended by incorporating an 8700 Series anti-extrusion back-up.

Specifications

Brand

Color

  • Black

Compatible Hydraulic Fluid

  • Oil, Fuel, Low Temp Water, Drilling Mud, Water Glycol, Acide/Base, Water, Steam, Acid, Skydrol, Air

Fluid Compatibility

  • Airl Oil, Broad Range, Water/Steam

Groove Width

  • 0.062 to 0.500

Industry Standards

  • None

Length Unit of Measure

  • inch

Maximum Pressure (psi)

  • 2000 psi - Oil, 250 psi - Air

Maximum Surface Speed Air (m/sec)

  • 1

Maximum Surface Speed Oil (m/sec)

  • 0.5

Maximum Working Temperature (°F)

  • 400° F

Media

  • Multiple

Minimum Working Temperature (°F)

  • -65° F

Nominal Hardness

  • 80A, 90A, 85A

Nominal Hardness Range

  • < 90 A, 90 A

Polymer Family

  • NBR (Nitrile-Butadiene), FKM, FPM (Fluorocarbon), EPDM, EPM, EPR (Ethylene Propylene Rubber), XNBR (Carboxylated Nitrile-Butadiene)

Pressure Range (psi)

  • Hydraulic to 2000 psi

Seal Type

  • Light Load Symmetrical U-Cup with Beveled Cut ID & O.D. Lip Style

Thermal Application (°F)

  • Low Temperature (< -30° F), Standard Temperature (-30° to 250° F), High Temperature (260° to 400° F), Expanded Low & High Temperature (< -30° F, > 250° F)

Documentation

Data Sheets

Certifications & Approvals

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