Hydrogenated Nitrile 80 Durometer O-Ring High Temp Hydraulics (KB162-80) | Product Series

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Hydrogenated Nitrile 80 Durometer O-Ring High Temp Hydraulics (KB162-80)

Hydrogenated Nitrile 80 Durometer O-Ring High Temp Hydraulics (KB162-80)

Parker's hydrogenated nitrile (HNBR, HSN) O-rings are very compatible with oils and gases.

Technical Specifications

  • Inside Diameter: 0.029 to 25.940 inch
  • Width: 0.04 to 0.275 inch
  • Polymer Material Options: Hydrogenated Nitrile Butadiene Rubber (HNBR, HSN)
  • Trade Name: 21378
  • Thermal Application Type: High Temperature (260 to 400°F)
  • Durometer: 80 Shore A
  • Minimum Operating Temperature: -25 °F
  • Maximum Operating Temperature: 300 °F
  • For Fluid Type: Oil
  • Industry: General
  • Specifications Met: None
  • Region of Origin: North America
  • Internally Lubricated: No
  • Color: Black
Safety Warning

Full Product Description

Parker's hydrogenated nitrile KB162-80 (HNBR, HSN) is a synthetic polymer that results from the hydrogenation of nitrile rubber (NBR). Superior mechanical characteristics, particularly high strength, helps reduce extrusion and wear.

• Heat resistance — Up to 150°C (300°F)
• Cold flexibility — Down to approximately -32°C (-25°F)

Used for oilfield, high temperature hydraulics

Chemical resistance
• Aliphatic hydrocarbons
• Vegetable and animal fats and oils
• HFA, HFB and HFC hydraulic fluids
• Dilute acids, bases and salt solutions at moderate temperatures
• Water and steam up to 149°C (300°F)
• Ozone, aging and weathering

Not compatible with:
• Chlorinated hydrocarbons
• Polar solvents (ketones, esters and ethers)
• Strong acids

*Custom sizes and coatings/markings are available upon request. Contact Parker O-Ring & Engineered Seals Division at 859-269-2351 for design and pricing assistance.

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