Hydrogenated Nitrile-Butadiene Rubber O-Ring, 70 Shore A, Broad Applicability (Prädifa Series N3813-70) | Product Series

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Hydrogenated Nitrile-Butadiene Rubber O-Ring, 70 Shore A, Broad Applicability (Prädifa Series N3813-70)

Hydrogenated Nitrile-Butadiene Rubber O-Ring, 70 Shore A, Broad Applicability (Prädifa Series N3813-70)

HNBR O-ring with very good cold flexibility and good mechanical robustness, black.

Technical Specifications

  • Division: Prädifa Technology Division
  • Minimum Operating Temperature: -40 °F, -40 °C
  • Inside Diameter: 1.78 to 183.74 mm
  • Cross Section Width: 1.5 to 5.33 mm
  • Polymer Material Options: Hydrogenated Nitrile Butadiene Rubber (HNBR, HSN)
  • Trade Name: N3813-70, N3813
  • Maximum Operating Temperature: 302 °F, 150 °C
  • Durometer: 70 Shore A
  • For Fluid Type: Broad Range
  • Industry: Automotive, Trucks & Buses, Oil & Gas, General Industrial
  • Specifications Met: AS 528, ISO 3601, BS 1806, BS 4518, JIS B2401, NF T 47-501, SMS 1586
  • Region of Origin: Europe
  • Color: Black

Full Product Description

The Parker Prädifa hydrogenated nitrile-butadiene rubber N3813-70 is suitable for a wide range of applications.



Special Features:

• Good cold flexibility

• Very good mechanical robustness

• Very good resistance against gap extrusion

• Very good life time



Chemical Resistance to:

• Air (oil-free)

• Compressed air (oily)

• ATF oils

• Dexron VI ATF

• Mobil 1 + 5% Sturaco 7195

• Methanol

• Ethanol

• Ethane

• Natural gas

• Petroleum (sulphur-free)

• Mineral oils (tests with NBR-1/ECI recommended prior to use with dynamic seals)

• Petroleum-based lubricating oils

• Lubricating oils SAE 10, 20, 30, 40, 50

• HFC (Water/polyglycol)

• HFAE (Oil in water emulsions; mineral oils / synthethic esters)

• HFAS (Mineral oil free, water-based synthethic fluids)

• PAO (Polyalphaolefines)

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Products Inside Diameter (mm) Width (mm)
020108N3813 6.02 2.62
020109N3813 7.59 2.62
020112N3813 12.37 2.62
020117N3813 20.29 2.62
020118N3813 21.89 2.62
020119N3813 23.47 2.62
020263N3813 183.74 3.53
060076N3813 18 2
060101N3813 28 1.5
060400N3813 27 1.5
060427N3813 57 3
061186N3813 55 4
060605N3813 10 3
050614N3813 9.93 2.62
061467N3813 77.5 2.62
061051N3813 142 4
020366N3813 183.52 5.33
061478N3813 31 1.5
060139N3813 22 2
060566N3813 40 2.5
060347N3813 11.4 2.1
060349N3813 15.4 2.1
020223N3813 40.87 3.53
060850N3813 32 2.5
020006N3813 2.9 1.78
020009N3813 5.28 1.78
020010N3813 6.07 1.78
020018N3813 18.77 1.78
060022N3813 24 2
020004N3813 1.78 1.78

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