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Parker O-Ring

O-rings are circular sealing elements with circular cross-sections, and are mainly used in static applications. The sizes are specified by the inside diameter and the cross section diameter. Our O-rings are manufactured according to metric and imperial international standards such as AS 568B, DIN ISO 3601 and JIS. Custom sizes of almost any dimension are possible, such as miniature O-rings, special O-rings with large dimensions and continuously molded and spliced cord. We utilize O-Ring compounds formulated to meet the most stringent industry standards, including FDA, USP, KTW, DVGW, BAM, WRAS (WRC), NSF, Underwriters Laboratories (UL), Aerospace (AMS) and many customer-specific requirements.

What is an O-ring?

An O-ring is a torus, or doughnut-shaped ring, generally molded from an elastomer, although O-rings are also made from PTFE and other thermoplastic materials, as well as metals, both hollow and solid. This handbook, however, deals entirely with elastomeric O-ring. O-rings are used primarily for sealing. The various types of O-ring seals are described in the section called “Scope of O-ring Use.” O-rings are also used as light-duty, mechanical drive belts. More information, including design criteria on O-ring drive belts and their application can be found in the O-Ring Applications Section.

Ethylene Propylene Rubber O-Ring, 85 Shore A

Advantages

  • They seal over a wide range of pressure, temperature and tolerance.
  •  Ease of service, no smearing or retightening.
  •  O-ring normally require very little room and are light in weight.
  •  In many cases an O-ring can be reused, an advantage over non-elastic flat seals and crush-type gaskets.
  •  The duration of life in the correct application corresponds to the normal aging period of the O-ring material.
  •  O-ring failure is normally gradual and easily identified.
  •  They are cost-effective.

Static O-Ring Sealing

It has been said that O-ring are “the finest static seals ever developed.” Perhaps the prime reason for this is because they are almost human proof. No adjustment or human factor comes into play when O-ring are assembled originally or used in repairs if the gland has been designed and machined properly. O-ring do not require high bolting forces (torque) to seal perfectly. O-ring are versatile and save space and weight. They seal over an exceptionally wide range of pressures, temperatures and tolerances. Once seated, they continue to seal even though some feel that they theoretically should not. In addition, they are economical and easy to use. Therefore, we agree that the O-ring is “the finest static seal ever developed.

Dynamic O-Ring Sealing

Dynamic O-ring sealing applications are considerably more involved than static applications due to the implied motion against the O-ring seal interface. Resistance to fluids must be more carefully scrutinized than in conventional static seal designs since a volumetric increase in the O-ring in excess of approximately 20% may lead to friction and wear difficulties and only a minimum of shrinkage (at most 4%), can be tolerated.

The metal or other surface over which the O-ring will move also becomes critical. It must be hard and wear resistant. It also must be sufficiently smooth so that it will not abrade the rubber, and yet there must be small microfine“pockets” on the moving surfaces to hold lubricant.

The greatest dynamic use of O-rings is in reciprocating hydraulic rod and piston seals. These are discussed first, but many of the ideas expressed are also applicable to other dynamic applications.

Reciprocating O-Ring Design Guide

View Catalog

Design Tool & O-Ring Calculator


Utilizing our inPHorm design software to guide the user through the design and selection of an O-ring and corresponding seal gland. Parker’s inPHorm not only addresses standard O-ring sizes, but allows the user to custom design O-ring glands and seals specifically for their application. To obtain inPHorm download from www.parkerorings.com. If inPHorm is not readily available manual calculations can be performed using the following guidelines.

V1238-95_zm

Fluorocarbon O-Ring, 95 Shore A

Cross Section Width: n/a

Inside Diameter: n/a

Polymer Material Options: Fluorocarbon Rubber (FKM, FPM)

Minimum Operating Temperature: -25 °C, -12 °F

Maximum Operating Temperature: 200 °C, 392 °F

Durometer: 95 Shore A

For Fluid Type: Broad Range

Industry: Oil & Gas, General Industrial

Region of Origin: Europe

Colour: Black

Trade Name: V1238-95, V1238

The Parker Prädifa fluorocarbon rubber V1238-95 is suitable for explosive decompression and oil & gas applications.

Special Features:

  • Very good resistance against explosive decompression
  • Excellent mechanical robustness
  • Very good resistance to gap extrusion
  • Long life time

Chemical Resistance to:

  • Air (oil-free)
  • Compressed air (oily)
  • Water vapour
  • Water
  • Fuel C
  • Diesel (water-free)
  • RME (water-free)
  • Petrol (unleaded)
  • FAM A (test fluid no. 1, DIN ISO 1817)
  • Ethane
  • Benzene
  • Natural gas
  • Petroleum (sulphur-free)
  • Mineral oils (tests with NBR-1 / ECI recommended prior to use with dynamic seals)
  • Petroleum-based lubricating oils
V3664-85_zm

Fluorocarbon O-Ring, 85 Shore A

Cross Section Width: n/a

Inside Diameter: n/a

Polymer Material Options: Fluorocarbon Rubber (FKM, FPM)

Minimum Operating Temperature: -20 °C, -4 °F

Maximum Operating Temperature: 200 °C, 392 °F

Durometer: 85 Shore A

For Fluid Type: Broad Range

Industry: Consumer, General Industrial

Specification Met: BAM

Region of Origin: Europe

Colour: Black

Trade Name: V3664-85, V3664

Special Features:

  • Very good resistance against wear
  • Excellent Mechanical Robustness
  • Long life time

Chemical Resistance to:

  • Air (oil-free)
  • Compressed air (oily)
  • Water vapour
  • Water
  • Fuel C
  • Diesel (water-free)
  • RME (water-free)
  • Petrol (unleaded)
  • FAM A (test fluid no. 1, DIN ISO 1817)
  • Ethane
  • Benzene
  • Natural gas
  • Petroleum (sulphur-free)
  • Mineral oils (tests with NBR-1 / ECI recommended prior to use with dynamic seals)
  • Petroleum-based lubricating oils
V8935-75_zm

Fluorocarbon O-Ring, 75 Shore A

Cross Section Width: n/a

Inside Diameter: n/a

Polymer Material Options: Fluorocarbon Rubber (FKM, FPM)

Minimum Operating Temperature: -45 °C, -49 °F

Maximum Operating Temperature: 200 °C, 392 °F

Durometer: 75 Shore A

For Fluid Type: Broad Range

Industry: Automotive, General Industrial

Region of Origin: Europe

Colour: Black

Trade Name: V835-75, V8935

Special Features:

  • Very good resistance to water/glycol
  • Excellent Mechanical Robustness
  • Long life timer
  • Very good deep temperature behaviour.

Chemical Resistance to:

  • Air (oil-free)
  • Compressed air (oily)
  • Water vapour
  • Water
  • Fuel C
  • Diesel (water-free)
  • RME (water-free)
  • Petrol (unleaded)
  • FAM A (test fluid no. 1, DIN ISO 1817)
  • Ethane
  • Benzene
  • Natural gas
  • Petroleum (sulphur-free)
  • Mineral oils (tests with NBR-1 / ECI recommended prior to use with dynamic seals)
  • Petroleum-based lubricating oils
V8935-75_zm

Fluorocarbon 75 Durometer O-Ring, Low Compression

For Fluid Type: Broad Range

Polymer Material Options: Fluorocarbon Rubber (FKM, FPM)

Minimum Operating Temperature: -15°F

Maximum Operating Temperature: 400 °F

Thermal Application Type: High temperature (260-400) °F

Colour: Black

Region of Origin: North America

Internally Lubricated: no

Durometer: 75 Shore A

Parker’s Fluorocarbon 75 Durometer O-Ring VA075 has excellent compression set resistance coupled with the wide chemical resistance expected for a Viton type material

Chemical Resistance:

  • Mineral oil and grease
  • Non-flammable hydraulic fluids (HFD)
  • Silicone oils and greases
  • Aliphatic hydrocarbons (propane, butane, natural gas)
  • Aromatic hydrocarbons (benzene, toluene)
  • Chlorinated hydrocarbons (trichloroethylene and carbon tetrachloride)
  • Gasoline
  • High vacuum – low permeability
  • Ozone, weather, and aging resistance

Not Recommended with:

  • Glycol based brake fluids
  • Ammonia gas, amines, alkalis
  • Superheated steam
  • Low molecular weight organic acids (formic and acetic acids)

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

N1470_zm

Nitrile 70 Durometer O-Ring, General Purpose

Inside Diameter: 0.029 to 25.94 inch

Width: 0.04 to 0.275 inch

Polymer Material Options: Nitrile Butadiene Rubber (NBR, XNBR)

Thermal Application Type: Low temperature (<-30°F)

Minimum Operating Temperature: -40°F

Durometer: 70 Shore A

Maximum Operating Temperature: 225°F

For Fluid Type: Oils

Industry: General

Specifications Met: None, ASTM D2000 2BG720 B14 EA14 EO14 EO34 EF11 EF21

Region of Origin: North America

Internally Lubricated: No

Colour: Black

Parker’s Nitrile rubber (NBR) is the general term for acrylonitrile butadiene copolymer. The acrylonitrile content of nitrile sealing compounds varies considerably (18% to 50%) and influences the physical properties of the finished material. The higher the acrylonitrile content, the better the resistance to oil and fuel. At the same time, elasticity and resistance to compression set is adversely affected. In view of these opposing realities, a compromise is often drawn, and a medium acrylonitrile content selected. NBR has good mechanical properties when compared with other elastomers and high wear resistance. NBR is not resistant to weathering and ozone.

  • Heat resistance
  • Up to 100°C (212°F) with shorter life @ 121°C (250°F)
  • Cold flexibility
  • Depending on individual compound, between -34°C and -57°C (-30°F and -70°F)
  • Chemical resistance
  • Aliphatic hydrocarbons (propane, butane, petroleum oil, mineral oil and grease, diesel fuel, fuel oils) vegetable and mineral oils and greases
  • HFA, HFB and HFC hydraulic fluids
  • Dilute acids, alkali and salt solutions at low temperatures
  • Water (special compounds up to 100°C) (212°F)
  • Used for general purpose
VW076_zm_new

Fluorocarbon 75 Durometer O-Ring, Low Compression (VW076-75)

For Fluid Type: Broad range

Industry: None

Maximum Operating Temperature: 400 °F

Thermal Application Type: High temperature (260-400) °F

Minimum Operating Temperature: -15 °F

Colour: Black

Polymer Material Options: Fluorocarbon Rubber (FKM, FPM)

Internally Lubricated: No

Region of Origin: North America

Specifications Met: None

Durometer: 75 Shore A

Parker’s Fluorocarbon 75 Durometer O-Ring VW076 has excellent compression set resistance coupled with the wide chemical resistance expected for a Viton type material

Chemical Resistance:

  • Mineral oil and grease
  • Nonflammable hydraulic fluids (HFD)
  • Silicone oils and greases
  • Aliphatic hydrocarbons (propane, butane, natural gas)
  • Aromatic hydrocarbons(benzene, toluene)
  • Chlorinated hydrocarbons (trichloroethylene and carbon tetrachloride)
  • Gasoline
  • High vacuum – low permeability
  • Ozone, weather, and aging resistance

  • Not Recommended for

    • Glycol based brake fluids
    • Ammonia gas, amines, alkalis
    • Superheated steam
    • Low molecular weight organic acids (formic and acetic acids)

    *Custom sizes and coatings/markings are available upon request. Contact Parker O-Ring Division at 859-

    269-2351 for design and pricing assistance.

N0674_zm

Nitrile 70 Durometer O-Ring, Mil/Aero, MIL-G-21569 (N0674-70 M21569)

Inside Diameter: 0.029 to 25.94 inch

Width: 0.029 to 25.94 inch

Polymer Material Options: Nitrile Butadiene Rubber (NBR, XNBR)

Thermal Application Type: Standard (-30°F to 250°F)

Minimum Operating Temperature: -30 °F

Durometer: 70 Shore A

Maximum Operating Temperature: 250 °F

For Fluid Type: Oils

Industry: Aerospace

Specifications Met: UL, MIL/Aero, UL-Fire, UL-GasAlc, UL-MPSGas, UL-NatGas, UL-FuelOil, UL-HtdFuelOil, UL-Ammonia, ULDryChem, MIL-G-21569B Class I

Region of Origin: North America

Internally Lubricated: No

Colour: Black

Parker’s Nitrile rubber (NBR) is the general term for acrylonitrile butadiene copolymer. The acrylonitrile content of nitrile sealing compounds varies considerably (18% to 50%) and influences the physical properties of the finished material. The higher the acrylonitrile content, the better the resistance to oil and fuel. At the same time, elasticity and resistance to compression set is adversely affected. In view of these opposing realities, a compromise is often drawn, and a medium acrylonitrile content selected. NBR has good mechanical properties when compared with other elastomers and high wear resistance. NBR is not resistant to weathering and ozone.

  • Heat resistance
  • Up to 100°C (212°F) with shorter life @ 121°C (250°F)
  • Cold flexibility
  • Depending on individual compound, between -34°C and -57°C (-30°F and -70°F)
  • Chemical resistances
  •  hydrocarbons (propane, butane, petroleum oil, mineral oil and grease, diesel fuel, fuel oils) vegetable and mineral oils and greases
  • HFA, HFB and HFC hydraulic fluids
  • Dilute acids, alkali and salt solutions at low temperatures
  • Water (special compounds up to 100°C) (212°F)
  • Used for General Purpose, MIL-G-21569 CL 1, UL Listed
V1475_zm

Fluorocarbon 75 Durometer O-Ring, General Purpose (V1475-75)

Inside Diameter: 0.029 to 25.94 inch

Width: 0.04 to 0.275 inch

Polymer Material Options: Fluorocarbon Rubber (FKM, FPM)

Thermal Application Type: High temperature (260°F-400°F)

Minimum Operating Temperature: -15 °F

Durometer: 75 Shore A

Maximum Operating Temperature: 400 °F For Fluid

Type: Broad range

Industry: General

Specifications Met: None

Region of Origin: North America

Internally Lubricated: No

Colour: Black

Parker’s Fluorocarbon 75 Durometer O-Ring, General Purpose (V1475-75) Fluorocarbon has excellent resistance to high temperatures, ozone, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics and many organic solvents and chemicals. Low temperature resistance is normally not favorable and for static applications is limited to approximately -26°C (-15°F) although certain compounds are suitable down to -46°C (-50°F). Under dynamic conditions, the lowest service temperature is between -15°C and -18°C (5°F and 0°F). Gas permeability is very low and similar to that of butyl rubber. Special FKM compounds exhibit an improved resistance to acids and fuels.

  • Heat resistance
  • Up to 204°C (400°F) and higher temperatures with shorter life expectancy
  • Cold flexibility
  • Down to -26°C (-15°F) (some to -46°C) (-50°F)
  • Chemical resistance
  • Mineral oil and grease, ASTM oil No. 1, and IRM 902 and IRM 903 oils
  • Non-flammable hydraulic fluids (HFD)
  • Silicone oil and grease
  • Mineral and vegetable oil and grease
  • Aliphatic hydrocarbons (butane, propane, natural gas)
  • Aromatic hydrocarbons (benzene, toluene)
  • Chlorinated hydrocarbons (trichloroethylene and carbon tetrachloride)
  • Gasoline (including high alcohol content)
  • High vacuum
  • Very good ozone, weather and aging resistance

  • Not compatible with:

    • Glycol based brake fluids
    • Ammonia gas, amines, alkalis
    • Superheated steam
    • Low molecular weight organic acids (formic and acetic acids)
    • Used for general purpose

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

N1499_zm

Nitrile 70 Durometer O-Ring, UL approved (N1499-70)

Inside Diameter: 0.029 to 25.94 inch

Width: 0.04 to 0.275 inch

Polymer Material Options: Nitrile Butadiene Rubber (NBR, XNBR)

Thermal Application Type: Standard (-30°F to 250°F)

Minimum Operating Temperature: -30 °F

Durometer: 70 Shore A

Maximum Operating Temperature: 250 °F

For Fluid Type: Oils

Industry: General

Specifications Met: UL, UL-Fire, UL-ApKer, UL-NatGas, UL-FuelOil, UL-LPGas, UL-DryChem

Region of Origin: North America

Internally Lubricated: No

Colour: Black

Parker’s 70 durometer black nitrile (NBR), N1499-70 is an excellent general purpose material that has good mechanical properties when compared to other elastomers.  NBR is not resistant to weathering and ozone. This material can also be offered internally lubricated as N1499-70WAX

Temperature Range: -30°F to 250°F (-34°C to 121°C)

Chemical resistance

  • Aliphatic hydrocarbons (propane, butane, petroleum oil, mineral oil and grease, diesel fuel, fuel oils) vegetable and mineral oils and greases
  • HFA, HFB and HFC hydraulic fluids
  • Dilute acids, alkali and salt solutions at low temperatures
  • Water up to C12212°F (100°C)

  • Not compatible with:

    • Fuels of high aromatic content, aromatic hydrocarbons (benzene), chlorinated hydrocarbons (trichloroethylene), strong acids, glycols, ozone, weather, atmospheric aging, and polar solvents (ketone, acetone, acetic acid, ethylene-ester)

    UL Listed

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

V1_zm

Polyurethane O-Ring, Broad Applicability

Inside Diameter: 1.45 to 316.87 mm

Cross Section Width: 0.9 to 8 mm

Maximum Operating Temperature: 80 to 110 °C

Durometer: 80 to 95 Shore A

Colour: Green

Industry: General Industrial

For Fluid Type: Broad Range

Media: Hydraulic

Polymer Material Options: Thermoplastic Polyurethane (TPU, Resilon®, Ultrathan®)

Maximum Operating Pressure: 600, 400 bar

Minimum Operating Temperature: -45 to -20 °C

The Parker Prädifa V1 Ultrathan® O-ring is an alternative to conventional rubber elastomer O-rings. Due to the extrusion resistance of the polyurethane compounds, there is no need to use a back-up ring at higher or pulsating pressures. By eliminating the need for back-up rings the required width of the groove is reduced. Due to its high wear resistance, a polyurethane O-ring is also suitable for dynamic pneumatics applications. Very good results have been achieved, for instance, in pneumatic valves for sealing pilot and main control pistons.

Range of Application:

V1 Ultrathan® O-rings are used when the physical properties of other compounds are insufficient.

Mainly for the sealing of cylinders, controls and valves

Special Features:

    • Robust seal profile for harshest operating conditions.
    • Extreme wear resistance.
    • Suitable for fully automatic installation
    • Insensitive to pressure peaks.
    • High extrusion resistance.
    • Excellent media resistance in case of suitable compound selection.
    • Suitable compounds available for special requirements of the chemical process industry.
    • Suitable compounds available for special requirements of the food processing industry.
    • Installation in closed and undercut housings.
    • Can be used in existing O-ring grooves.
    • Further dimensions of machined series with short lead times available.
V0747-75_zm

Fluorocarbon O-Ring, 75 Shore A, Broad Applicability

Polymer Material Options: Fluorocarbon Rubber (FKM, FPM)

Trade Name: V0747, V747, V747-75

Minimum Operating Temperature: -13 °F, -25 °C

Maximum Operating Temperature: 392 °F, 200 °C

Durometer: 75 Shore A

For Fluid Type: Broad Range

Industry: General Industrial

Specifications Met: BAM (60°C, 30 bar), ADI-free, AS 528, ISO 3601, BS 1806, BS 4518, JIS B2401, NF T 47-501, SMS 1586

Region of Origin: Europe

Color: Black

Inside Diameter: 0.7 to 996 mm

Cross Section Width: 0.5 to 9.5 mm

The Parker Prädifa fluorocarbon rubber V0747-75 is suitable for a wide range of applications. The gas permeability is very low and similar to butyl rubber.

Special Features:

  • Very good mechanical robustness
  • Good resistance to gap extrusion
  • Long life time

Chemical Resistance to:

  • Air (oil-free)
  • Compressed air (oily)
  • Fuel C
  • Diesel (water-free)
  • RME (water-free)
  • Petrol (unleaded)
  • FAM A (test fluid no. 1, DIN ISO 1817)
  • Ethane
  • Benzene
  • Natural gas
  • Petroleum (sulphur-free)
  • Mineral oils (tests with NBR-1/ECI recommended prior to use with dynamic seals)
  • Petroleum-based lubricating oils
N0674-70_zm (1)

Nitrile-Butadiene Rubber O-Ring, 70 Shore A, Broad Applicability

Inside Diameter: 0.7 to 2965 mm, 0.028 to 116.732 inch

Cross Section Width: 0.5 to 20 mm, 0.020 to 0.787 inch

Polymer Material Options: Nitrile Butadiene Rubber (NBR, XNBR)

Minimum Operating Temperature: -35 °C, -31 °F

Maximum Operating Temperature: 100 °C, 212 °F

Durometer: 70 Shore A

For Fluid Type: Broad Range

Industry: Other / Specialist

Specifications Met: DIN EN 549, WL 5.5702, VP 406, NF L17-120, AS 528, ISO 3601, BS 1806, BS 4518, JIS B2401, NF T 47- 501, SMS 1586

Region of Origin: Europe

Colour: Black

Trade Name: N0674, N0674-70, N674

The Parker Prädifa nitrile-butadiene rubber N0674-70 is suitable for a wide range of applications.

Special Features:

  • Good mechanical robustness
  • Very good resistance to gap extrusion
  • Good cold flexibility

Chemical Resistance to:

  • Air (oil-free)
  • Compressed air (oily)
  • Methanol
  • Methyl-ethyl-ketone (MEK)
  • 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)
E0540-80_zm

Ethylene Propylene Rubber O-Ring, 80 Shore A, Broad Applicability

Inside Diameter: 0.7 to 2965 mm, 0.028 to 116,732 inch

Cross Section Width: 0.5 to 20 mm, 0.020 to 0.787 inch

Polymer Material Options: Ethylene Propylene Rubber (EPM, EPR, EPDM)

Minimum Operating Temperature: -58 °F, -50 °C

Maximum Operating Temperature: 302 °F, 150 °C

Durometer: 80 Shore A

For Fluid Type: Broad Range

Industry: Other / Specialist

Specifications Met: WL 5.5802, AS 528, ISO 3601, BS 1806, BS 4518, JIS B2401, NF T 47-501, SMS 1586

Region of Origin: Europe

Colour: Black

Trade Name: E0540-60, E540, E0540

The Parker Prädifa ethylene propylene rubber E0540-80 is suitable for a wide range of applications.

Special features:

  • Very good mechanical robustness
  • Excellent resistance against water/glycol and acids
  • Long life time

Chemical resistance to:

  • Air (oil-free)
  • Water vapour
  • Water
  • Glysantin G48/water
  • Water/glycol (1/1)
  • R134a
  • HFO1234yf
  • Hydrochloric acid (3-molar)
  • Hydrochloric acid (concentrated)
  • Acetic acid (1-molar)
  • AdBlue® urea / water (32,5/67,5)
  • Ammonia 33%
  • Methanol
  • Ethanol
  • Methyl-ethyl-ketone (MEK)
  • Acetone
  • DOT-4
  • HEPG / Polyalkylene glycols
  • HFC (Water/polyglycol)
  • Ozone
C0873_zm

Polychloroprene 70 Durometer O-Ring, General Purpose, Refrigerant Gases, Low Extractables, & Low Compression Set

Polymer Material Options: Polychloroprene Rubber (CR, Neoprene)

Minimum Operating Temperature: -35 °F

Maximum Operating Temperature: 225 °F

Specifications Met: None

Region of Origin: North America

Durometer: 70 Shore A

Internally Lubricated: No

Colour: Black

Thermal Application Type: Standard (-30°F to 250°F)

For Fluid Type: Refrigerants

Parker’s Polychloroprene was the first synthetic rubber developed commercially and exhibits generally good ozone, aging and chemical resistance. It has good mechanical properties over a wide temperature range.

  • Heat resistance
  • Up to approximately 121°C (250°F)
  • Cold flexibility
  • Down to approximately -40°C (-40°F)
  • Chemical resistance
  • Paraffin based mineral oil with low DPI, e.g. ASTM oil No. 1
  • Silicone oil and grease
  • Water and water solvents at low temperatures
  • Refrigerants
  • Ammonia
  • Carbon dioxide
  • Improved ozone, weathering and aging resistance compared with nitrile
  • Limited compatibility
  • Naphthalene based mineral oil (IRM 902 and IRM 903 oils)
  • Low molecular weight aliphatic hydrocarbons (propane, butane, fuel)
  • Glycol based brake fluids

Not compatible with:

  • Aromatic hydrocarbons (benzene)
  • Chlorinated hydrocarbons (trichloroethylene)
  • Polar solvents (ketones, esters, ethers)
  • Used for General Purpose
V1238_zm

Fluorocarbon 95 Durometer O-Ring

Inside Diameter: 0.029 to 25.94 inch

Width: 0.04 to 0.275 inch

Polymer Material Options: Fluorocarbon Rubber (FKM, FPM)

Thermal Application Type: High temperature (260°F-400°F)

Minimum Operating Temperature: -15 °F

Durometer: 95 Shore A

Maximum Operating Temperature: 400 °F For Fluid

Type: Broad range

Industry: Oil & Gas

Specifications Met: NORSOK, NORSOK-RGD, API 6A, NACE

Region of Origin: North America

Internally Lubricated: No

Colour: Black

Parker’s Fluorocarbon 95 Durometer O-Ring, (V1238-95) Fluorocarbon offers high pressure extrusion resistance for severe Oil & Gas applications. 

  • Heat resistance – Up to 204°C (400°F) and higher temperatures with shorter life expectancy
  • Cold flexibility – Down to -26°C (-15°F) for static applications

Certifications include:

  • 2 % H2S Resistant per ISO 23936-2

 

Chemical resistance:

  • Mineral oil and grease, ASTM oil No. 1, and IRM 902 and IRM 903 oils
  • Non-flammable hydraulic fluids (HFD)
  • Silicone oil and grease
  • Mineral and vegetable oil and grease
  • Aliphatic hydrocarbons (butane, propane, natural gas)
  • Aromatic hydrocarbons (benzene, toluene)
  • Chlorinated hydrocarbons (trichloroethylene and carbon tetrachloride)
  • Gasoline (including high alcohol content) and Diesel
  • Very good ozone, weather and aging resistance
  • Methanol, Zinc Bromide

Not compatible with:

  • Glycol based brake fluids
  • Ammonia gas, amines, alkalis
  • Superheated steam
  • Low molecular weight organic acids (formic and acetic acids)
V0709_zm

Fluorocarbon 90 Durometer O-Ring, General Purpose

Inside Diameter: 0.029 to 25.94 inch

Width: 0.04 to 0.275 inch

Polymer Material Options: Fluorocarbon Rubber (FKM, FPM)

Trade Name: V709, V-90, V90

Thermal Application Type: High temperature (260°F-400°F)

Durometer: 90 Shore A

Minimum Operating Temperature: -15 °F

Maximum Operating Temperature: 400 °F

 

For Fluid Type: Oils

Industry: General

Specifications Met: MIL/Aero, AMS7259, AMS-R-83248 Type 1 Class 2, MIL-R-83248C,Type 1 Class II

Region of Origin: North America

Internally Lubricated: No

Colour: Black

Parker’s 90 durometer, general purpose, fluorocarbon O-ring, V0709-90 has excellent resistance to high temperatures, ozone, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics and many organic solvents and chemicals. Low temperature resistance is normally not favorable and for static applications is limited to approximately -26°C (-15°F) although certain compounds are suitable down to -46°C (-50°F). Under dynamic conditions, the lowest service temperature is between -15°C and -18°C (5°F and 0°F). Gas permeability is very low and similar to that of butyl rubber. Special FKM compounds exhibit an improved resistance to acids and fuels.

  • Heat resistance
  • Up to 204°C (400°F) and higher temperatures with shorter life expectancy
  • Cold flexibility
  • Down to -26°C (-15°F) (some to -46°C) (-50°F)
  • Chemical resistance
  • Mineral oil and grease, ASTM oil No. 1, and IRM 902 and IRM 903 oils
  • Non-flammable hydraulic fluids (HFD)
  • Silicone oil and grease
  • Mineral and vegetable oil and grease
  • Aliphatic hydrocarbons (butane, propane, natural gas)
  • Aromatic hydrocarbons (benzene, toluene)
  • Chlorinated hydrocarbons (trichloroethylene and carbon tetrachloride)
  • Gasoline (including high alcohol content)
  • High vacuum
  • Very good ozone, weather and aging resistance

Not compatible with:

  • Glycol based brake fluids
  • Ammonia gas, amines, alkalis
  • Superheated steam
  • Low molecular weight organic acids (formic and acetic acids)
  • Used for AMS 7259, AMS-R-83248
E0540_zm

Ethylene Propylene 80 Durometer O-Ring, General Purpose

Polymer Material Options: Ethylene Propylene Rubber (EPM, EPR, EPDM)

Trade Name: E540

Durometer: 80 Shore A

Minimum Operating Temperature: -70 °F

Maximum Operating Temperature: 250 °F

Region of Origin: North America

Internally Lubricated: No

Thermal Application Type: Low temperature (<-30°F)

For Fluid Type: Water / Steam

Industry: General

Specifications Met: None

Colour: Black

Parker’s EPR copolymer ethylene propylene and ethylene-propylenediene rubber (EPDM) terpolymer are particularly useful when sealing phosphate-ester hydraulic fluids and in brake systems that use fluids having a glycol base.

  • Heat resistance
  • Up to 150°C (302°F) (max. 204°C (400°F)) in water and/or steam)
  • Cold flexibility
  • Down to approximately -57°C (-70°F)
  • Chemical resistance
  • Hot water and steam up to 149°C (300°F) with special compounds up to 260°C (500°F)
  • Glycol based brake fluids (Dot 3 & 4) and silicone-based brake fluids (Dot 5) up to 149°C (300°F)
  • Many organic and inorganic acids
  • Cleaning agents, sodium and potassium alkalis
  • Phosphate-ester based hydraulic fluids (HFD-R)
  • Silicone oil and grease
  • Many polar solvents (alcohols, ketones, esters)
  • Ozone, aging and weather resistant Not compatible with:
  • Mineral oil products (oils, greases and fuels)
  • Used for General Purpose
N1173_zm

Hydrogenated Nitrile 70 Durometer O-Ring, General Purpose

Inside Diameter: 0.029 to 25.94 inch

Width: 0.04 to 0.275 inch

Polymer Material Options: Hydrogenated Nitrile Butadiene Rubber (HNBR, HSN)

Thermal Application Type: High temperature (260°F-400°F)

Minimum Operating Temperature: -25 °F

Durometer: 70 Shore A

Maximum Operating Temperature: 300 °F

For Fluid Type: Oils

Industry: General

Specifications Met: None

Region of Origin: North America

Internally Lubricated: No

Color: Black

Parker’s Hydrogenated nitrile 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 -48°C (-55°F)
  • 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
  • Used for general purpose

  • Not compatible with:

    • Chlorinated hydrocarbons
    • Polar solvents (ketones, esters and ethers)
    • Strong acids
S0604_zm

Silicone 70 Durometer O-Ring, General Purpose, Rust

Inside Diameter: 0.029 to 25.94 inch

Width: 0.04 to 0.275 inch

Polymer Material Options: Silicone Rubber (VMQ, PVMQ)

Thermal Application Type: Low and high temperature (<-30°F, >250°F)

Minimum Operating Temperature: -65 °F

Durometer: 70 Shore A

Maximum Operating Temperature: 450 °F

For Fluid Type: General / Other

Industry: Aerospace

Specifications Met: None

Region of Origin: North America

Internally Lubricated: No

Colour: Rust

Parker’s Silicone 70 Durometer O-Ring, General Purpose, Rust (S0604-70 GP) has good ozone and weather resistance as well as good insulating and physiologically neutral properties. However, silicone elastomers as a group, have relatively low tensile strength, poor tear strength and little wear resistance.

Temperature Range: -65°F to 450°F (-54°C to 232°C)

Certifications include:

  • A-A-59588 2a 2b GR 70 (ZZ-R-765)
  • AMS 3304
  • AMS 3357
  • MIL-G-21569

  • Chemical resistance:

    • Animal and vegetable oil and grease
    • High molecular weight chlorinated aromatic hydrocarbons (including flame-resistant insulators, and coolant for transformers)
    • Moderate water resistance
    • Diluted salt solutions
    • Ozone, aging and weather

    Not compatible with:

    • Superheated water steam over 60°C (140°F)
    • Acids and alkalis
    • Low molecular weight chlorinated hydrocarbons (trichloroethylene)
    • Hydrocarbon based fuels
    • Aromatic hydrocarbons (benzene, toluene)
    • Low molecular weight silicone oils
E3609_zm

Ethylene Propylene 70 Durometer O-Ring, Drinking Water & Medical

Specifications Met: Food & beverage, FDA, NSF51, NSF61, USPCLASSVI, ISO

Inside Diameter: 0.029 to 25.94 inch

Width: 0.04 to 0.275 inch

Polymer Material Options: Ethylene Propylene Rubber (EPM, EPR, EPDM)

Trade Name: E3609, E70, EPDM-70

Thermal Application Type: Low temperature (<-30°F)

Durometer: 70 Shore A

Minimum Operating Temperature: -70 °F

Maximum Operating Temperature: 250 °F

For Fluid Type: Water / Steam

Industry: Potable water

Region of Origin: North America

Internally Lubricated: No

Colour: Black

Parker’s E3609-70 (EPDM), has cleanliness and steam resistance favored for Life Science and Consumer applications. 

  • Heat resistance — Up to 121°C (250°F)
  • Cold flexibility — Down to approximately -57°C (-70°F)

Certifications include:

  • FDA
  • USP Class VI & <87>
  • NSF 61 for hot water
  • NSF 51

Chemical resistance:

  • Hot water and steam up to 149°C (300°F) with special compounds up to 260°C (500°F)
  • Glycol based brake fluids (Dot 3 & 4) and silicone-based brake fluids (Dot 5) up to 149°C (300°F)
  • Many organic and inorganic acids
  • Cleaning agents, sodium and potassium alkalis
  • Phosphate-ester based hydraulic fluids (HFD-R)
  • Silicone oil and grease
  • Many polar solvents (alcohols, ketones, esters)
  • Ozone, aging and weather resistant

Not compatible with:

  • Mineral oil products (oils, greases and fuels)
E8556-70_zm

Ethylene Propylene Rubber O-Ring, 70 Shore A, Automotive Applications

Inside Diameter: 2.57 to 107.54 mm, 0.101 to 4.234 inch

Cross Section Width: 1 to 5.33 mm, 0.039 to 0.21 inch

Polymer Material Options: Ethylene Propylene Rubber (EPM, EPR, EPDM)

Minimum Operating Temperature: -50 °C, -58 °F

Maximum Operating Temperature: 150 °C, 302 °F

Durometer: 70 Shore A

For Fluid Type: Broad Range Industry: Chemical Processing

Specifications Met: AS 528, ISO 3601, BS 1806, BS 4518, JIS B2401, NF T 47-501, SMS 1586

Region of Origin: Europe

Colour: Black

The Parker Prädifa ethylene propylene rubber E8556-70 is suitable for a wide range of applications.

Special features:

  • Very good mechanical robustness
  • Excellent resistance against water/glycol and acids, cleaning agents, many polar solvents
  • Long life time

Chemical resistance to:

  • Air (oil-free)
  • Steam
  • Water
  • Glysantin G48/water
  • Water/glycol (1/1)
  • R134a
  • HFO1234yf
  • Hydrochloric acid (3-molar)
  • Hydrochloric acid (concentrated)
  • Acetic acid (1-molar)
  • AdBlue® urea / water (32,5/67,5)
  • Ammonia 33%
  • Methanol
  • Ethanol
  • Methyl-ethyl-ketone (MEK)
  • Acetone
  • DOT-4
  • HEPG / Polyalkylene glycols
  • HFC (Water/polyglycol)
  • Ozone
  • Hydrogen
V1476_zm

Fluorocarbon 75 Durometer O-Ring, General Purpose, Brown

Inside Diameter: 0.029 to 25.94 inch

Width: 0.04 to 0.275 inch

Polymer Material Options: Fluorocarbon Rubber (FKM, FPM)

Thermal Application Type: High temperature (260°F-400°F)

Minimum Operating Temperature: -15 °F

Durometer: 75 Shore A

Maximum Operating Temperature: 400 °F For Fluid

Type: Broad range

Industry: General

Specifications Met: None

Region of Origin: North America

Internally Lubricated: No

Colour: Brown

Parker’s Fluorocarbon 75 Durometer O-Ring, General Purpose , Brown (V1476-75) Fluorocarbon has excellent resistance to high temperatures, ozone, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics and many organic solvents and chemicals. Low temperature resistance is normally not favorable and for static applications is limited to approximately -26°C (-15°F) although certain compounds are suitable down to -46°C (-50°F). Under dynamic conditions, the lowest service temperature is between -15°C and -18°C (5°F and 0°F). Gas permeability is very low and similar to that of butyl rubber. Special FKM compounds exhibit an improved resistance to acids and fuels.

  • Heat resistance
  • Up to 204°C (400°F) and higher temperatures with shorter life expectancy
  • Cold flexibility
  • Down to -26°C (-15°F) (some to -46°C) (-50°F)
  • Chemical resistance
  • Mineral oil and grease, ASTM oil No. 1, and IRM 902 and IRM 903 oils
  • Non-flammable hydraulic fluids (HFD)
  • Silicone oil and grease
  • Mineral and vegetable oil and grease
  • Aliphatic hydrocarbons (butane, propane, natural gas)
  • Aromatic hydrocarbons (benzene, toluene)
  • Chlorinated hydrocarbons (trichloroethylene and carbon tetrachloride)
  • Gasoline (including high alcohol content)
  • High vacuum
  • Very good ozone, weather and aging resistance

Not compatible with:

  • Glycol based brake fluids
  • Ammonia gas, amines, alkalis
  • Superheated steam
  • Low molecular weight organic acids (formic and acetic acids)
  • Used for general purpose
N3554-75_zm

Hydrogenated Nitrile-Butadiene Rubber O-Ring, 75 Shore A, Broad Applicability

Inside Diameter: 2.9 to 532.26 mm, 0.114 to 20.955 inch

Cross Section Width: 1.0 to 6.99 mm, 0.039 to 0.275 inch

Polymer Material Options: Hydrogenated Nitrile Butadiene Rubber (HNBR, HSN)

Minimum Operating Temperature: -35 °C, -31 °F

Maximum Operating Temperature: 150 °C, 302 °F

Durometer: 75 Shore A

For Fluid Type: Broad Range

Industry: Other / Specialist

Specifications Met: AS 528, ISO 3601, BS 1806, BS 4518, JIS B2401, NF T 47-501, SMS 1586

Region of Origin: Europe

Colour: Green

The Parker Prädifa hydrogenated nitrile-butadiene rubber N3554-75 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
    • 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)
Optimized-N0552-90_zm

Nitrile-Butadiene Rubber O-Ring, 90 Shore A, Broad Applicability

Inside Diameter: 0.7 to 2965 mm, 0.028 to 116.732 inch

Cross Section Width: 0.5 to 20 mm, 0.020 to 0.787 inch

Polymer Material Options: Nitrile Butadiene Rubber (NBR, XNBR)

Trade Name: N0552, N0552-90, N552

Minimum Operating Temperature: -35 °C, -31 °F

Maximum Operating Temperature: 100 °C, 212 °F

Durometer: 90 Shore A

 

For Fluid Type: Broad Range

Industry: Other / Specialist

Specifications Met: DIN EN 549, WL 5.5810, AS 528, ISO 3601, BS 1806, BS 4518, JIS B2401, NF T 47 501, SMS 1586

Region of Origin: Europe

Colour: Black

The Parker Prädifa nitrile-butadiene rubber N0552-90 is suitable for a wide range of applications.

Special Features:

  • Good mechanical robustness
  • Good resistance to gap extrusion

  • Chemical Resistance to:

    • Air (oil-free)
    • Compressed air (oily)
    • Methanol
    • Methyl-ethyl-ketone (MEK)
    • 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