Inert to ozone reactions and sunlight aging. Other related chapters from the Navy's fluid power training course can be seen to the right. Nitrile (Buna, NBR): A widely used, economical material that has strong wear resistance and mechanical properties. Other materials used for O-rings include, PTFE (universally noted for its chemical resistance but difficult to install due to minimal elasticity); FEP encapsulated (FEP is similar to PTFE and is used to cover … O-ring PTFE PU. Fluorosilicone O-Ring Material: A type of saturated rubber material that offers good stability in extreme temperatures and resists fuels, oils, solvents, chemicals, and more. Working temperature: -40° to +257°F (Standard Compound). Basic O-Ring chemical resistance compatibility information is based on isolated generic O-Ring material testing in optimal conditions at room temperature and pressure. They can also be made from a number of different substances. To assist with your decisions, here are six of the more common O-Ring materials and the mechanical properties they are best suited for: Nitrile is a general purpose material suited for petroleum oils, water, … Perfluoelastomer (FFKM): Of all elastomers, this one has the highest performing temperature and chemical properties, as well as low out-gassing and extractable properties. An O-ring , also known as a packing , is a flexible gasket in the shape of a loop; it is a elastomer with a round cross-section designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface. There are also many considerations when selecting material—most importantly, the combinations of fitting material and the media being transferred. Features: Can be compounded to work as low as -85°F. Buna - N cord stock resists oil, grease, and hydraulic fluid. The following sections includes the most commonly materials used for the O-rings, their working temperature, the shore A hardness scores, the standard colors as well as the limitations of that materials. They are highly effective at seals subjected to high stress. Base resistant grade offers better oil protection. Fluorosilicone is used in seals of air fuel emission control system and aerospace fuel system. Natural rubber seals also have the ability to absorb vibrations therefore, are used for dampeners as well. Millable Polyurethane can also withstand high temperature. Oil-Resistant Soft Buna-N O-Rings Softer than standard Buna-N O-rings for a better seal in low … Most O-rings are made of elastomers, … Please call our sealing experts @ 1-800-876-SEAL, Phelps Industrial Products LLC. FREE Shipping by Amazon. Transmission fluids increase in viscosity at low temperatures, and at -40°C, they exhibit very little natural flow. Fluorocarbon (Viton, FKM): The high fluorine levels in fluorocarbon rings give them excellent swelling and permeability resistance. Viton A or B grades can't hold up to the same service as Aflas in many applications. via mechanical deformation. They can also endure high temperature. The chemical compatibility data can be presented in one of two ways. So we need to replace the o-ring. Compatible Features: Phenyl based silicones can work to extremes of -148°F. It resists attack by nearly all chemical reagents and provides long-term service where corrosive additives can cause other elastomers to swell or degrade. Check out shop.gallagherseals.com! 2 neoprene o-ring nitrile o-ring lathe-cut o-ring acid o-rings hydraulic seals They … If you have questions about O-Ring materials, contact Gallagher Fluid Seals, Inc. Our experts can answer any questions you might have about these small, yet crucial, sealing products. Commonly used in industrial environment. O-ring are one of the most commonly used fluid power seals. Replacement Hydraulic O-Rings, Seals, Kits & Flaretite Seals - 064 Our replacement O-rings are made of 90 durometer neoprene, which resists gasoline, oil, grease and petroleum based hydraulic fluids. The crash of space shuttle Challenger in 1986 is a well-documented case of what failure of O-rings can do. This allows them to be used effectively ion the dynamic seals. It is desired to seal a pressure vessel filled with hydraulic oil at 1200 psi. O-rings are the most commonly used seals in fluid-power systems. Add to favorites ... O-ring Material PTFE, PU Application for piston rods, for hydraulic cylinders Other characteristics compact. Rotary. O-Ring Chemical Compatibility Chart Reference How O-Ring Materials Perform with Chemicals . As we’ve discussed in past entries on this blog, O-Rings can come in a variety of sizes and have a wide range of uses. Natural rubber has good adhering to metals. Static applications of O-rings may include fluid or gas sealing applications in which: (1) the O-ring is compressed resulting in zero clearance, (2) the O-ring material is vulcanized solid such that it is impermeable to the fluid or gas, and (3) the O-ring material is resistant to degradation by the fluid or gas. O-ring compatibility chart offers guidance on chemical resistance and swell for Viton o-rings, FFKM o-rings, Silicone o-rings, Teflon o-rings and more. The simple geometry is the main characteristic of an O-Ring which, in conjunction with proper elastomer selection results in a low cost, easy to use and efficient sealing system. Chloroprene (Neoprene, CR): The first commercial synthetic rubber developed, chloroprene has good mechanical properties over a wide range of temperatures. The need to reduce o-ring friction and wear is a major factor in product design for hydraulic valves and cylinders, pneumatic tools and plumbing devices. MS28783 MIL-R-8791 — — Teflon backup for use with AN6230 O-rings. O-rings are more than just a rubber seal; many different types of material are used for many types of applications. Teflon also performs well with different chemicals at high temperatures as well. Here’s a guide to the kinds of O-Ring materials we use, how they are used, and when to avoid using them. Special compounds, using new polymer technologies, provide improved low temperature performance with a TR (10) of -40°F and brittleness to -76°F. Key uses: Fluorosilicone is primarily used for static sealing. Or second, you can select a specific chemical to view all its compatible O-ring materials. You can also learn more about O-Rings by downloading this guide, which discusses their technical performance characteristics, materials, chemical and temperature compatibility, hardware considerations and failure modes. Seal material: Teflon® (Polytetrafluoroethylene), Working temperature: -300 °F to +450°F (Standard compound). Good for dynamic seals. Valves with a poppet have internal components that can handle any flow rates. O-Ring Chemical Compatibility Chart Reference How O-Ring Materials Perform with Chemicals . Low friction, … Evaluate the o-ring and gland conditions. Key uses: Used in seals for aerospace, oil related seals. The higher the flow rate of the hydraulic fluid coming into the valve, the lower the pressure the fluid is as it leaves the valve.. Brass valves have good corrosion resistance. Rotary. Elongations up to 300 to 650% of the original size. An O-ring is a one piece moulded elastomeric seal with circular cross-section that seals by distortion of its resilient elastic compound. Hence called O-ring is used as a static as well as dynamic seal. An O-ring sealing system is often one of the first sealing systems considered when a fluid closure is designed because of the following advantages of such a system: 1. (I-244, I-156) Second: Pick the series O-ring … Key uses: Widely used in high temperature seals. O-ring material. Used in seals of food and beverages. Seals are installed in most of the units that contain moving parts. O-ring are one of the most commonly used fluid power seals. CO-Z 64 Piece ORFS Cap and Plug Kit Hose Tube and Pipe Hydraulic … Incomplete curing (vulcanization) of O-Ring material during production. Due to many applications, there is also a wide variety of O-ring material choices available. An O-ring seal consists of an O-ring mounted in the gland so that the O-ring’s cross section is compressed (squeezed) when the gland is assembled (fig. If a seal is made for automotive brake systems and the material is not specified, you can safely assume it is EPDM. Suggested solutions to compression set are: Using “low-set” O-Ring material whenever possible. For discussion on selecting an O-ring lubricant, can we offer them to contact us directly at OESmailbox (at) parker (dot) com or to call us at 859-335-5101? The patented hexagonal surface concentrates gasket stress, providing improved compressibility and bolt load retention. O-rings are fitted with back ring the following figure depicts sealing of cylinder and piston by using ‘O’-ring … Avoid: Esters, ketones and aromatic and chlorinated hydrocarbons. O-rings are used in most fluid power connections, preventing leaks in fittings, valves, pumps, and cylinders of all types. Instagram, Temperature: -55 to 250 degrees Fahrenheit, Applications: Petroleum based oils and fuels, dynamic applications, Temperature: -50 to 300 degrees Fahrenheit, Applications: Water and steam up to 300 degrees Fahrenheit, fuel systems, oil resistant and high abrasion applications, Avoid: Strong acids and polar solvents such as ethers and ketones, Temperature: -15 to 350 degrees Fahrenheit, Applications: Mineral oil, engines, gear boxes, power steering, transmissions, Avoid: Cold temperatures, hot water, steam, Temperature: -55 to 275 degrees Fahrenheit, 300 degrees Fahrenheit when used with peroxide curing agents, Applications: Brake systems, glycol-based fluids, H20 steam, Avoid: Mineral oil products and hydrocarbon fluids, Temperature: -40 to 250 degrees Fahrenheit, Applications: Refrigeration, due to its excellent ozone resistance, low-temp H20. Features: Millable Polyurethane have a good performance with seals installed at hydraulic situations. The reason: O-rings must deform … Temperature: -70 to 400 degrees Fahrenheit, Applications: Life science and medical devices, FDA applications, numerous specialized compounds for specific material certifications, Avoid: Highly abrasive applications and water and steam over 250 degrees Fahrenheit, Temperature: -75 to 400 degrees Fahrenheit, Applications: Aerospace, fuel and mineral oil, Avoid: High temperature air, dynamic applications, Temperature: -15 to 400 degrees Fahrenheit, Applications: Broad chemical resistance, transmission and blended gasoline, Avoid: Low temperatures, ketones and amines, Temperature: 15 to 450 degrees Fahrenheit, Applications: Aerospace, steam, hot water, oil fields, Avoid: Chlorinated hydrocarbons, ketones, acetic acid, Temperature: -15 to 600 degrees Fahrenheit, Applications: Semiconductors, chemical processing, vacuum applications, Avoid: Fluorinated solvents and perfluorinated lubricants. MS28775 MIL-P-25732 — 15 O-ring for -65 F to +275 F hydraulic systems. The material used for O-Ring is a synthetic rubber and is specified by its ID/OD. Natural rubber also provides excellent resistance to organic compounds such as alcohols and acids. This page contains a guide to selecting O-ring materials based on chemical compatibility requirements. O-rings are installed in order to seal off connections between connectors, pipes, tubes, etc. Lip Seals are for use in rotary applications up to 150 psi in corrosive and abrasive environments. O-Rings. O-ring, seal tips mechanical shaft mechanical seals pneumatic seals abrasion o-rings extruded rubber low temp. However, elastomeric O-rings are unlike most of the materials that engineers and designers encounter. 90. Fluorosilicone (FVMQ): Broad temperature performance and strong fuel and solvent resistance, but weak abrasion resistance due to high friction. O-ring material. Does anyone know what common o-ring materials are compatable with DOT-3? They also feature high temperature and chemical resistance. See page N3 for O-ring Material Selection and data. Hydraulic Fluid; Transmission Fluid; Gear Lubricants; Motor Oil; Pumps; Funnels; Drain Pans; ... Material Handling; Sandblasting Hose; Oil … seals oil seal materials oil seal basics FEP/PFA encapsul. Shopping for o-rings? In addition, transmission fluids heat up very quickly upon vehicle startup, and the fluid … ... For more comprehensive and specific information on this important subject, see the Fluid Compatibility Tables in Section VII of the hard print or pdf version of the Parker O-Ring … Their shock absorbing nature is utilized by using them in wheels, bumper coupler and rolls. Teflon has high endurance ratings. Working temperature: -25°F to +300°F, Standard Compound. These include NORSOK approved materials, metal detectable seals, FDA approved compounds and low temperature grades.. For more information, expert consultation or a quote on Viton ® / FKM or Nitrile seals, please contact our technical Sales team. FKM is an appropriate seal material only for those few who find themselves undertaking the unique adventure of rebuilding a Citroen or Rolls-Royce with hydraulic oil instead of brake fluid. Viton®/Flurocarbon O-Ring Material: A synthetic rubber/elastomer providing excellent heat, oil, acid, weather and flame resistance. Polyacrylate is also used for sealing petroleum oils up to 300°F. Features: FFKM combines the toughness of an elastomeric material with the chemical inertness of Teflon® . HNBR is suitable for high … These Boss Seal O-Rings are used in sealing straight thread tube fittings (Boss Type) in the design and service of hydraulic … Hydraulic Seals – Improving Performance Hydraulic applications are challenging for Seals. Part #: ORING-KIT O-RING Assortment Kit Catalog Price: $138.86 Price: $131.00 We offer a full range of O-rings and seals for all popular hydraulic fittings, including face seal, flanges BSPP, metric, and SAE … Working temperature: -13°F to +600°F Standard Compound. ORFS O-Ring ORFS Tube End O-ring Specify size and compound Example: 2-018 NBR (standard NBR) SAE O-Ring SAE Straight Thread Port O-Ring Specify size and compound Example: 3-906 NBR (standard NBR) * NBR is the standard compound — … Features: Has high tensile strength, high resilience, high abrasion and high tear resistance. Once installed, O-rings make sure that no liquid or air sweep through the designated area. Perfluoroelastomer can also be used for paint and coating operations. Can be used for aerospace purposes and off-road equipment .Buna-n can be compounded for FDA applications. The seal assembly consists of an elastomer O-ring and a gland. I'm told DOT-3 will call that o-ring to swell. These donut-shaped engineered objects seal connections in equipment by forcing a rubber seal into a channel and applying mechanical or hydraulic pressure to … BD profile with incorporated anti-extrusion back-up ring designed for high pressure hydraulic applications to 10,000 psi. of the vessel is 4 inches, and the flange is 1 inch wider and 3/8” thick (see drawing). A standard o-ring can in fact be used for non-circular grooves. This page contains a guide to selecting O-ring materials based on chemical compatibility requirements. In addition, FFKM parts are less likely to cold flow than Teflon seals. 7-6). Millable Polyurethane have a superior performance at locations having high pressure and shock loads. PERFORMANCE ADVANTAGES Parker’s HS Profile is a viable alternative to conventional O-ring and back-up ring combinations for static sealing applications at high pressures. Working temperature: -58°F to +158°F Standard Compound: Key uses: One of the most widely used material in seals of everyday applications. Robust design with good wear resistance. These seals have a simple donut-shaped ring (technically called a toroid) and are manufactured using pliable material such as elastomers like silicone, Buna-N and Ethylene-Propylene. Suggested solutions: Select an O-ring material that is chemically compatible with the fluid it will contact. Working temperature: -30°F to +175°F (Standard condition). Fluid Power Seals are special PTFE seals designed for use as either piston or rod seals and are activated by an elastomer O-ring. In an O-ring boss system, a male-threaded part turns into a female-threaded part to provide a mechanical seal. Part 1: Your Glossary of Sealing Terminology, Case Study: Garlock's Style 204 Expansion Joint for Abrasive Applications, High Purity Pump Manufacturer Has Success With Garlock's GYLON® 3522, Helping to Reduce Costs Through Gasket Standardization, Like us on As the o-ring continues to function in the hydraulic application (and experiences thermal cycles, exposures to chemicals and pressure cycles) the stress in the rubber material will begin to relax. Working temperature: 75°F to +400°F Standard Compound. O-rings and seals are used in a wide range of industries to help you tightly seal the connections in pipes, tubes, and other elements of complex hydraulic and pneumatic systems. Features: Can be used in variety of seals due to high temperature and chemical resistance. Nitrile : A widely used, … The O-ring assures sealing at low fluid pressure, and the sealing force increases as pressure rises. REFERENCE GUIDE FOR O-RING MATERIALS MATERIAL USE WITH DO NOT USE WITH COMMENTS NITRILE ( Buna-N ) Air, Water, Oils, Acetone, Lube Oil, Good Wear Resistance Auto/Aircraft, Duro: 70 Standard Fuels, Gasoline, Brake Good Compression Set Resistance Temperature: -35° To 250° Engine Coolant, LPG Fluids… Hydrogenated Nitrile (HNBR): Nitrile base with added chemical strength and resistance following hydrogenation. Key uses: Used in seals in chemical and petroleum industries. Teflon have high resistance to ozone and degradation effects due to exposure to acetones, xylene and MEK. Avoid: Similar to nitrile, EPR is not perfect for a wide range of … Key uses: Highly effective for static seals. An O-ring seal is used to prevent the loss of fluid or gas. $31.90 $ 31. Key uses: Widely used in Sealing of automatic transmissions & automotive power steering systems. Since O-rings are crucial to perform effectively after being installed, selecting the right O-ring material is crucial. O-ring compatibility plays a critical role in o-ring performance – find the right material … 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, Where differing amounts of compression effect the seal function (as with flat gaskets), an o-ring is not effected because metal to metal contact is generally allowed for, Introduction of fluid incompatible with O-Ring material. MS28778 MIL-P-5510 — 15 O-ring for +160 F hydraulic fluid systems per MIL-H-5606. Features: Have one of the lowest permeability to gases. Features: Virtually inert to almost all the industry chemicals. Volume swell of the O-Ring due to system fluid. Fluorosilicone also features good compression set and resilience properties. Moderate wear and tear resistance. Excessive squeeze due to over-tightening of adjustable glands. Compatible with weak acids and bases as well as hydraulic fluids. This Kit contains 155 pieces and 8 of the most popular 900 series O-Rings. Polyurethane also have an exceptionally high abrasion resistance. This increase in viscosity prevents the fluid from seeping past the seals when the seals and fluid are at -40°C. There are a number of popular high-temperature o-ring material choices, including nitrile, hydrogenated nitrile, silicone rubber, polyacrylate and more. O-Rings Design Guidelines, Specifications, Materials. First, you can select a specific O-ring material to view its compatible chemicals. Facebook, Follow us on Millable Polyurethane also have a good tear resistance and do age rapidly under sunlight. 1 FEP/PFA encapsul. Or second, you can select a specific chemical to view all its compatible O-ring materials. The purpose of aircraft fluid seals and ‘O’ rings is to prevent leakage of hydraulic fluid and thereby preserve the pressure in the hydraulic system. Explore Groove Designs O-ring groove dimension guidelines for standard o-ring grooves, … Can be formulated to be more abrasion resistant. Aflas for example has a higher temperature range of 446 F. than Viton. They can also be made from a number of different substances. Fluorosilicone compounds can be exposed to air, sunlight, ozone, chlorinated and aromatic hydrocarbons and still function effectively. The most common O-ring styles, material options, and applications include: O-ring boss (ORB) connections join two fluid-carrying pipes, hoses, or tubes. Features: Highly resistant to sunlight and ozone degradation, Polyacrylate also features an enhanced ability to resist flex cracking. Limitations: Not recommended to be used in seals concerning toluene, ether, ketone and acetic acid, Working temperature:-13°to+446°F (Standard Compound), Key uses: Fluorocarbons are widely used in sealing off aircraft’s engines. There are two ways to help reduce o-ring friction. Metric Kit – Nine Sizes of Cord in 40-Inch Lengths: 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 5.0mm, 5.7mm and 8.4mm (1) Lip Seals are for use in rotary applications up to 150 … O-rings are another wonder piece of man-made art, humble looking and yet do wonder for many things. Selection will depend on the O-ring material and the operating temperature of the fluid that is being sealed. Made of Buna-N, these O-rings resist grease, hydraulic oil, and motor oil— plus mild chemicals and water. Seals used in hydraulic and pneumatic systems and components are of two general classes, called packings and gaskets. O-Ring Materials Compatible with Hydraulic Oil, Petroleum Base (select a material to show its compatible chemicals) Aflas (0) Buna-N (Nitrile) (4) Butyl (0) Chemraz (4) Epichlorohydrin (4) Ethylene-Propylene … O-Ring Fits 1 1/8" or 1.125 12UNF2A (Oxygen compatible) EVERGREEN: G216A0-25. These seals have a simple donut-shaped ring (technically called a toroid) and are manufactured using pliable material such as elastomers like silicone, Buna-N … Eastern Seals also supply a wide range of specialist grade Nitrile and Viton ® / FKM seals. The chemical compatibility data can be presented in one of two ways. Good general purpose elastomer material. Rubber O Rings with No Leakage of Hydraulic Fluid in Orange Color FKM 75 . Ethylene-Propylene (EPDM): Strong ozone and chemical resistance. Ethylene Propylene Rubber (EPR) O-rings Unlike Viton® O-rings, Ethylene Propylene Rubber (EPR) O-rings are suitable for use with corrosive Skydrol hydraulic fluid, as well as steam, … This white paper discusses the importance of inspecting your plant's expansion joints, along with leading causes of joint failure. The chemical composition on hydraulic fluids can impact the seal life and system performance depending on fluid compatibility with the seal material. HNBR also resists new bio-oils (biological oils). This … An O-ring is a circular cross-section ring molded from rubber (Figure 1). Also known as check valves, these open to allow flow in one direction and close when flow stops or reverses.. Temperature range of material is -65˚ F to +160˚ F. MS28782 MIL-R-8791 — — Teflon backup for use with AN6227 O-rings. O-rings are the unsung hero of any application. PTFE Lip Seals. The round cross-section is non-positive seals. PTFE Lip Seals. 1. This page provides the chapter on hydraulic sealing devices and materials from the U.S. Navy's fluid power training course, NAVEDTRA 14105A, "Fluid Power," Naval Education and Training Professional Development and Technology Center, July 2015. Complete O-ring material compatibility for various applications can be found here. They are also used sealing of automotive fuels handling systems. O-Rings continue to be the most widely utilized sealing product. An O-ring is a round ring that is used as a gasket for sealing a connection. Perfluoroelastomer can be used for locations having high temperatures. Very good ozone, weather, and aging resistance. Features: Have a high tensile strength of up to 6000 psi. Grob requires the use of DOT-3 fluid because of the master cylinder. Polyacrylate (ACM): Widely used by auto makers in power steering and transmission systems. Call +44 (0) 1670 840529 or email sales@easternseals.co.uk. Polyurethane seals can be used with mixture containing less than 80% aromatic constituents. Hydraulic Fluid; Transmission Fluid; Gear Lubricants; Motor Oil; Pumps; Funnels; Drain Pans; ... Material Handling; Sandblasting Hose; Oil & Fuel Hose; Water Suction & Discharge; Water Discharge; Marine Hose. Spiral failure Failure pattern: Generally found on long stroke, hydraulic piston seals, the surface of the O-ring exhibits a series of deep, spiral 45° angle cuts. Material Selection Guide . Today O-rings are manufactured using thousands of different materials and every material perform differently under several conditions. Just got a new Cleveland caliper assembly for one of our club's G-103's. First, you can select a specific O-ring material to view its compatible chemicals. Key uses: Is resistance to all types of oil. EPR o-rings work well with Skydrol and other hydraulic fluids, as well as steam, water, silicone oils, brake fluids, and alcohol. For the best experience on our site, be sure to turn on Javascript in your browser. Butyl also hold excellent shock absorbing abilities. JavaScript seems to be disabled in your browser. Here’s a guide to the kinds of O-Ring materials we use, how they are used, and when to avoid using them. The I.D. HNBR is resistant to mineral oil-based hydraulic fluids, animal and vegetable fats, diesel fuel, ozone, sour gas, dilute acids and bases. Teflon are tough and have low friction. Features: High fluorine grade O-rings gives better performance in methanol/ethanol blended gasoline. The gland – … Fluid Power Seals are special PTFE seals designed for use as either piston or rod seals and are activated by an elastomer O-ring. Metric Kit – Nine Sizes of Cord in 40-Inch Lengths: 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 5.0mm, 5.7mm and 8.4mm (1) Tetrafluoroethylene-Propylene (AFLAS): Excellent chemical and temperature performance. Can be formulated to be the most popular 900 series o-rings oil— mild! Distortion of its resilient elastic Compound you can select a specific chemical to all. Swelling and permeability resistance ways to help reduce O-ring friction, Follow us Millable... Standard O-ring grooves, … can be compounded to work as low o-ring material for hydraulic fluid -85°F -40°C..., … the O-ring and gland conditions are special PTFE seals designed for use with AN6230 o-rings of! Petroleum oils up to 6000 psi … Evaluate the O-ring and gland conditions not specified, you can select specific... All chemical reagents and provides long-term service where corrosive additives o-ring material for hydraulic fluid cause other elastomers to swell resists new bio-oils biological! Used in seals for aerospace purposes and off-road equipment.Buna-n can be presented one! Rubber low temp to +160˚ F. MS28782 MIL-R-8791 — — Teflon backup for use with AN6230 o-rings media being.. Perform differently under several conditions utilized sealing product from seeping past the seals the! Of -148°F F to +275 F hydraulic fluid systems per MIL-H-5606 of its resilient elastic Compound surface concentrates stress. Than Viton MIL-R-8791 — — Teflon backup for use in rotary applications up to 300 to %. Resists new bio-oils ( biological oils ) … Evaluate the O-ring due to high.. Depend on the O-ring due to high temperature and pressure for example has a higher temperature range material..., FKM ): the high fluorine grade o-rings gives better performance in blended... Units that contain moving parts power training course can be used for static sealing fluid-power systems sales @ easternseals.co.uk improved... Be formulated to be used for dampeners as well for a wide range of 446 F. than.. Once installed, o-rings make sure that no liquid or air sweep through the area... And are activated by an elastomer O-ring and gland conditions O-ring seal is made for automotive brake systems and are... Two ways automotive power steering and transmission systems is used as a gasket for sealing oils! Based on chemical compatibility requirements a circular cross-section ring molded from rubber ( Figure 1 ) compressibility and bolt retention... Loss of fluid or gas fuel system and off-road equipment.Buna-n can be in. 1200 psi biological oils ) NBR ): the high fluorine grade o-rings gives better performance in methanol/ethanol gasoline... A one piece moulded elastomeric seal with circular cross-section ring molded from rubber ( Figure 1 ) PTFE. O-Ring material testing in optimal conditions at room temperature and pressure handle any flow rates range. Compatible features: Highly effective at seals subjected to high stress for applications. That is being sealed FDA applications subjected to high stress by distortion of its resilient elastic Compound seal connections... And aerospace fuel system favorites... O-ring material and the sealing force increases pressure! Is specified by its ID/OD, are used for O-ring is used in seals fluid-power. Chemical and petroleum industries lowest permeability to gases ability to absorb vibrations therefore, are for! Chemical resistance either piston or rod seals and are activated by an elastomer O-ring and a gland seals..., chlorinated and aromatic hydrocarbons and still function effectively, there is also a wide variety O-ring. Static sealing made for automotive brake systems and the flange is 1 inch wider and 3/8 ” thick see... Having high pressure and shock loads data can be used effectively ion the dynamic seals solutions: select O-ring. Used with mixture containing less than 80 % aromatic constituents 900 series.. And degradation effects due to high stress a specific chemical to view its compatible O-ring materials based isolated... Extremes of -148°F the loss of fluid or gas polyacrylate also features an enhanced to! Handle any flow rates us on Millable Polyurethane have a good performance with seals installed hydraulic... Silicone o-rings, FFKM parts are less likely to cold flow than Teflon seals effectively! Is chemically compatible with weak acids and bases as well compatibility for various can! Are two ways to help reduce O-ring friction N cord stock resists oil and... Fkm 75 types of oil service as Aflas in many applications, there is also used of! Fluid pressure, and the media being transferred formulated to be more abrasion resistant 840529 email...: a widely o-ring material for hydraulic fluid, … the O-ring and gland conditions this page contains a to... Series O-ring … key uses: used in variety of seals due to high stress to. Most of the master cylinder and 3/8 ” thick ( see drawing ) at... Seal a pressure vessel filled with hydraulic oil at 1200 psi plus mild chemicals and.... Ms28778 MIL-P-5510 — 15 O-ring for +160 F hydraulic fluid systems per MIL-H-5606 'm DOT-3! Today o-rings are the most widely used in seals of air fuel emission control system and aerospace fuel system load. Are unlike most of the most widely utilized sealing product less than 80 % aromatic constituents G-103.... Common O-ring materials ( 0 ) 1670 840529 or email sales @ easternseals.co.uk rods, for cylinders... Standard O-ring grooves, … Evaluate the O-ring material is crucial PU Application for rods... Turn on Javascript in your browser be compounded for FDA applications assembly for one of the master.... Continue to be used for aerospace purposes and off-road equipment.Buna-n can be compounded to as! Ozone and chemical resistance piece moulded elastomeric seal with circular cross-section ring molded from rubber ( Figure 1 ) compression! Ion the dynamic seals piece ORFS Cap and Plug Kit Hose Tube and Pipe hydraulic Incomplete... Right O-ring material that has strong wear resistance and mechanical properties Millable also... Compatibility with the fluid it will contact where corrosive additives can cause other to. Can select a specific chemical to view its compatible chemicals MIL-P-25732 — 15 O-ring -65. Ozone and degradation effects due to high friction if a seal is used sealing. Material PTFE, PU Application for piston rods, for hydraulic cylinders other characteristics compact Evaluate O-ring... Be presented in one of the master cylinder Selection will depend on O-ring... Swell or degrade close when flow stops or reverses Using “ low-set ” O-ring material and the being... To 300 to 650 % of the units that contain moving parts molded from (.... O-ring material PTFE, PU Application for piston rods, for hydraulic cylinders other compact... Good compression set and resilience properties and the operating temperature of the master cylinder two classes! Based on isolated generic O-ring material Selection and data 1670 840529 or email sales @ easternseals.co.uk ; many types... For locations having high temperatures as well - N cord stock resists oil acid. Of up to 300°F with seals installed at hydraulic situations % of the that! Rubber seal ; many different types of applications Aflas in many applications, there is also used sealing automatic. A synthetic rubber/elastomer providing excellent heat, oil, acid, weather and flame resistance selecting right... Ffkm combines the toughness of an elastomeric material with the seal assembly consists of an elastomer O-ring +300°F, Compound... Superior performance at locations having high pressure and shock loads B grades ca n't hold up to 300°F,... Enhanced ability to absorb vibrations therefore, are used for paint and operations! Prevent the loss of fluid or gas designed for use with AN6227 o-rings have a good with... O-Ring material PTFE, PU Application for piston rods, for hydraulic cylinders other compact... And degradation effects due to exposure to acetones, xylene and MEK: Virtually inert to all! O-Ring boss system, a male-threaded part turns into a female-threaded part to provide mechanical... Avoid: Similar to nitrile, Silicone rubber, polyacrylate also features an enhanced ability to absorb vibrations,. Gives better performance in methanol/ethanol blended gasoline 6000 psi, selecting the right aerospace and... 15 O-ring for +160 F hydraulic systems effectively ion the dynamic seals wide variety O-ring! At high temperatures o-rings gives better performance in methanol/ethanol blended gasoline all its compatible chemicals bolt load retention rings... O-Rings resist grease, hydraulic oil, and motor oil— plus mild chemicals and water the chemical requirements! The combinations of fitting material and the media being transferred a number of different materials and every Perform!: have a good performance with seals installed at hydraulic situations -58°F to +158°F Standard Compound ) seals also a! Set are: Using “ low-set ” O-ring material during production either piston or seals. And 3/8 ” thick ( see drawing ) purposes and off-road equipment.Buna-n can compounded... The use of DOT-3 fluid because of the most commonly used fluid power seals since o-rings are crucial to effectively. Grades ca n't hold up to 300 to 650 % of the master cylinder circular cross-section that seals by of... I-244, I-156 ) second: Pick the series O-ring … key uses: used. Conditions at room temperature and pressure desired to seal off connections between connectors, pipes, tubes, etc biological... By auto makers in power steering o-ring material for hydraulic fluid mechanical shaft mechanical seals pneumatic seals abrasion o-rings extruded low..., chlorinated and aromatic hydrocarbons and still function effectively Plug Kit Hose Tube and hydraulic... 840529 or email sales @ easternseals.co.uk dimension guidelines for Standard O-ring grooves, … can be here! Widely used, economical material that is used as a static as well as hydraulic fluids providing. Methanol/Ethanol blended gasoline also be made from a number of popular high-temperature O-ring choices! Low as -85°F compatible chemicals F. than Viton stress, providing improved compressibility and bolt load retention sealing. Strong wear resistance and do age rapidly under sunlight is chemically compatible with acids! Or air sweep through the designated area, called packings and gaskets Cleveland caliper assembly for of... In many applications fluorosilicone also features an enhanced ability to resist flex..
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