Therefore, all containers should be opened and used only in well-ventilated areas. Many manufacturers default to nitrile O-rings because this material is more affordable, but in doing so, they miss out on the unique advantages Viton brings to the floor. Wyatt Sealis proud to offer a variety ofParker O-Rings, Kalrezo-rings andcustom o-ringsto support every projects unique needs. Responsive expert service. O-Ring Temperature Range: Purchasing O-Rings by Temperature - Wyatt Seal This guide is intended for general reference use only. Viton Fluoroelastomer O-Rings | McMaster-Carr The guide includes generalized recommended o-ring mateiral uses and non-recommended uses with typical material mechanical properties. Viton o-rings from allorings.com have great chemical and temperature resistance. PDF Technical Handbook O-rings 5. Designing with Rubber - Eriks USA Viton is a synthetic, high-performance fluoropolymer elastomer (rubber) commonly used in o-rings for rigorous applications. Considering the maximum and minimum temperatures that will provide a seal will help narrow down material choices on each side of the spectrum. Base Resistance: % Loss of Elongation @ Break. Viton also resists oxidation, ozone, and mold, as well as ultraviolet rays and adverse weather conditions. Table of Contents When we compare the two, Viton is more temperature resistant but lacks the chemical resistance of Teflon (PTFE). [2] It is commonly called fluorine rubber or fluoro-rubber. This chart depicts the maximum temperature range for each elastomer. Gas permeability is very low and similar to that of butyl rubber. When rubber is introduced to chemicals, it can absorb the fluid like a sponge, causing it to swell. Unfortunately, due to polytetrafluoroethylene material properties, pure PTFE O-rings are very rigid and hard to apply. This popular o-ring material family comparison shows basic rubber material family properties and performance plastic properties. With intense versatility and resistance properties, Viton is typically the right material choice for more heavy-duty applications. Viton o-rings from Marco Rubber offer excellent compatibility with a range of chemicals, oils and resist high temperatures up to 400F. Find more at: www.GlobalOring.com . Temperature Range: Standards -15F to +400F, but some Parker FKM Viton compounds can tolerate temperatures down to 65F and up to +450F. Applications & Standards for Viton O-Rings FKM has good resistance to petroleum products and a wide spectrum of chemical compatibility. This wide spectrum is due to the materials from which o-rings can be manufactured. Viton GLT has a more broad usable thermal range of -45 C to 275 C and outstanding in aggressive HTS-type oils, applied in aerospace applications. Low molecular weight esters and ethers. Just like Viton, this elastomer has good compression set resistance. Viton is a trademark of The Chemours Company FC, LLC. [15] An example are FKM o-rings used as an upgrade to the original neoprene seals on Corvair pushrod tubes that deteriorated under the high heat produced by the engine, allowing oil leakage. (73 F), Concentrated H2SO4 @ 70 C Viton has outstanding resistance to heat. Everything You Need to Know About Filter Seals, Everything You Need to Know About Medical Grade Materials. and Aromatic Hydrocarbon Process Fluid Chemicals. O-Ring Material Temperature Guide - Web Seal Inc. Rochester NY Benefits. But for short working periods it will take even higher temperatures. Viton also is known for its excellent chemical resistance, making it a universal o-ring material. Buy Viton O-Rings | FKM, ETP, GLT & GFLT | Marco Rubber Facility managers and maintenance crews use Viton O-rings to seal specialty valves and gaskets as needed. There are two main categories to decipher when using temperature as a guide to purchasing o-rings. Both Viton and nitrile O-rings have good abrasion and tear resistance, but nitrile will have higher resistance. Food and pharmaceutical, because of their low degradation, also in contact with fluids; This page was last edited on 22 February 2023, at 06:23. Viton O-rings have an extremely wide temperature range -50C to +205/230C (-15F to +400/440F) Low compression set and low gas permeability Resistant to: Petroleum base oils and fluids, some phosphate ester base fluids, silicone and silicate ester base lubricants, acids and halogenated hydrocarbons. This is a critical stage in development, as every rubber compound carries its own strengths, weaknesses and sealing capabilities. Nitrile is another material that is commonly used to fabricate O-rings. They are the first choice for clean applications and are particularly popular in the semiconductor industry. | Sitemap, Registered Office: ERIKS N.V. - Chamber of Commerce North-Holland: 37 01 32 89 - VAT Number: NL003.076.490.B02, Viton O-rings have an extremely wide temperature range -50C to +205/230C (-15F to +400/440F), Low compression set and low gas permeability, Viton O-rings have excellent resistance to acids, mineral and vegetable oil and greases, fuels, aliphatic, aromatic and chlorinated hydrocarbons, non-flammable hydraulic fluid and several organical sovents and chemicals, Viton O-rings are exceptionally resistant to aging, chemical and ozone attacks. . Moderate Short-Term Resilience
Originally developed by DuPont (under the brand name Viton, now owned by Chemours), FKMs are today also produced by many companies, including: Daikin (Dai-El),[4] 3M (Dyneon),[5] Solvay S.A. (Tecnoflon),[6] HaloPolymer (Elaftor),[7] Gujarat Fluorochemicals (Fluonox),[8] and several Chinese manufacturers. PDF Technical Information - Viton Temperature Range:-260F to 300F. PTFE seals are often used in food, pharmaceutical, and medical industries. Viton vs. Nitrile O-rings Which to Choose? Viton O-Rings | Allied Metrics Seals & Fasteners, Inc All Rights Reserved. - 59 to 120. On the basis of their chemical composition FKMs can be divided into the following types: There are three established cross-linking mechanisms used in the curing process of FKMs. High Temp O-Ring & Low Temp O-Ring Ranges | ESP International Ultra-low temperature FKM commercial grade Wide chemical resistance including H2S and Oxygenated fuels. When we talk about fluorocarbon O-rings, Viton is a popular trade name that may come into your mind. View the chart below or contact our experts to learn which is best for your application. FPM is the ISO designation, FKM is the ASTM disgnation. Additionally, temperature highs and lows are often given in terms of prolonged functional abilities, which may raise the minimum or reduce the maximum this is important to remember, as your o-rings will not be used once or twice in quick bursts but will be counted on for extended time periods under these heat conditions. )[citation needed]. Fluorocarbon (FKM) compounds combine high-temperature resistance with excellent chemical resistance. For more details, see the full Product Selection Guide, the Chemical Resistance Guide, or Contact us. AFLAS. Full operation at 450F will shorten parts' lifetime more than full operation at -15F. Vito, Dai-El and Technoflon are brands for FMP polymers. If it is subjected to this temperature continuously, it should perform reliably for 1,000 hours. Additionally, environmental factors set these materials apart. Please contact an application engineer for assistance in selecting the compound that provides the best combination of performance and price for your specific application. Wide temperature range: -50F to 400F Low compression set RGD resistant per ISO 23936-2 H2S resistant per ISO 23936-2 (up to 10%) A wide range of chemical compatibilities Low-temperature. PTFE O-rings are compatible with the widest range of chemicals, such as acetone, isopropyl, methyl, etc. Range of withstood temperature is important for applications that will swing from hot to cold and vice versa, in addition to the products that will be used to seal multiple types of projects. At high temperatures or in a fire, fluoroelastomers decompose and may release hydrogen fluoride. When we talk about fluorocarbon O-rings, Viton is a popular trade name that may come into your mind. Amines (Ammonia)
. O-Ring Temperature Range: Purchasing O-Rings by Temperature. Fluoroelastomers are more expensive than neoprene or nitrile rubber elastomers. [2] It is commonly called fluorine rubber or fluoro-rubber. Excellent Resistance to More Chemicals & Solvents Viton ETP Extreme. Technical Handbook O-rings Lower compression set values indicate improved remaining seal capacity. In fact, one Viton o-ring can withstand temperature ranges from -13F to 446F. Buna vs. Viton O-Rings: What's Best for My Pump? O-ring material selection guide. Viton O-ring seals are the preferred material for systems that regularly reach these temperature extremes. Viton O-Ring Temperature Range. FKM and Viton material types for high temperature seals and chemical resistant gaskets include the following specific types: A, B, F, GLT, GFLT, XLT, ULT, ETP, TBR. Not a complete list of offerings. Your message A major differentiator between the Viton product families is fluid resistance, which is based on the polymer's fluorine level. A-331C. Many industries use a combination of Viton and nitrile O-rings to seal systems. Click a material family row for details and compounds. Since 1980, our solutions have delivered reliable, long-lasting success for customers worldwide. The Hope Group WinsParker Diamond Team Award, Join Us at the 2023 Customer Appreciation Days and Open House. The shelf life for industrial seals varies among different materials. Performance Differences Between Major Families of Viton Fluoroelastomers, Fluid Resistance: % Volume Increase After 168 Hours. The general accepted range for o-ring use is approximately -75 degrees and 620 degrees Fahrenheit. (158 F), 33% Solution of KOH: 336 Hr @ 40 C (104 F), ASTM Ref. Consult a Marco Engineer for more details. Excellent resistance to acids, fuels, mineral and vegetable oils and greases, aliphatic, aromatic and chlorinated hydrocarbons, non-flammable hydraulic fluids (HFD) and many organic solvents and chemicals. Discover this guide on why shelf life matters and which materials have specific shelf lives. This is not the problem when you find a category of products that can withstand temperatures from below zero to far above the boiling point of water, range of temperature is not the problem. There are four major families of Viton fluoroelastomers: A, B, F, and ETP, each with its own unique performance characteristics. Once a high-end and low-end temperature are determined, knowing how much change the material can withstand is the next big step in purchase decisions. This gives Viton superior performance abilities in Ethanol/Methanol blended gasoline applications. Excellent mold flow, high elongation/tear resistance. A detailed list of fluids/chemicals with their compatibility ratings for use with the most common O-Ring materials. Viton (Fluorocarbon Type A) Order O-rings Online : Standard: -15F to 437F Specialty: -54F to 437F : Which O-ring material is right for my application? Chemical Processing Industry Seals (CPI Seals), Chemical Processing Industry O-rings (CPI O-rings), Refrigerant System Seals (Freon O-ring Compatibility, R22 Refrigerant, R134 Refrigerant, R410A Refrigerant, Ammonia O-rings), Aerospace O-rings and Aerospace Rubber Sheets (SAE Compliant O-rings, AMS O-rings, MIL O-rings). Maximum temperature recommendations are based on long term functional service. Higher temperatures may be considered if exposure is short or intermittent. It holds up very well against acidic and petroleum-based compounds ranging from polymers to auto fuel. Thats where Finite Element Analysis (FEA) can help you save valuable time and money in your search. Hundreds more specialty compounds available. EPDM has a spotless reputation in the sealing world because of its excellent resistance to heat, water and steam, alkali, mild acidic and oxygenated solvents, ozone, and sunlight (UV). Resistant to: Refrigerants (freons, ammonia), high aniline point petroleum oils, mild acids, and silicate ester lubricants, Not recommended for: Phosphate ester fluids and ketones. [3] All FKMs contain vinylidene fluoride as a monomer. There should be a material fit for your application. Viton ETP is usually applied in the chemical industrial field. They are also less susceptible to decay under increased oxygen conditions. Fluid resistance generally improves with increasing levels of fluorine (see the table below). Actual temperature range of a compound in an end-use application is highly dependent on part type, hardware configuration, applied forces, chemical media, pressure and thermal cycling effects, and other factors. High Temperature Performance F (C) (Basic Static Applications), Low Temperature Performance F (C) (Basic Static Applications). However, Viton offers a number of advantages over nitrile in many scenarios. Which O-ring material is right for my application? The quality standard of the O-ring used for the closed cell is JIS (the Japanese Industrial Standard) B 2401-4D-p-12.5. Silicone O-rings have many outstanding properties, including excellent flexibility and fatigue life, strong ozone, and UV radiation resistance. Able to withstand heat up to 450 F, these O-rings maintain a strong seal even when the temperature rises. Over the last years fluorcarbon Viton O-rings have grown major importance in the seal industry and are even considered the most significant single elastomer developed in recent history. Before choosing Viton as your trusted material, heres everything you need to know about it. The materials and compound numbers listed are the most commonly used. Viton vs. Teflon (PTFE) O-rings: Which One to Choose? - Hongju 832-448-5550 | Hours: 8am - 5pm CST, Monday . Request a quote to place an order or contact us for more information. Viton O-rings have a temperature range of -20C (-5F) to 210C (-410F). Request a quote to ship today. Terpolymers B-, F-, AL-Type Fluoroelastomers, Extrusion Process Aids That Address Extrusion Issues, The Right Elastomer for Turbocharger Hoses White Paper, Flexibility at low temperature (ability to maintain a seal at low temperature). Discover how metal detectable o-rings, seals, and gaskets help manufacturers in the food and beverage industry enhance operations while meeting safety standards and regulations. Its important to note, however, that standard grades of Viton do not offer the same resistance to steam and ethanol fuels and should not be used in these applications. Temperature - OringsUSA Viton O-Rings | Global O-Ring and Seal Set: O-Rings, 70 Hrs @ 200 C (392 F), Fuel C/MeOH (85/15) @ 23 C PDF Viton Selection Guide - Global O-Ring and Seal A major differentiator between the Viton product families is fluid resistance, which is based on the polymer's fluorine level. - 4 to 232. Base resistant grades also offer improved resistance to amine based oil protectants found in new transmission oils. This synthetic rubber polymer is commonly used in o-ring applications for aircraft engines, automotive fuel handling systems and other applications requiring high temperatures and low compression set. While Viton is resistant to a long list of chemicals, it is not recommended for exposure to: In contrast with its high-temperature resistance, Viton does not retain flexibility at low temperatures, so it is not recommended for low-temperature applications. Commonly employed in various gasket, o-ring and other rubber sealing solutions, Viton has become a reliable material for automotive seals, transportation fuel applications and aerospace seals, pumps and valves. Compare to Parker V7594B, Viton GLT Low temperature resistance, improved Water, Steam and Mineral Acids resistance, Very hard extrusion resistant type A FKM, compare to Parker V1238-95 and Parco 9021-95, Viton GF-S best value for widest chemical resistance FKM, Extended low temperature FKM, Wide chemical resistance including H2S and Oxygenated fuels, compare to Parker V1289-75, Viton F material for increased solvent and general chemical resistance, AED resistant Viton GLT, Norsok M710 and NACE TM0297 tested, USP class VI medical grade, USDA 3A and FDA compliant, Metal detectable, FDA compliant type A FKM. Weve spent decades gathering first-hand knowledge of how different material O-rings perform under different conditions. Maximum temperature recommendations are based on long term functional service. Viton is a specific brand of Fluorocarbon (FKM) and is a registered trademark of The Chemours Company. Fluorocarbon O-rings should be considered for use in aircraft, automobile and other mechanical devices requiring maximum resistance to elevated temperatures and tomany fluids. Welcome to the world's largest database of specialty and standard sealing products. The performance of fluoroelastomers in aggressive chemicals depends on the nature of the base polymer and the compounding ingredients used for molding the final products (e.g. Order Viton O-Rings from the worlds largest Viton O-Rings inventory network. Excellent Permeation Resistance, Middle-Fluorine Content Type (B-, GBL-TYPE, 67~68.5% fluorine), High-Fluorine Content Type (F-, GF-TYPE,70% fluorine ), Improving Low-Temperature Flexibility Type (GLT-, GFLT). Fluorocarbon (FKM) compounds combine high-temperature resistance with excellent chemical resistance. FKM is a family of fluorocarbon-based fluoroelastomer materials defined by ASTM International standard D1418,[1] and ISO standard 1629. 5920 Dry Creek Lane NECedar Rapids, IA 52402, We use cookies to ensure that we give you the best experience on our website. Viton is also known as FKM made of fluoroelastomer one of the most versatile and widely used sealing materials. Most popular elastomer O-ring material. FFKMs are the cleanest/purest compounds available on the market. The most practical way of determining an end-use temperature range is testing in the actual application conditions. Maximum temperature recommendations are based on long term functional service. Viton - an overview | ScienceDirect Topics FKMs are used because they have a lower probability of catching fire, even with the increased percentages of oxygen found in nitrox. We offer the largest inventory of specialty and standard sealing solutions backed by best-in-class technology, service and support. Viton temperature rating | O-ring In general, depending on a number of factors including grade of o-ring and precise application, the Viton seal working temperature range is held to be between -26 C and +205 C, although they can withstand higher temperatures . FKM tubing or lined hoses are commonly recommended in automotive and other transportation fuel applications when high concentrations of biodiesel are required. O-Ring Temperature Range: Purchasing O-Rings by Temperature, What is Finite Element Analysis (FEA)? They include but are not limited to operating conditions, chemical compatibility, sealing pressure, temperature, durometer, size, and cost. Dueto its wide range of temperature range,chemical compatibility, low compression set, and excellent aging characteristics,fluorocarbonelastomers (FPM, Viton)have grown to major importance in the seal industry. They can provide consistent seals for indefinite systems that reach up to 400F. In the SAE J200 ASTM D2000 classification system for rubber materials Fluoroelastomers are documented as a HK. All rights reserved. . With exceptional chemical resistance, Viton offers swell resistance in high octane and oxygenated fuel blends. Polytetrafluoroethylene (PTFE) O-rings are designed to be used in harsh environments with temperatures ranging from -450F to 600F. As a trusted Viton O-Ring supplier, in addition to the standard compounds, we can supply: O-rings are used in seals that have to maintain consistent performance in the face of a wide range of temperature extremes. Because Viton O-Rings have a high resistance to extreme heat (even flames), chemicals, oils, solvents, and weathering, theyre often used in the automotive, chemical processing, and aerospace industries in addition to many others. High-Temperature O-Ring Assortments. Also known as Boss O-rings, these hard Viton fluoroelastomer O-rings are for use in tube fittings with a straight-thread connection. There are numerous compound variations designed for specific applications. When a project or situation needs sealing, the vast majority of the time an o-ring does the trick. Chemical compatibility is extremely important during the material selection process to ensure your material will not react when introduced to specific chemicals. The temperature ranges presented above are approximations for dry air service only and should not be used to determine design specifications or end-use temperature limits. Their most common applications are in the following industries: Within these and other industries, O-rings are frequently used for: For general FKM O-Ring types, the hardness is from 50 to 90 Shore A. O-rings are doughnut-shaped rings, often made of rubber, plastic or another polymer, which are used to prevent fluid or gas loss in a machine. This can be damaging to a seal, since excessive swell can cause premature failure. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); ADDRESS 70 Bearfoot Road Northborough, MA 01532. This material is also called Buna or NBR. All of the above elastomer families as well as those specials not listed are available in many specialty formulations. Depending on the specific situation, you may also look at abrasion, tear, ozone, electrical resistance properties. Furthermore, they have low gas permeability and low absorption. This gives Viton superior performance abilities in Ethanol/Methanol blended gasoline applications. Fluoroelastomers provide excellent high temperature (up to 500F or 260C[11]) and aggressive fluids resistance when compared with other elastomers, while combining the most effective stability to many sorts of chemicals and fluids such as oil, diesel, ethanol mix or body fluid.[4]. Full operation at 450F will shorten parts lifetime more than full operation at -15F. Marco Rubber & Plastics is an industry leader in custom sealing solutions that go beyond the limits of catalog commodities. FKM O-rings have been used safely for some time in SCUBA diving by divers using gas blends referred to as nitrox. Copyright 2023 Marco Rubber and Plastics. USA AS568 Parker O-Ring Size Chart, X-Ring Square Ring Size Charts. Standard o-ring tolerance charts, x-ring tolerances, molded rubber tolerances, extruded tolerances and rubber sheet tolerances. If you have questions about which material is ideal for your O-ring application or even whether the material youre currently using is correct for your application,reach out to us today. Viton also is known for its excellent chemical resistance, making it a universal o-ring . This helps designers and engineers to balance the fluid resistance and low-temperature flexibility of the final vulcanization. General purpose, low cost & high inventory FKM, AMS-R-83248 M83248/1-### PER MIL-R-83248 TY-1 CL-1, available in a UL recognized grade, compare to Parker V0747-75, Brown FKM Viton, improved oxidation resistance, compare to Parker V884-75, M83248/2-### PER MIL-R-83248C TY 1 CL 2, compare to Parker V0709-90, M83485/1-XXX PER MIL-R-83485 GLT-type FKM Improved low temp resistance, compare to Parker VM835-75, General purpose high durometer, good in high pressure and dynamic applications, compare to Parker VA153-90, General purpose softer FKM, compare to Parker V0986-50, General purpose softer FKM, compare to Parker V0769-60 and Parco 9009-60, White FKM, improved oxidation resistance, compare to Parker V1033-70, Internally lubricated with PTFE, reduces surface friction and sticking, similar to Parker V0848-75, Viton ETP, base resistant , best chemically resistant FKM, compare to Parker V1260-75, Viton GFLT recommended for Oxygenated Automotive Fuels (containing MeOH, EtOH, MTBE, etc. Below is a quick reference chart to some of the main o-ring materials and their approximate o-ring temperature range amounts: O-Ring Temperature Range in Degrees Fahrenheit (F). Auto & Aircraft Brake Fluids
It's impervious to mineral oil, ASTM oil No.1 and No.2, non-flammable hydraulic fluids, silicone oil and grease. O-ring groove dimension guidelines for standard o-ring grooves, metric o-ring grooves, JIS o-ring grooves, and other o-ring gland designs. For others type 60 to 90 Shore A are appropriate. All Viton A-type fluoroelastomers offer temperature and chemical resistance, but different grades may also provide additional benefits.
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Zombicide 2nd Edition Painting Guide, Cremation Jewelry, Rose Gold, Flyte 18" Midi Scooter Suitcase, 2-30 Mhz Broadband Antenna, Orange Peeler Electric,