Iqs directory provides a detailed list of viton oring manufacturers and suppliers. Avoid polar solvents, amines, anhydrous ammonia, hydrazine and hot acids. It combines the positive properties of a ptfe oring with the elastic behaviour of an fkm viton oring. Viton commercial grade rubber sheets are resistant to oils, petrochemicals and fluids with high lubricity. For this reason, orings made in viton, kalrez 4079, and kalrez 6375 were selected to be tested.
Compound nummer, chemische bezeichnung, harte irhd 5, beschreibung anwendung, zertifikate konformitaten, farbe, temp. Viton ring gaskets, type a black color, fabric finish, 150 pound ring gasket. Most of these sizes are readily available from eriks stock in. They are suitable for acids, aliphatic hydrocarbons, oxidizing agents and all petroleum products. Compatibility study of viton, nbr 70 and epdm orings with. Autoclave engineers oring closure pressure vessels, model or, and oring closure compression cylinders, model oc and od, offer a simple, reliable, and economical alternative to the autoclave engineers selfsealing closure where high temperature operation is not required. Designed for use in a wide variety of sealing applications. Identification of the substancemixture and of the companyundertaking. Trelleborg sealing solutions is a major international developer, manufacturer and supplier of seals, bearings and molded. Since 1981, gmors has served as the leading rubber. Comparison of leakage characteristics of viton and polytetrafluoroethylene ptfe seals in gaslift valve applications article pdf available in journal of energy resources technology 91. When a seal takes a set, it no longer exerts force on the mating surfaces, resulting in leakage.
Parbak backup rings prevent extrusion in highpressure applications and help retain lubricant, extending oring life. Ffkm orings kalrez equivalent compounds eastern seals. Oring kits kits are conveniently arranged with various size orings for repair, assembly and workshop. Accessories products to assist oring users include assembly greases and lubricants, sizing cones and extraction tools. Viton 75 ram gasket material data sheet the co upays products are used for a uultiplicity of purposes ad as the company has no control over the method of their applications or use, the company excludes all conditions or warranties, expressed or implied by statute or otherwise, as to their products andor their fitness for any. Ffkm orings offer resistance to almost all chemicals. The viton a is a fluoroelastomer dipolymer comprised of vinylidene fluoride and hexafluropropylene. Oshaped rubber rings composed of high temperature rubber compounds are characterized in terms of stiffness and damping coefficients in the frequency range 100800 hz. Products made with viton fluoroelastomers retain their flexibility, shape, and seal when exposed to chemicals and high temperatures. This oring set is made of brown viton, has a durometer of 75a, and includes 382 pieces covering 30 dash sizes.
Viton oring kit, brown, viton, 75a durometer, 30sizes. Viton is a dupont dow elastomers trademark for fluorocarbon elastomer. Wb4 walking beam pump office phone 337 2359838 fax 337 2359852 lafayette, louisiana, usa email. Viton has a low compression set and high temperature resistance. This type of polymer is used extensively by eriks, however we do not claim or promote the use of any specific brands of polymers in our compounds.
Eriks technisches handbuch oringe eriks deutschland gmbh. Viton ams 7276 parco 900975 fluorocarbon seals general characteristics 1. How to recognize and avoid the common causes of oring failure. The material of the failed oring was fkm, which was specified by the shuttle motor contractor, mortonthiokol. Oring, viton, nbr, epdm, compatibility, solvent resistance. These oring kits contains the orings which is most commonly used size for industrial and automotive application. The table below shows the available datasheets for this material in pdf. The chemical and heat resistance of ffkm is similar to ptfe. Metric oring sizing is determined by the orings inside diameter and.
The oring kit is ready to use and will give you easy access and storge to whatever size you need. I need to make some o rings that have a 1mm cross section, larger id than is stocked by o ring suppliers. Simple formulas with frequency independent coefficients were identified to express the. The following metric oring size chart is the orings which is most commonly used in our customers.
View detailed export data, price, monthly trends, major exporting countries, major ports of viton o rings under hs code 4016. The data given should be used cautiously, and as a guide only. Electronic pdf versions of the oring handbook are available on our website. Click below to check inventory for as568 and metric viton orings, or submit the product inquiry form if you need a special type or size of viton oring you cant find. There are some ingredients used in compounds which cause. For oring sizes other than standard sizes, specify the actual dimensions desired for the inside diameter i. To perform properly, seals must resist taking a set from compression after being installed. Viton orings are an upgrade to the original neoprene seals on corvair pushrod tubes that deteriorated under the high heat produced by the engine, allowing oil leakage. Export data and price of viton o rings under hs code 4016. Fluoroelastomer rubber provides superior resistance to highly corrosive acids and is excellent for handling aliphatic and aromatic hydrocarbons. Viton is especially good for vacuum service and low gas permeability and has a useful. Viton a packing, oring groove seal viton a gasket boss seal viton a superseding part number ms28775 ms28778 ms28778 none none 3 n16980 none none none none none none none ms28776 none none.
Our products can be exposed to a huge variety of chemicals. This metric oring is made of black viton and has a durometer of 75a, a round crosssection, and can be used across a wide temperature range 15 degrees f26 degrees c to 400 degrees f205 degrees c. Viton o rings and fkm o ring materials have very high resistance to temperatures and chemicals. Provides good chemcial provides good chemcial resistance to petroleum products and solvents. Marks inscribed along the slot identify viton, kalrex, nitrile or bunan, and.
Common colours include black, brown and green in a variety of shore hardness. Fluorkarbon fkm zeichnet sich neben ausgezeichneter bestandigkeit ge gen hohe. View details of o ring viton exports shipment data to australia with price, date, hs codes, major indian port, exporters, supplier, quantity and more. These include inorganic acids, alkalines, ketones, esters, alcohols, fuels and hot water. This flouroelastomer is very versital and can be altered through its fluorine content to cater to many. This paper concerns the dynamic characterization of rubber orings used to introduce damping in high speed gas bearing systems. Orings are typically sized by their inside diameter and cross section, and are further specified by the type of compound used. Viton freeflow extrusion process aids also improve processing, increase output, and reduce waste. Place the orid over the oring and raise the weight all the way to the top of the tube as far as it will go. Oring guide parker hannifln prdifa technolgy division introduction introduction parbak backup rings parbak backup rings prevent extrusion in highpressure applications, help to maintain the lubricant film and thus prolong the service life of orings. These oring sizes correspond to us standard as568, british standard, swedish, as well as many common metric sizes according to din and iso standards. Viton 75, viton properties, viton rubber mykin inc. Oring, brown viton for sampler qty5 for perkinelmer elan 6000, elan 6100, elan 9000, elan drce, elan drc ii and elan drc plus. To determine an orings rubber compound, place the oring on a stable table or surface.
Pdf comparison of leakage characteristics of viton and. We are the factory who make metric oring, nbr,silicone,viton,epdm material are availiable for making orings. An oring, also known as a packing or a toric joint, is a mechanical gasket in the shape of a. Very good resistance to many aliphatic hydrocarbon fluids that act as solvents for many other rubbers. Fluorocarbon orings should be considered for use in aircraft, automobile and other. Orings are the most commonly used seals in fluidpower systems. Parkers inphorm for orings provides a great deal of assistance in seal material selection. With a wide variety of sizes available, metric orings fill in the gaps left by the standardized as568 oring chart.
I think the rings could be made by cutting out of a sheet. Rubber products applications whatsoever critical environments, media or applications are, gmors sealing solutions can match you always. The rings have a round crosssection and can be used across a wide temperature range from 15 degrees f 26 degrees c to 450 degrees f 232 degrees c. Find viton oring companies that can design, engineer, and manufacture viton orings to your specifications. Viton is used in aftermarket float valves needle and seats for su carburetors, for its fuel resistance and resiliency for sealing. A broad range of resistance to oils, fuels, lubricants and most mineral oils. The data table below is an application guide, and indicates the. Viton commercial grade rubber is the most common viton material. Nitrile nbr 70 and 90 shore a, fluoroelastomer fkm viton 75 and 90 shore a, perfluoroelastomer ffkm. Email this page download pdf download pdf printable page. Pdf this paper concerns the dynamic characterization of rubber orings used to introduce damping in high speed gas bearing systems. Oring closure pressure vessels erie technical systems.
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