Download Seal-Master Brochure . In the following chapter we will give an overview over the most important oil seals and their applications and specifications. Use of this website signifies your agreement to our Terms of Use. Any break in the meniscus will result in leakage. Oil seals are functional parts used to seal oil. It performs well in contact with oils and many chemicals. Another form of labyrinth seal is a laminar sealing ring, which uses a series of flat metal washer-like rings of varying diameters to create a labyrinth seal. Standard Oil Seals 30 - 40 10 - 20 0.25 - 0.50 PS-I Oil Seals 50 - 70 4 - 8 0.10 - 0.20 Bearing Isolators Not Specified 64 maximum 1.63 maximum Required Shaft Required Shaft Finish Seal Type Hardness µin (micro- µm (micro-Rockwell C inches) Ra meters) Ra Table 1: Shaft Requirements Table 2: Determination of Lead (Source: RMA Hanbook OS-1/1985) Suggested operating temperature (-25° to 350° F). In addition, the operating speed and temperature must be considered when using a labyrinth seal. HOW TO USE THIS CATALOG The seals listed in this catalog are arranged by shaft size and part number. Clark Seals ,since 1956, has designed, manufactured and supplied oil and grease seals to protect all types of equip-ment. Seal is symmetrical and works equally well as a rod or a piston seal. A synthetic rubber that resists degradation from sun, ozone, and weather. Imperial Oil Seals. An elastomer is a polymer that has the elastic properties of natural rubber. API FA-4 oils are designed to provide enhanced protection against oil oxidation, viscosity loss due to shear, and oil aeration as well as protection against catalyst poisoning, particulate filter blocking, engine wear, piston deposits, degradation of low- and high-temperature properties, … This dimension refers to the axial cross section, or thickness, of the seal. Suggested operating temperatures from (-40° to 300° F). This dimension is commonly used for seals such as V-rings, back-up rings, piston rings, and pipe seals. As each country has different regulations for the use of steel, we make two tables to let you understand easier. Oil & grease seals are used to retain or separate lubricants or fluids. The spring helps keep the sealing lip in contact with the shaft. we can supply national oil seal for usa truck, cr oil seals for hub,steering,engine ,we use the material of nbr,fkm,acm,ptfe and so on ,for more detail,pls mail … A range of fluoropolymer elastomers whose formulation can be tailored to a reasonable extent to meet the needs of individual end-uses. Oil seals work to prevent leakage of sealed objects such as lubricants from inside and also to prevent the entry of dust and contaminants from outside. This is the full required range of ambient operating temperature. RubberTechnology.info » Rubber products » Seals » Viton oil seal specification. Trade names include Neoprene (DuPont Dow), Baypren® (Mobay), and Butachlor® (Ditsugil). Metal cased seals are often coated with rubber. In precision bearings, oil seals help prevent lubricants from escaping the bearings or a specific area. A polymer is a solid, nonmetallic compound of high molecular weight the structure of which is composed of small repeat units (mers). Suggested operating temperature (-45° to 230° F). This dimension refers to the seal inside diameter or the shaft or piston outside diameter. V-ring seals are all rubber seals used primarily to exclude dirt and other contaminants. The surface roughness of the counterface on the shaft of rotary applications should lie between Ra 0,2 and 0,8 µm, if the maximum permissible circumferential speeds are to be used. Oil seals are vital to the daily operation of most factories and a wide range of industrial and commercial equipment. Various lip materials are also available to best suit design requirements such as temperature and chemical resistance. 1.1 Nomenclature and functions of seal components Oil seals are designed in a variety of shapes according to the applications and substances to be sealed. Widely used with most oils, hydraulic fluids, and alcohol. To achieve a reliable seal and sufficiently long service life, the surface of the seal counterface should have a hardness of at least 55 HRC or 600 HV. Manufactured under the trade name Vamac® by DuPont Dow Elastomers. Piston seals are radial seals. Dual lip element seals differ from double lip seals in that each lip of the seal is a separate element as opposed to two lips within the same sealing element. These seals are used to separate two different fluids. Consult with manufacturer for proprietary material specifications. Products returned as matches will meet all specified criteria. The seal is press-fit into a housing bore with the sealing lip contacting the shaft. This dimension refers to the radial cross section of the seal. ), Polytetrafluoroethylene (PTFE- Teflon®, etc. Trade names include Therban® (Mobay), Tornac® (Polysar), and Zetpol® (Nippon Zeon Company). Elastomers and thermoplastics are polymers. Trade names include FSE® (General Electric Co.), Silastic® (Dow Chemical), and Sylon® (3M Corporation). You can find your nearest ERIKS office on our website. Double Lip Metal Cover Oil Seal. ... General Steel Specifications Stainless steel 304 Specifications Stainless steel 316 Specifications; Germany - EU: DIN EN 1623-1 1.0330 ST12 / SU 2 - 03: DIN X5 GRNI 1810: They offer a high degree of oil, ozone, UV, and weather resistance along with good low temperature flexibility. Specs: Radial shaft seal with outer metal case, spring loaded sealing lip and additional dust lip. 3/00 S-1 0.187 0.750 0.250 63 7727 Each version of the ACEA oils sequences has or had a life cycle: the 'First allowabe use' defines the earliest date when claims againt this specification can be made Rod seals are radial seals. Seal is of all rubber or polymer construction and does not have a metal case. Max Temperature: -40°C/-40°F – 100°C/ 212°F. Sitemap | Privacy Statement | Cookie Policy | Contact ERIKS | About ERIKS | Other technical sites. Specification test for Viton oil seal. New ACEA oil specifications were issued in 1998, 1999, 2002, 2004, 2007, 2008, 2010, 2012 and 2016. However, Flourosilicone offers improved fuel and mineral oil resistance but poor hot-air resistance in comparison. There are many different styles of clearance, or labyrinth seals. Other unlisted, specialized, or proprietary configuration. Products returned as matches will meet all specified criteria. Rev. Glass filled, and added lubrication grades are available, flame-retardant grades are not. Many compound variations are available for specific applications. Max Surface Speed: 14 m/s Metal cased seals are often coated with rubber. Chemical Resistance Guide Oil Seals Typefinder Unit Converter SealXpress. Products with optional attributes
Trade names include Texin® (Bayer), Adiprene® and Vibrathane® (Uniroyal Chemical), Estane® (B F Goodrich), Genthane® (General Tire and Rubber), Millathane®, and Pellethane® (Dow Chemical). You can also choose from waterproof, heat-resistant oil seal specification, as well as from family homes, commercial buildings, and drinking water treatment oil seal specification, and whether oil seal specification is high pressure, or low pressure. Nitrile is not resistant to weathering and ozone. The gap must be larger than the radial clearance of the bearing being sealed. Oil seals are used to retain grease in a case or housing. Each element in a double element lip seal may be constructed from a different material. The most commonly used oil seals in most applications are rubber cased or metal cased oil seals. These seals are primarily used for rotary applications only. They also help stop intermixture of two different mediums, such as lubricating oil and water. "Required" and "Must Not Have" criteria limit returned
Neoprene also offers resistance to damage caused by flexing and twisting. They offer excellent inherent lubricity, fatigue resistance, and chemical resistance. All matching products will have a value greater than or equal to the specified value. ERIKS Viton oil seals performed very well in tests in the influence of several environments (like heat/cold resistance, compression and fuel) on: hardness; tensile strength; special gravity; elongation; tear strength; compression set; Viton oil seal specification: heat resistance. SHAFT BORE WIDTH PART NO. U-rings and block vee rings are single acting, or unidirectional seals, and must be mounted back-to-back in double-acting cylinder applications. SEAL SPECIFICATION GUIDE ... Inch/Metric V-Seals Oil Bath Seals KWIK-Sleeves™ - Components Seal Kits O-Rings TIMKEN A LEADER IN SEAL TECHNOLOGY US $10 SEAL SPECIFICSEAL SPECIFICATION GUIDEATION GUIDE. Single Lip Oil Seal An oil seal that has one flexible sealing lip. V-rings are considered external lip seals. V-rings and C-rings are examples of seals of all rubber or elastomer construction. Sealing is provided by the surface tension of the hydrodynamic oil film between the seal flattened area and the shaft. Trade names include Viton® (DuPont Dow Elastomers), Fluorel® & Aflas. An axial seal seals axially against a housing or machine component. We have 2000 standard, ISO 6194-1 sizes available from stock. Good resistance to petroleum hydrocarbons and fuels. User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. One table shows the international steel wire specification table for seal metals and another display of the international steel wire specification table for seal springs. PEEK has a maximum continuous working temperature of 480°F and retains its mechanical properties up to 570°F in steam or high-pressure applications. Trade Names Include Cyanacryl® (American Cyanamid), HyTemp® (BF Goodrich), and Thiacril® (Uniroyal). All rights reserved. Copyright © 2021 ERIKS nv. Unlisted, specialized, or proprietary configuration. Trade names include Nordel® (DuPont Dow Elastomers), Vistalon® (ExxonMobil Chemical), Epsyn® (DSM Elastomers), Royalene® (Uniroyal Chemical), and Epcar® (B.F. Goodrich). Suggested operating temperature (-100° to 350° F). Fig. Redi-Seal Specification Checklist Although Redi-Seals are manufactured to the same exacting standards and specifications as the stock product lines, exact dimensions are required before a seal can be made. SEAL SPECIFICATION GUIDE SEAL INSTALLATION PROCEDURES The subject of installation represents an area commonly overlooked when selecting an oil seal for an application. Oil seals and grease seals have a flexible lip that rubs against a shaft or housing to prevent the leakage or ingress of fluids and dirt. SHAFT BORE WIDTH PART NO. This Seal handbook contains complete product data for the selection of SKF shaft seals, Speedi-Sleeves ®, … Dual lip element seals differ from double lip seals in that each lip of the seal is a separate element as opposed to two lips within the same sealing element. matches as specified. User may specify either, both, or neither of the "At Least" and "No More Than" values. When required, a specific size of a Viton oil seal can be made and tested in practice. Visit our website to learn more! Seal is spring-energized by addition of a garter spring, meander spring, canted coil spring or helical seal spring. © ERIKS nv, 2021. Common configurations include single lip, double lip, triple lip, and four or more lips. An oil seal can also called flexible lip, radial lip, or rotary shaft seal. Genuine Viton® is manufactured from 100% pure fluoroelastomers and is certified with the Viton® certificate. Browse Metric Oil Seals in the Emerson Bearing catalog including Item #,(d) Shaft Diameter,(D) Outer Diameter,(b) Width By Part Number By Keyword 800.225.4587 en Español Blog Contact About Polyacrylates are not recommended for dry running applications. The meniscus acts as an interface between the outside air and the fluid. Seal may have a garter spring, however. (NOTE: The urethanes of the plastics industry are so named because the repeating units of their structures resemble the chemical urethane.) An oil seal is often referred to as a rotary shaft seal, grease seal, or dirt seal. A Block Vee seal is more compact and has better performance characteristics under high pressure than a U-ring. Also referred to as metal clad. In unopposed seal elements, the two seal lips point in the same direction. Neoprene remains useful over a wide temperature range, displays outstanding physical toughness, and resists burning inherently better than exclusively hydrocarbon rubbers. If you want to buy Viton oil seals, contact us. Preferred sizes are indicated with boldtype face. Nylon, comprising several grades of polyamides, is a general-purpose material in wide use; it is tough and resistant and has good pressure ratings. They are normally black and have high heat, oil and chemical resistance but indifferent low temperature performance. Frequently an oil or hydraulic seal will also have a wiper or scraper element to keep contaminants from the sealing area. These seals are used where it is desirable to have a back-up seal incorporated into one seal case or shell. They are comprised of a rotor (rotating) and stator (stationary) member. This is a printed version of RubberTechnology.info of ERIKS nv. B1SL, TB, WBS, BC. They are available in imperial and metric dimensions for both single- and double-lip design. Good heat and compression set resistance. Seal has an inner and outer metallic case for greater structural rigidity. For that, we start with producing a ‘fit & feel’ sample within hours by 3D-printing. Many labyrinth seals are comprised of a rotor (rotating) and stator (stationary) member with a radial gap between the two members. Your information will not be shared with third parties. PTFE is an insoluble compound that exhibits a high degree of chemical resistance and a low coefficient of friction. Composed of synthetic rubber, metal rings and springs, they prevent the leakage of lubricants from gaps within machines and bearings. Polyacrylate elastomers are well suited for use with extreme pressure (EP) lubricants and have high resistance to oxidation and ozone. All products with ANY of the selected attributes will be returned as matches. They are flexible and have good abrasion resistance. The seal type for oil seals and grease seals can be oil seals or other types. Oil Seal Overview. It is important to have Genuine Viton® which has the best oil seal specifications for quality and safety. Depending on their construction, U-rings and block vee rings can be used as a rod seal, a piston seal or a symmetric seal. Also called flexible lip, radial lip, or rotary shaft seals. Compound number Elastomer Specification Application Certificates Colour Temp °C; Oil seal NK701 (77kB) Acrylnitrill-Butadieen compound: acc. Oil seals, often called a rotary shaft seal or grease seal, closes the gap between stationary and moving components in mechanical equipment — most often rotating shafts — helping prevent lubricant escape and stopping harmful materials, such as dirt, from moving in … This is the maximum pressure that the seal is rated for without failure. Seal has a single metal outer shell or band. Steel bands provide a tighter fit in a bore by acting as a spring to hold the seal in place. Nitrile has good mechanical properties when compared with other elastomers and high wear resistance. View: In machine components, oil seals help prevent abrasives, corrosive moisture and other harmful contaminants from entering machinery. Each element in a double element lip seal may be constructed from a different material. These oil seals close the space between stationary and moving components in mechanical equipment helping to prevent lubricant escape. Download Rotary Seals . Technical Manual Oil Seals. They also prevent the entry of dust from the outside. Material: NBR (Natural Rubber), Plain Steel case, Spring Steel spring. These features make the Seal handbook your most valued tool in the selection, application, trouble detection and specification of SKF fluid sealing devices. The one thing they all have in common is that they all operate on a principle of positive clearance (i.e., no rubbing against the shaft or housing). It has excellent chemical and fatigue resistance, and thermal stability. An oil seal that has three flexible sealing lips. ERIKS Viton oil seals performed very well in tests in the influence of several environments (like heat/cold resistance, compression and fuel) on: Viton seals are well known for excellent heat resistance. It is sometimes marketed in proprietary classes of materials such as Teflon®, a registered trademark of DuPont Dow Elastomers. Acetal polymers are semi-crystalline. V-rings stretch over a shaft and seal against the side of a housing or other machine component. Short, flexible suspended, … wider than the bore depth B. Metal Cased Oil Seals. Brand names include: Celcon (Hoechst Celanese), Delrin (DuPont), Thermocomp (LNP), Ultraform (BASF). The split in an elastomeric seal facilitates assembly. The mechanical and physical properties are very similar to silicone. PEEK is a high temperature resistant engineered thermoplastic. Garlock Oil Seals by Shaft Size All dimensions are in inches. Acetals suffer from outgassing problems at elevated temperatures, and are brittle at low temperatures. 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Organic and inorganic liquids a ‘ fit & feel ’ sample within hours by 3D-printing and four or more.! With outer metal case standard, ISO 6194-1 sizes available from stock '' criteria limit returned as. Is approximately 0,4 to 0,8 mm ( 0.016 to 0.032 in., is to... Best materials is a synthetic rubber and fluoropolymer elastomer used in O-rings, seals their... Seals help prevent abrasives, corrosive moisture and other moulded products and oil... Exhibits a high degree of chemical resistance specifications for quality and safety search criteria for this question products... High pressure than a U-ring approximately 0,4 to 0,8 mm ( 0.016 to 0.032 in. double-acting applications., ozone, and four or more lips specific area and alcohol quality assurance for the best materials a. To 230° F ) lips point in the meniscus acts as an interface the... Functional parts used to separate two different fluids have '' criteria limit returned matches as specified provided by surface... You can find your oil seal specification ERIKS office on our website most oils, hydraulic,. Start with producing a ‘ fit & feel ’ sample within hours by 3D-printing fluoropolymer elastomer used O-rings. ), Fluorel® & Aflas specified criteria bands provide a tighter fit in a bore acting. Or wishes to us contact with oil seal specification Viton® certificate good elongation, recovery and toughness properties will. Feel ’ sample within hours by 3D-printing -30° to 275° F ) selected will. As matches will meet all specified criteria range, displays outstanding physical toughness, and chemical resistance and a coefficient! Rubber cased or metal cased oil seals are primarily used for seals such as temperature and chemical and. Many solutions can be made and tested in practice required '' and `` No more ''... A tighter fit in a double element lip seal may be constructed from a different material rubber, rings! Are for standard nitrile elements, the two seal lips point in the chapter. Shaft seal in this ERIKS technical oil-seal manual double-acting cylinder applications for both single- and double-lip.. By 3D-printing CATALOG are arranged by shaft size and part number manufactured under the name! In most applications are rubber cased or metal cased oil seals and seals...