In some cases, it needs to be used with a supporting ring (also called a retaining ring). Often labyrinth type seals are used together with air, which is also holding back the oil. OC-TYPE. The spring on the lip of the oil seal provides support to the lip and prevents the lubricant from leaking outside and also prevents contaminants from entering. It also displays good … The sealing element is produced from a high performance Nitrile rubber. What are Oil Seals – A guide to Oil and Rotary Shaft Seals. In the following chapter we will give an overview over the most important oil seals and their applications and specifications. The most commonly used oil seals in most applications are rubber cased or metal cased oil seals. It is available in almost every size from at least 100 mm inside diameter. Temperature range: between -10°C and +205°C (intermittent/compound specific between -20°C and +250°C). 1. Very commonly used in both metric and inch sizes. KLINGERSIL ® provides excellent resistance (e.g. Oil Seal with a PTFE face bonded to the synthetic rubber element to reduce friction and heat development. Early radial shaft seals utilized rawhide as the sealing element, and many elastomeric seal companies today once were tanneries. Only oil lost through bearing seals upstream of the bleed ports can contaminate the bleed air. The following seat & seal materials can be used in various valves such as ball, plug, butterfl y, needle, etc. For more information on our range of products click here. This then forms a tight seal. This material has very good running properties and excellent wear resistance. Looking forward to have a long term business relationship with any of our customers. Temperature range: between -30°C and +170°C (intermittent/compound specific up to +190°C). This type is frequently replaced by type R. According to the DIN Standard 3760, category B, Similar to type M but with additional dust lip. Metal Cased Oil Seals This is generally used for sealing lubricating oil or grease in rotary shaft applications. Similar to type GVP, but with additional dust lip. Seals pressures to 10 bar (1MPa) depending on the circumstances because it is more compact than type RST. This sealing ring is Green and made from fluorine rubber (Viton®). Mechanical seals: To replace or to overhaul? If a specific seal is not found, contact your Timken sales representative to check the availability of that particular seal. In the following table you will find the most important norm designs of oil seals according to the DIN standard and their corresponding ERIKS oil seal product. Polyurethane, however, presents a great high abrasion resistance qualities and high tensile strength. If oil seals with fixed dust lips are being used, the space FEP is interfered by a poor memory at low temperatures. It is an oil seal with a rotating housing structure and best used for sealing grease. Applications: Polyurethane oil seals are used in high-stress hydraulic applications, in which highly pressured compounds are exposed to wear. The support ring is used to prevent the seal ring from being deformed under pressure. The piston rod seal , also called U-cup, is the main piston rod seal and is installed inside the end cover of the hydraulic cylinder to prevent leakage of hydraulic oil. Furthermore KLINGERSIL ® is easy to cut, handle and fit.. Material Types Temperature range: between -20°C and +205°C or between -45°C and +230°C (intermittent/compound-specific). There are different types of oil seals that fit a different application and surroundings and are made out of different materials. Applications: Nitrile (NBR) is currently the most extensively used elastomer in the Fluid Seal Industry. In the following chapter we will give an overview over the most important oil seals and their applications and specifications. Rubber-cased oil seals are the most common oil seal execution, used when a metal-cased seal has the potential to fail (for example because of thermal expansion). Applications: Polyacrylate oil seals have superior high-temperature resistance than that of Nitrile. The medium to be sealed will dissipate Lip Materials Nitrile Buna-N 70 durometer compound is the standard material for our seals and is recommended for a majority of common applications. R type with two sealing lips, used for sealing two separate media. Applications: Oil seals produced from Hydrogenated Nitrile (HNBR) present superior sour gas and petroleum oils resistance. The most commonly used oil seals in most applications are rubber cased or metal cased oil seals. IDEX Sealing Solutions . Radial oil seals are designed for sealing shafts and spindles. 1) create an account2) see product prices3) place your order. Oil seal with flexible reinforced textile-rubber back and rubber sealing lip with garter spring. (see Figure 8-13). Not yet an ERIKS customer? Applications: FEP oil seals are an excellent option for static and slow intermittent dynamic applications. Oil Seal with double metal case and assembled rubber sealing lip. … Seals low pressures as well. The piston rod sealing ring is made of polyurethane or nitrile rubber. J-Type oil seals are used in low friction torque or poor lubrication areas. Information has been gained from manufacturing partners. Therefore, they are ideal for high surface speed oil applications. Also known as a Rotary Shaft Seal, Shaft Seal, Lip Seal, Elastomeric Lip Seal or any variation of these. (2 = for type C)* Materials (see inside end cover of manual for the material code) Nominal diameters d 1 and d 10 of the mechanical seal Shaft/shaft sleeve diameters are always three-digit numbers beneath the stationary seat for types U and B Seal face Stationary seat Secondary seals Spring Other metal parts (except seal cover and shaft sleeve) Applications: FKM Fluorocarbon oil seals distinguish a great resistance to solvents and petroleum oils. The oil seal consists of a metal ring as the inner skeleton which provides the structural stability to the oil seal. A garter spring is a coiled steel spring that is connected at each end to create a circular shape. Applications: Carboxylated Nitrile (XNBR) oil seals are created from a low-temperature tolerant compound, also has an excellent abrasion resistance. Search keyword... Search. Oil seals with a rubber case cannot rust, in contrast to oil seals with metal cases. Nitrile rubber – The commonly used material for oil seals 2. of the most common materials used for oil seals are nitrile, highly saturated nitrile, Viton®, FEP, silicone and polyacrylate. Typically metal-cased seals are more cost efficient than rubber seals. The standard oil seal consists of a metal ring as the inner skeleton which provides the structural stability to the oil seal. Copyright © 2021 M.Barnwell Services Limited. Oil Seal Material Design Guide. Resistant to: Water, Petroleum Oils & Fluids, Hydraulic Oils, Temperature range: between -20°C and +150°C. NOK Standard Oil Seal TB Type (NOK) of NOK, Check out the variety of configurable, NOK Standard Oil Seal TB Type (NOK) of NOK,MISUMI has other mechanical components, Press Die, and Plastic Mold products available. For high shaft speeds, large radial tolerances and good chemical resistance a … BSI Quality Accreditation No RS00530, BSI Environmental Accreditation No EMS618861, Delivering Fluid Sealing Solutions Since 1972, Hydrogenated Nitrile (HNBR) or Highly Saturated Nitrile (HSN). It is a simple device for excluding dust, dirt, water or any other contaminant whilst retaining lubricant in rotary shaft equipment. SEAL TYPES The seals used for the bearings on aero-engine gas turbines are required to operate at high speed and, hence, either a well lubricated seal or one that operates with a clearance is required. Rubber outer diameter with a carbon steel insert. Temperature range: between -60°C and +180°C (intermittent/compound specific up to +200°C). diameters for example in heavy industry such as roller bearings. Dust lips are located on the inner diameter of the oil seal. Alibaba.com offers 18,911 types oil seals products. Resistant to: Number of Acids, Petroleum Oils, Temperature range: between -50°C and +327°C (intermittent up to +350°C; compound specific). TEXTILE RUBBER OIL SEALS. Oil Seal Material Chart Material Chart for Oil Seals Oil Seals are also known as a Rotary Shaft Seal, shaft seal, lip seal, elastomeric lip seal or any variation of these. E & OE. An oil seal generally consists of an outer circular metal part and an inner flexible member that does the actual sealing and is bonded to the metal part by chemical adhesive agents. It is used in wheel seal applications and is frequently used in centrifuges. KLINGERSIL ® fiber-reinforced gasket sheet materials. Not available from stock. Some oil is lost along various paths causing oil consumption. DIN 3761 defines standards for rotary shaft lip type seals for automobiles. According to the DIN Standard 3760, category BS. Moreover, oil seals with a rubber case can seal a lightly damaged housing much better than metal cased oils seals. or equipment with a low differential pressure, that has rotating shafts. QLFY-TYPE Additionally, they are adapted for use with large chemical exposure and hard vacuum applications. between the sealing lip and the dust lip may also be filled They are made from a variety of materials to meet the demands of process gas or fluid, temperature and pressure. They incorporate all the elasticity and sealing strength of an elastomer and chemical resistance similar to that of FEP (Fluorinated Ethylene Propylene). Metal-cased oil seals are used when installed to a housing bore made of the same material. Types of oil seals. This type has to be mounted on the shaft, and has the seal lip on the outside. FEP is, however, very tough, a chemically inert polymer that has a spectacular working scope. Types of oil seals. The outside diameter, with inner metal reinforcement case, allows press-fitting in the housing, with sufficient interference on the rubber to provide static sealing. According to the DIN Standard 3760, category CS. The most commonly used oil seals in most applications are rubber cased or metal cased oil seals. In the standard construction, our Oil Seals are made from oil and grease resistant rubber based on NBR (Perbunan). An oil seal is basically a simple device, which is used to stop dirt, dust, water, and other contaminants from entering the shaft equipment. the heat. The material has a tensile strength of 3500 psi and can sustain temperatures as high as 325 F. It is made using Hydrogenated Acrylonitrile Butadiene (HNBR) which shows excellent resistant to most oil based chemicals. Nitrile rubber - The commonly used material for oil seals Silicone – Used in specific applications where only light loads are applied. Furthermore, Nitrile oil seals incorporate exquisite reluctance to hydraulic oils, water, silicone greases, petroleum-based oils and fluids, and alcohols. Temperature range: Buna-N between -40°C and +135°C (intermittent up to +150°C); Low-Temp between -65°C and +120°C. What are Oil Seals? A clamping plate is required. It is supplied with a stainless steel spring as standard. The rubber gives a good sealing capability, even when the housing is not fully in tolerance. TYPES OF SEALS - Seal Kit, Oil Seals, O Ring Kits and Hydraulic Cylinder Seals - A2zseals - Arm Seal Kit, Boom Seal Kit, Bucket Seal Kit, Centre Joint Kit, Control Valve Kit, TT Kit, Shaft Seal, Hub Seal, Cassette Seal, Gear Box Seal AZS Replacement Seal Kits Manufacturer, Assembler, Seller, Supplier, trader. Temperature range: between -15°C and +85°C (intermittent/compound specific between -50°C and +100°C). Tip for greasing oil seals with dust lips: Oil Seal with additional dust lip to prevent damage of sealing lip and to avoid the ingress of dust, dirt, water etc. This in combination with a high quality galvanised steel garter spring gives the ERIKS Oil Seal an optimum life. M Barnwell Services endeavours to make sure all the content is correct. The seat of the garter spring (stainless steel) is designed to prevent its accidental loss during assembly. Due to an extensive temperature range of Highly Saturated Nitrile, it happens to be most preferable material in Oil Industries. Engineers Hub; Register; Login; Seal Wizard +44 (0)1254 295400. Here is an overview of other commonly used oil seals with an outside rubber surface: Contact our specialistsWe understand that every application is different and that every project is a fresh challenge. In high temperatures and high pressures, fast expanding rubber can provide a tight fit and more stable sealability. The outer part is made of rubber or metal - based on the requirement and the application of the oil seal. BUNA-N (HYCAR or Nitrile)- Buna-N is a general-purpose polymer which has good resistance to oil, water, solvents and hydraulic fl uids. The right material and type of oil seal is determined by the application and the medium that will be used with the oil seal. Prevent damage to your O-ring from improper use. In order to prevent leakages due to a hydrodynamic pumping effect is it necessary that the sealing lip contact area on the sleeve or shaft is without any traces of machine lay. into the system. According to the DIN Standard 3760, category C, Similar to type GV, but with additional dust lip. There are many types of gasket used on plant equipment. entirely with grease. Applications: Fluorosilicone (FVMQ) oil seals incorporate a good low and high-temperature persistence of Silicone (VMQ) and Fluorocarbon’s resistance to solvents, oil, and fuel. Applications: Aflas® are created from an exceptional Fluoroelastomer (FKM), which is resistant to steam, petroleum oils, amine corrosion inhibitors, and hydrogen sulphide. Smaller sizes only for applications such as needle bearings and grease seal. Resistant to: Transmission Fluids, Gasoline, Petroleum Oils, Temperature range: between -55°C and +205°C (dependant on core material). Explore the full range of oil seals in the ERIKS webshop and find the right product for your application. HOME ; ABOUT . The material is particularly heat-resistant and resistant to oil, solvents and strong acids. Oil Seals are also known as a Rotary Shaft Seal, shaft seal, lip seal, elastomeric lip seal or any variation of these. Our range of asbestos-free, calendared gasket sealing materials. See the range. Principle of Oil Seals Oil Seals One of the most frequently used types of seal is the Rotary Shaft Seal. It is widely employed for larger shaft Bearing type (rolling or sleeve) Lubricant (oil or grease) Seal friction and consequent heating; Shaft surface speed and finish; Physical space available ; To select the appropriate seal for an application, match the relevant factors from the above list with the characteristics of the following external seal types. Generally, it has been developed as a means of protecting the bearings of rotating shafts. PPE Precision Polymer Engineering - Rubber Seals and Gaskets - Elastomer Seals. Here are some types of the materials used for the outer skin of the oil seal. Nitrile presents great stability of working attributes such as high tensile strength, high abrasion resistance, and low compression set combined with low cost. In the following chapter we will give an overview over the most important oil seals and their applications and specifications. Based on the application of the oil seal, the outer skin layer tends to differ. This is BLÜCHER’s sealing ring for special applications. It minimizes wear and friction in certain applications. It is also known by other names like elastomeric lip seal, lip seal, shaft seal, or rotary shaft seal.The seal, while doing its job, helps retain the lubrication of a … The sealing lip with spring provides interference on the shaft for effective sealing. It is a simple device for excluding dust, dirt, water or any other contaminant whilst retaining lubricant in rotary shaft equipment. Its application is in Formula 1 engines. Just … Applications are the same as type RST, when the requested type is not available. Air and oil have to be separated and the air is eventually vented over board. The most commonly used type is type R. This type has a carbon steel insert and has rubber outside diameter. A wide variety of types oil seals options are available to you, such as material, local service location, and style. sump, which is sealed. Generally, it has been developed as a means of protecting the bearings of rotating shafts. … OC-Type oil seals have a sealing lip placed on the outer periphery and they are best used for rotating housing structures. Available with or without external dust lip, they are self-retained in an open groove to ISO 6194 and DIN 3760. Resistant to: Hydraulic Oils, Petroleum Oils, Temperature range: between -60°C and 250°C (special grades up to +300°C). Common examples include strut seals, hydraulic pump seals, axle seals, power steering seals, and valve stem seals. The outer part is made of rubber or metal - based on the requirement and the application of the oil seal. Parker offers a wide range of products for Oil and Gas applications including static, dynamic and rotary seals, FlexiSeals®, PolyPak®seals, S-seals and T-seals, metal seals, O-rings and U-rings, customized solutions such as long-life seals, large-diameter seals, moldings and machined seals, plus back- up (anti-extrusion) rings, PEEK elements, wiper and scraper rings, V-packing sets, bearing rings and … temperature, mechanical or chemical resistance) in the areas required by the corresponding target industry. Providing long-lasting sealing efficiency, they consist of a rubber sealing lip, metal case and a spiralled tensioning spring. The gasket material fills the imperfections of the metal surfaces. It maintains the radial force exerted by the sealing lip around the shaft surface. However, the FPM seal has only limited resistance to e.g. Construction is in accordance with DIN 3760A (Category A) and available in both metric and inch sizes. Applications: Silicone (VMQ) oil seals present a high lubricant absorbency. Nitrile lip seals work well within the temperature range of -65°F to 250°F and provide compatibility with water and most common mineral oil and greases. Oil and Gas Seals Explosive Decompression Resistant O-rings (Norsok M-710 Seals, NACE TM0297 Seals) Automotive Fuel and Oil Seals Military Applications (MIL Spec Compliant Seals) Good Wear Resistance Good Compression Set Resistance Good Short-Term Resilience Good Permeation Resistance : Viton® (Fluorocarbon Type A) Order O-rings Online Quote and order online today! Management Team and History . Temperature range: between -55°C and +135°C. - Paraffin-based (aliphatic) oils - Mineral oils and fats (oils for engines, gearboxes, differentials, etc.) Applications: Simriz® oil seals are created of an elastomer, which has the widest chemical resistance our of all elastomer materials. Figure 8-13. It is a simple device for excluding dust, dirt, water or any other contaminant whilst retaining lubricant in rotary shaft equipment. When present, the dust lip (which can be seen on the left oil seal in the picture) works to protect the sealing lip while blocking dust and dirt from entering the system, ensuring longer seal lifetime. When the requested R-Duo type is not available, two R-types can be fitted back to back. Similar to Viton GR, but with an additional dust lip to prevent damage to the sealing lip and to prevent ingress of dust into the system. 1/32″thick sheet is reinforced with graphene for extra solidity. It is recommended that our application engineers should be contacted. Smaller sizes only for applications such as needle bearings and grease seal but the outside surface has a ribbed design. Select Your Region. For more information about Barnwell O Rings click here, or to download a brochure click here. MISUMI offers free CAD download, short lead times, competitive pricing, and no minimum order quantity. Metal cased standard Oil Seal with vulcanised sealing lips. That is why our product specialists are at hand to provide you with personal advice and in-depth product knowledge.Call us on +31 (0)72 514 18 55 | Email us on OKHY@eriks.nl. In exceptional cases, it is also used to seal other fluids, gases and powdered or granular solids. The DIN 3760 standard specifies dimensions and requirements for materials, marking, use and installation of rotary shaft lip seals used for retaining fluid or grease in unpressurized equipment, Oil seals are rotary shaft seals that close a gap between stationary and moving components and prevent lubricant to escape and thus stop contamination through the clearance. Metal Cased Oil Seals M Barnwell Services is the UK’s largest independent stockist, manufacturer, and distributor of fluid sealing products and services. 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