The chart below lists all of these sizes with their corresponding dimensions in inches and millimeters for easy identification. Ph: 859-269-2351. An O-ring groove is a circular cross-sectioned recess in a housing or mechanical device designed to hold an O-ring seal. This table is a reference to O-ring sizes for common housing dimensions. When the Quad Ring is squeezed upon installation, they seal with the 4 small contact surfaces on the top and bottom. Skip to content. O-rings. According to BS4518 the O-Ring reference number =. Fluoroelastomer (Viton®, FKM) offers a wide range of resistance to chemicals, oil and heat, with situational service life above 200°C. Standard was developed for use in the United States, while the international community uses metric sizes. JIS O-Ring Groups. Displays the diameter of the selected cylindrical face, or No selected diameter. All surfaces and corners must be free of tool marks and scratches. 42 - Quick Change Grooving. Compounds; Chemical Compatibility; Viton® vs. For a bore (piston) seal:O-Ring Min Groove Diameter. 0mm, 3. We have made this choice for these reasons: 1. Groove Design - O Rings West The important thing is to follow the ID/OD based on the direction of the pressure acting on the seal. Calculate the Quad-Ring® Brand groove dimensions. Select a standard, groove type, and available groove size from the lists on the top left of the tab. Back to Technical info. Metric o-ring groove designs vary greatly and choosing the right one for your application is important for maximum o-ring performance. EMI-Shielded O-Rings and Seals. To accommodate the additional back-up rings, the O-ring groove width L needs to be increased to L1 for one back-up ring or L2 for two back-up rings . The dovetail groove construction is only recommended for O-rings with bigger cross sections, . [Small ID Encapsulated O-Ring Ovality] Available Cross Sections for Encapsulated O-Rings & Groove Design Data : CROSS SECTIONS (A) (D) (W) FEP / PFA: Inch: MM :. info. Parker O-Ring Handbook - ORD 5700 pdf. Cross Section & Groove Design Data. 000 in. pdf), Text File (. pdf), Text File (. The metric sizes are further broken down by region, notably Europe and Japan. Quick reference tape measure confirms metric size O-Rings 64mm-665mm Inside diameter on one side and USA AS568 standard O-Ring sizes from 2. 0mm, 4. Note 1. Welcome to our Size Charts Section, where you can download both imperial and metric O-Ring Size information. The squeeze or rate of compression is a major consideration in O-ring seal design and differs per O-ring application design. This groove design is relatively uncommon as it is expensive to machine and should not be used unless absolutely required. Common Metric O-Ring Size Chart; British O-Ring Size Chart; Japanese JIS O-Ring Size Chart; O-Ring Groove Design Reference Guides. The conditions considered to formulate the design criteria are also described, e. Compare o-ring material properties to find and buy the best o-rings compatible with your application environment. O-Ring Standard Size Charts . Use at your own risk. The only time you Calculate the O-Ring groove dimensions. From o-ring kits to o-ring lubricants and sizing tools, here you'll find everything you need to install, maintain, and remove your o-rings. Popular Sealing Material Families. ERIKS standard O-Rings. (A) is shown as a radius rather than a diameter. Kalrez® O-Rings FFKM. For additional information about O-ring and back-up ring materials, refer to Materials and about extrusion, refer to Gap extrusion. The O-ring groove dimensions require the O-ring to slightly stretch to achieve a sturdy O-ring fit in the groove, quite similar to a snap-fit joint. Common Metric O-Ring Size Chart; British O-Ring Size Chart; Japanese JIS O-Ring Size Chart; O-Ring Groove Design Reference Guides. 004 for sizes 2-325 through 2-460 Groove Diameter (Piston). Learn the basics of O-Rings and Back-up Rings from Trelleborg, a leading global supplier of sealing solutions. I have an older edition (25th). The groove design allows the O-ring to be retained in the face seal during assembly and maintenance. Application data sheet 184 9. THE O-RING EXAMPLE Throughout this guide, the o-ring is used as an example in our discussion of seal design principles. Good practice is to use a back-up ring on either side of the O-ring, even though the pressure on the ring may be from one side only. Total indicator reading between groove and adjacent bearing surface. should not exceed 3% of the rod gland diameter for O-rings with an I. 4mm, 3. Whether you need bolted flanges or removable lids, this o-ring face seal groove design guide will help you choose the right o-ring for your application. Fluorosilicone O-Rings FVMQ. MAP3439. Additional sealing methods such as a cutting face or an EOlastic seal are also available on other fittings within the catalog. It is used in all types of applications and by a broad range of industries. MS 28783 back-up rings match the dash numbers an AN 6230 O-rings. Business-to-business sales only. Replace current O-ring with a harder O-ring. 5"ID to 26" inside diameter on the other side. Dimensional tolerances for all AS568 o-rings offered by Global O-Ring and Seal are in accordance with ISO 3601-1A. Phone: (716) 684-6560 Fax: (716) 684-8302 E-mail: info@applerubber. S. Common Metric O-Ring Size Chart; British O-Ring Size Chart; Japanese JIS O-Ring Size Chart; O-Ring Groove Design Reference Guides. and Inside Diameter cross section. Parker Hannifi n Corporation • O-Ring Division I 2360 Palumbo Drive, Lexington, KY 40509 Phone: (859) 269-2351 † Fax: (859) 335-5128 1. View our technical reference guides: O-Ring Sizes , O-Ring Material Guide , O-Ring Groove Design , O-Ring Chemical Compatibility , O-Ring Failure Analysis . SHOP FOR METRIC O-RINGS. Viton® O-Ring and seal performance cost benefit makes it the second most popular sealing material. O-Ring Design GuideIn most static applications, a Square Ring will serve as a direct replacement for an o-ring and generally will perform a high-pressure sealing function as well as or better than an o-ring. Sealing Australia stocks a wide range of back-up rings to suit imperial and JIS metric sized o’rings. Suggested Groove Design for X-Rings. O-ring sire. Worldwide O-Ring inventory network available online, manufacturer direct pricing with same day shipping. Our Office has Closure for the Weekend. For rotary O-rings: a compression ratio of 0-10%. W. O-Ring Metric Groove Design [PDF] See full list on globaloring. Dean’s original philosophy included exceeding customer expectations. , Japanese JIS, British BS, or Common Metric sizing for o-rings, these o-ring size charts will help you locate the right o-ring size. O-Ring volume • About 25% void space or 75% nominal fill • Need space in groove to allow for volume swell, thermal expansion, and increasing width due to squeeze • Narrower groove for sealing vacuum or gas • O-Ring can extrude into clearance gap or get squeezed in. Our groove design chart is a useful aid for selecting the right metric O-ring groove dimensions for your design. Polyurethane O-Rings. AS568 Standard O-Ring. W Cross section Typical Radial Installation - Dynamic and Static. g. O-Ring Groove Design; O-Ring Weight Calculator; Vulcanized O-Ring Calculator; Causes for O-Ring Failure;. O-ring Groove Design in 3 easy steps: Step 1. Kalrez® O-Rings FFKM. The tolerances of the O-Ring dimensions are determined according to DIN ISO 3601-1 Class B. The metric sizes are further broken down by region, notably Europe and Japan. Business-to-business sales only. E. Maximum recommended service temperature of 288°C (550°F). g. Common Metric O-Ring Size Chart; British O-Ring Size Chart; Japanese JIS O-Ring Size Chart; O-Ring Groove Design Reference Guides. O-rings are manufactured according to metric and imperial international standards such as AS-568B, DIN ISO 3601 and JIS. O-Ring Groove Design. Non-standard sizes and sections can be manufactured to order with a capabiliity to mould join. The Parker O-Ring eHandbook is a condensed online version of the printed Parker O-Ring Handbook ORD 5700. O-Ring Gland Design Considerations; Static O-Ring Groove Design Face Seal; Metric O-Ring Groove Design; Static O-Ring Groove Design Rod-Piston; Dynamic O-Ring Groove Design Rod-Piston; Static O-Ring Groove Design. 3 0. Penman, Seal & Design Inc. O-RING MATERIAL IDENTIFICATION DEVICE: DESCRIPTION: The ORID will help distinguish between Viton®, Kalrez®, Nitrile and EPDM o-ring materials of 100, 200, 300 and 400 series O-rings 60 to 80 Durometer. The seal effect is created during installation by axial or radial compression of the cross-section. Once the beveled edge cannot wedge any farther, it securely “locks” everything into place. Male or Plug Seal design is based on the following factors (refer to fig. Discover all CAD files of the "O-Ring Groove Design according Cross Section" category from Supplier-Certified Catalogs SOLIDWORKS, Inventor, Creo, CATIA, Solid Edge, autoCAD, Revit and many more CAD software but also as STEP, STL, IGES, STL, DWG, DXF and more neutral CAD formats. Read-only properties for the selected groove. Check O-ring material compatibility with system fl uid. pick the bottom two points of the side groove and the outer most point of the side groove. As important as the o’ring seal itself is the groove that the o’ring seats into. Use alternative seal shape, for example, in some long strokeUSA Square Ring Size Chart; Common Metric O-Ring Size Chart; British O-Ring Size Chart; Japanese JIS O-Ring Size Chart; O-Ring Groove Design Reference Guides. Locations. O-Ring Assembling Conditions: 162-168: 15. This PDF catalog covers the design, materials, installation and applications of O-Rings and Back-up Rings, with detailed illustrations and tables. O-ring sire. For industrial use, order the. Male or Plug - the O-ring groove is located on a plug which is inserted into the housing or cylinder (fig. JIS O-Ring Groups. Seal Types and Gland Design. Fluorosilicone O-Rings FVMQ. 1-24). Common Metric O-Ring Size Chart; British O-Ring Size Chart; Japanese JIS O-Ring Size Chart; O-Ring Groove Design Reference Guides. World Class; Certifications; Contact Us; Call Us:. 5mm, 4. In general, X-Rings grooves are deeper, as less squeeze is required to affect a positive seal. Fax: 859-335-5128. Surface Finish X groove top and bottom : for liquids X = 32 micro inches (0. 53mm. com O-Ring Products. O-Ring with a FEP PTFE outer layer encapsulating a Silicone core. EPDM O-Rings. Custom Made O-Rings; Fluorosilicone O-Rings;Figure 1: O-Ring dimensioning ADVANTAGES Compared with other sealing elements, the O-Ring has a wide range of advantages: - Simple, one-piece groove design reduces hardware and design costs - Compact design allows smaller hardware - Easy, failsafe installation reduces risk - Applicable to a wide range of sealing applications: static,To compress an O-ring of 5. The OD of the ring should be about the. Parker O-Ring Handbook - ORD 5700 pdf. These use a trapezoidal-sectioned elastomeric seal which is embedded into a groove that’s cut into the stud end of the adapter fitting. We utilize O-Ring compounds formulated to meet. 1-23) 2. 5" inside diameter. O-Rings are available in various standard sizes. O-Ring Groove Design; O-Ring Weight Calculator; Vulcanized O-Ring Calculator; Causes for O-Ring Failure; Downloads; Other Resources . Then, calculate the O-Ring groove diameter as follows: a. 139 inch (3,53 mm) and larger. Global O-Ring and Seal is fully compliant to the dimension and tolerance standards spelled out in ISO 3601-1 Class A for all standard series O-rings and Class B for all metric series O-rings. Standard was developed for use in the United States, while the international community uses metric sizes. We have included Static, dynamic, and pneumatic applications. Static applications: stretch the diameter by up to 5% and compress by up to 3%. O-Ring Durometer. Metric O’ring Rigs; O’ring Section Packages; Back-up Ring Kit; Quad Ring Kit; Bonded Washer Outfit;. They are one of the most common and important elements of machine design. 000 for all sizes + . This metric o-ring groove design reference guide will help you find the right radius, back-up, pressure and other o-ring dimensions for basic applications. Because they can be expensive to machine, O-ring grooves should only be added when necessary or for metric O-rings with a cross-section larger than 3. If you do not see a ring that meets your specs, you can custom-design your. O-Ring Groove Design Guides O-Ring groove dimension guidelines for standard o-ring grooves, metric o-ring grooves, JIS o-ring grooves, and other o-ring gland designs. 6mm, 2. For additional information about O-ring and back-up ring materials, refer to Materials and about extrusion, refer to Gap extrusion. Calculate Results. This static o-ring groove design guide will help you find the right rod and piston gland design for your application. O'ring groove dimensions for static and dynamic operation. During operation, the pressure of the medium intensifies the deformation of the O-ring and enhances the sealing function. What's New. Metric O-Rings Size Chart. O-ring groove design is critical to the performance of the O-ring seal. O-rings with smaller cross sections are squeezed by a higher percentage to overcome the relatively higher groove dimension tolerances. Tolerance. Dual turn rings conform to MS 28782 and match the dash numbers of an AN 6227 series of O-rings. Metric and Inch Cross Section thickness reference gauge. 139 inch (3,53 mm) and bigger. Metric o-ring groove dimensions are listed for the most common metric cross sections with and without backup rings. USA Square Ring Size Chart; Common Metric O-Ring Size Chart; British O-Ring Size Chart; Japanese JIS O-Ring Size Chart; O-Ring Groove Design Reference Guides. )Metric O-Ring Groove Design; Static O-Ring Groove Design Rod-Piston; Dynamic O-Ring Groove Design Rod-Piston; Static O-Ring Groove Design Dovetail; O-RING MATERIAL GUIDES. , seal stretch, cross-section reduction, squeeze, and swell. Technical Handbook O-rings Quad-Rings®/X-Rings Gland Design Static/Dynamic (METRIC) The following table shows the groove dimensions for Quad-Rings®/ X-Rings. 373. 4 PTFE Seal Design Guide Parker. 275"), designed accordingly to the standards given, this is the only one that will match to the metric diameter (Ø170mm) of the bearing housing while not having a smaller groove diameter (6. Slipper seals 109 6. Parbaks are not available in standard for metric sizes. For groove sides X=63 micro inches. Compare x-ring material compounds and easily order online from the world's largest x-ring inventory network. To facilitate assembly, the diameter of the O-ring groove is usually selected somewhat larger than the diameter of the O-ring. Square Rings can be used in static applications where high sealing load force is required or when the sealing area is too thin to accommodate anything else. Highly printable, and will still capture the oring. O-Ring Design Considerations What to Know About O-Ring Squeeze, Stretch, Compression, and More . Design Charts for Dovetail and Half-Dovetail Grooves. Increase rigidity of metal components. Bore. Find the right design space by specifying the O-ring. Otherwise many bad things will happen to your design. This metric o-ring groove design reference guide will help you find the right radius, back-up, pressure and other o-ring dimensions for basic applications. Sizes and How to Order. To accommodate the additional back-up rings, the O-ring groove width L needs to be increased to L1 for one back-up ring or L2 for two back-up rings . Please note that no tolerances or materials are taken into consideration in this cross-reference chart. In most new designs, the o. The Quad Ring has replaced the Square Cut in most cases. 000 for all sizes + . METRIC DOVETAIL GROOVE DESIGNS. For a static male to female mating interface: a compression ratio of 18-25%. Quattro Seal grooves are also narrower due to their ability to resist “spiral failure. Browse our metric o-ring size chart to view common metric o-ring sizes and order o-rings from the world’s largest inventory network. O-Ring Selection; Bitte definieren Sie die Anwendungsparameter und wählen Sie ein Dichtungsmaterial aus. Kalrez® O-Rings FFKM. Markez® O-Rings FFKM. D. Anti-extrusion rings 163 7. O‑ring product guide. Make it half a hexagon, with the inside edge being vertical, and the top/bottom edges of the inside the 45°angle chamfers. AS9100 / Quality Policy. 713-675-5271 FAX 713-675-2730 1-800-888-5223 FAX 1-800-444-3252. Sizes and How to Order. It is an O-ring face seal type fitting that consists of a nut, a body, an O-ring and a sleeve. The dovetail groove construction is only recommended for O-rings with bigger cross sections, . What's New. L = Gland Depth. /-0. THE O-RING EXAMPLE Throughout this guide, the o-ring is used as an example in our discussion of seal design principles. The PTFE shell offers excellent chemical and temperature resistance while the Silicone core provides the resiliency needed to provide effective sealing. Male or Plug - the O-ring groove is located on a plug which is inserted into the housing or cylinder (fig. BS 4518:1982 Specification for metric dimensions of toroidal sealing rings ('O'-rings) and their housings. O-Ring Gland Design Considerations; Static O-Ring Groove Design Face Seal; Metric O-Ring Groove Design; Static O-Ring Groove Design Rod-Piston; Dynamic O-Ring Groove Design Rod-Piston; Static O-Ring Groove Design. O-ring design guides for engineers help select the best o-ring material specifications for your applications. Includes Ring and groove design data, groove dimensional and tolerance information. O-Ring Gland Design Considerations; Static O-Ring Groove Design Face Seal; Metric O-Ring Groove Design; Static O-Ring Groove Design Rod-Piston; Dynamic O-Ring. O’ring. A LEADING PROVIDER OF HIGH QUALITY O-RINGS, O-RING KITS & ACCESSORIES. Explore some of the most common sealing materials we offer here. As important as the o’ring seal itself is the groove that the o’ring seats into. Durometer (shore A) 76. and load them also into your created design. (Premium Membership required) Preview: Groove design for o-ring sizes table calculator. Groove Design Metric Seal & Design Corporate Headquarters Ph: (716)-759-3344 [email protected] O-Ring Sealing Parker O-Ring Handbook For Internal Pressure (outward pressure direction) dimension the groove by its outside diameter (H ) and width: O (H ) = Mean O. Contact Us For Assistance Or Samples Click Here and contact us today to receive a quote or if you have any questions regarding sizing. This recommended practice provides the design criteria for static elastomeric O-ring seal applications, axial compression (face type) groove dimensions for aerospace metric O-ring sizes specified in MA2010. D. Parker Hannifin O-Ring Division 2360 Palumbo Drive Lexington, KY 40509 Ph; 859-269-2351 Fax: 859-335-5128 ordmailbox@parker. Metric o-ring groove designs vary greatly and choosing the right one for your application is important for maximum o-ring performance. 39 - External Groove Tools. This groove design is relatively uncommon as it is expensive to machine and should not be used unless absolutely required. I. O-Ring inner diameter stretch, outer diameter squeeze. View our o-ring groove design guidelines here. Once you find the exact metric o-ring you need, you can. I have an older edition (25th). This is beneficial for special applications where the O-ring has to be fixed by the groove e. We have made this choice for these reasons: 1. The three main types of standard groove designs are Industrial Static also called Radial, Industrial Reciprocating also called Dynamic, and Face Seals also called Axial or. 003 Max. jpgA general-purpose compound for O-rings, seals, and other parts used in chemical process industries. The groove width dimensions are listed in. The only drawback to a high durometer is the decreased squeeze of the o-ring. The O-ring groove calculator enables engineers to specify an O-ring groove for any given O-ring or vice versa calculates the best suitable size O-ring for any given groove. Browse design. Find the recommended O-ring size and gland dimensions in the appropriate design table in Static O-Ring Sealing or Dynamic O-Ring Sealing, Sections IV and V, respectively. 53mm. We're proud to offer the world's largest inventory of readily-available and highly customized sealing solutions. However, O-rings can be used as dust seals, drive belts or on. It is the most common and most widely known type of seal in use today. It is used in all types of applications and by a broad range of industries. 8 μm Ra). 00mm , page 14 of this PDF for example gives. com Online: applerubber. This PDF catalog covers the design, materials, installation and applications of O-Rings and Back-up Rings, with detailed illustrations and tables. Metric O-Ring sizing is determined by the o-ring's inside diameter and cross section width. ThisPill Box Before O-ring design. Browse our metric o-ring size chart to view common metric o-ring sizes and order o-rings from the world’s largest inventory network. Female or Tube - the O-ring groove is located in the housing or cylinder and a tube is installed through the O-ring l. When looking at standard dimension for a female gland, a #142 O-ring has a rod OD of 2. Once installed, the exposed portion acts as a shoulder which. Over the last 50 years, Apple Rubber has pushed the boundaries of rubber seal design. SAE MAP3440 - O-Ring Groove Design For Packing Preformed, Elastomeric O-Ring Seals, Static, Radial Squeeze, Metric March 1, 1990 - SAE This recommended practice provides the design criteria for static elastomeric O - ring seal applications, radial squeeze groove dimensions for aerospace metric O - ring seal sizes as specified in. S. For more information or to request a quote on Square Rings, please give us a call at 832-448-5550 or submit the Product Inquiry Form. 005 inches. 5" inside diameter. The majority of o’ring rubbers have hardness’s between 60 and 90 Duro. 1; 2; 3;O-Ring Groove Design. Stop to Page. dovetail groove 46 Dynamic seal – hydraulic 49 Sizing charts 50 2-xxx sizes. Standard O-Rings The face seal design chart below explains the hardware dimensions to use for an O-ring seal when the groove is cut into a flat surface. This groove design is rela-tively uncommon as it is expensive to machine and should not be used unless absolutely. As well as the chemical volume swell or shrinkage of the O-ring. (Consider a Sizing Cone for small O-Rings under 2. 139 inch (3,53 mm) and bigger. The reason such a large O-ring was chosen is (cross diameter = Ø0. The most common hardness found is 70 Durometer. EPDM O-Rings. Created Date: 7/7/2015 3:14:46 PMd-ring cross section techseal division radial seal design guide - tsd 5440 3bejbm tfbmt ejggfs gspn gbdf tfbmt blb byjbm tfbmt jo uif ejsfdujpo jo xijdi dpnqsfttjpo ps trvff[f jt bqqmjfe up uif tfbm dsptt tfdujpot 3bejbm tfbmt ibwf dpnqsfttjpo bqqmjfe up uifjs pvutjef ejbnufs 0 % boe jotjef ejbnfufs * % (see figure 1. The O-Ring is confined in a triangular recess made by machining a. 5-32 Parker Hannifi n Corporation • O-Ring Division 2360 Palumbo Drive, Lexington, KY 40509. Standard-sized O-rings are readily available in the following materials: Black Nitrile (Buna-N) 70 or 90, Brown or Black Viton® 75, Black EPDM 70, Red Silicone 70, Black Neoprene 70, and White PTFE. We Willingly Open in 8 am CST on Monday. It also provides an overview of international sizes and standards, and compatibility data for fl uids,. Tolerances and. The O-ring sits in the groove and is compressed during assembly, creating a seal between two surfaces. In most new designs, the o. Hydraulic sealing solutions for fluid power applications have become a priority in our continued product offering. O-ring design guides include o-ring sizing charts, o-ring groove design references, o-ring chemical compatibility guides, o-ring tolerances and failure analysis guides, and o-ring material selection. AS9100 / Quality Policy. Popular Sealing Material Families. Size CS (IN) ID (IN) OD (IN) CS (MM) ID (MM) OD (MM) 0. It provides axial compression (face type) groove dimensions for aerospace metric O-ring sizes specified in MA2010. dard AS568 O-ring numbers. 53mm) and bigger. Custom sizes of almost any dimension are possible, such as miniature O-rings, special O-rings with large dimensions and continuously molded and spliced cord. deeper than the maximum radial. We provide O-rings for practically any application and offer several design resources to help you design a custom AS568 O-ring seal that meets your exact requirements. O-Rings. This is also the case when placing an item inside another item and utilising the o-ring as the final sealant. Learn more about O-Ring sizes with the links below. We have made this choice for these reasons: 1. It provides axial compression (face type) groove dimensions for aerospace metric O-ring sizes specified in MA2010. Seal Design Guide. Material Assistant. , seal squeeze anGlobal O-Ring and Seal is a major stocking distributor of o-rings, oil seals, o-ring cord stock, kits, accessories, and other sealing products. Square Rings and Rubber Washers can be molded, machined, or cut cost effectively depending on the size, material, and quantity. Polyurethane O-Rings. D. The same sealing principle. txt) or read online for free. O-Rings are specified by I. After you. O-Ring Size Chart: 169-202: 16. Contact Us for examples. The calculator takes all relevant parameters into account like: O-Ring squeeze. Custom o-rings are available upon request and can typically be produced within a few. For standard O. Using the table above, determine the maximum recommended gland depth for your application. Download it for free and enhance your knowledge of sealing technology. D. NF T 47-501 Metric O-Rings. EPDM O-Rings. METRIC DOVETAIL GROOVE DESIGNS. The parameter dashboard in the Results section will immediately show you if the selected O-ring size is suitable for your. Dynamic o-rings with rod and piston gland designs are used for most basic dynamic applications. 070 ± . 002 for sizes 2-006 through 2-324. Describes the groove. The Global O-Ring and Seal Size Reference Chart covers the AS568 O-Ring Sizes published by the Society of Automotive Engineers (S. O. Not recommended for use in organic or inorganic acids at high temperatures. Aerospace Group. Technical O-ring Handbook . As well as the chemical volume swell or shrinkage of the O-ring. Standard Size Charts for Quad-Ring® Seals and X-Ring Seals. D. Experimental analysis and experience have shown that elastomer o-rings must always be smaller than the grooves they fit in. Use at your own risk. O-Ring Inside dia (mm - 4 digits -1 decimal place)"-" O Ring Section. Polyurethane O-Rings. 2349. EPDM O-Rings. O-Ring Gland Design Information: 131-161: 14. Learn the basics of O-Rings and Back-up Rings from Trelleborg, a leading global supplier of sealing solutions. Any O-Ring Size. O-Ring Inside dia (mm - 4 digits -1 decimal place)"-" O Ring Section. We supply and manufacture o-rings in sizes up to 2 100mm in the following compounds: Butadiene Rubber (BR)A standard o-ring design comes in a static or dynamic format, as with many things. Metric O-Rings. Note: Above radius (R) the a kritisch dimension; too small a radius can harm the seal during installation, while excess radius can leadings for extrusion failure. allorings. 1) When using Back-up Rings the groove is to be widened by the corresponding Back-up Ring thickness (b2: one Back-up Ring, b3: two Back-up Rings). Using the table above, determine the maximum recommended gland depth for your application. Static applications: stretch the diameter by up to 5% and compress by up to 3%. 2021-11-23 Latest Revised MAP3439 2012-12-10 Historical Reaffirmed This recommended practice provides the design criteria for static elastomeric O-ring seals. Fluorosilicone O-Rings FVMQ. Polyurethane O-Rings. This metric o-ring groove design reference guide will help you find the right radius, back-up, pressure and other o-ring dimensions for basic applications. We stock all major compounds including Buna (Nitrile), Viton (FKM), EPDM, Silicone, Teflon, Aflas, etc.