O-Ring Size Charts O-ring, x-ring and square. The parameter dashboard in the Results section will immediately show you if the selected O-ring size is suitable for your. • Easy to use • PDF output • Saving of your designs AS568B STANDARD O-RING GROOVE DESIGN. Class B O-rings have slightly wider. X-rings are available in the same USA standard. Back to Technical info. oring51. 1. Viton® O-Ring and seal performance cost benefit makes it the second most popular sealing material. Thousands of non-standard sizes are available in stock or can be made within a few weeks typically without tooling fees so no need to settle for a less than optimal fit. For groove sides X=63 micro inches. At press time for the printing of the catalog, the following represented a complete listing of O-Ring compounds andJIS B 2401 Metric O-Rings; Parker 500 Series O-Ring Sizes; International O-Ring Size Cross Reference Table; Generic Metric O-Rings; ISO 3601 Metric O-Rings; ISO 6149 Metric O-Rings; BS 4518 Metric O-Rings; BS 1806 Metric Sizes; SMS 1586 Metric O-Rings; DIN 3771 Metric O-Rings; NF T 47-501 Metric O-Rings; Backup Ring Size. For complete list of o-ring seal sizes, please use the O-Ring Size Search Tool online at applerubber. 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. Fluorosilicone O-Rings FVMQ. 1; 2; 3;O-Ring Groove Design. O-rings are manufactured according to metric and imperial international standards such as AS-568B, DIN ISO 3601 and JIS. 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 . 30 W MM X 2. , 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 Colors;Dynamic O-Ring Sealing Parker Hannifi n Corporation • O-Ring Division 2360 Palumbo Drive, Lexington, KY 40509 Phone: (859) 269-2351 † Fax: (859) 335-5128 Parker O-Ring Handbook 5. O-Ring inner diameter stretch, outer diameter squeeze. 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 Parker O-Ring eHandbook is a condensed online version of the printed Parker O-Ring Handbook ORD 5700. 1. The ERIKS O-ring manual is a guide which assists you in the selection of the best O-ring out of the correct rubber compound in the right application. Compounds available: 90 Duro nitrile, 90 Duro Viton, Teflon and. interference. As important as the o’ring seal itself is the groove that the o’ring seats into. Groove Design. Whether your application conforms to U. O-Ring Durometer. Choose between more than 30 groove materials and 11 O-ring compounds! Benefit from a modern user friendly design and be guided from design rec-ommendations from info boxes. You should always select a size that you feel comfortable will work for your application. Static applications: stretch the diameter by up to 5% and compress by up to 3%. Static applications: stretch the diameter by up to 5% and compress by up to 3%. O-Rings are specified by I. 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. After selecting a material that fits your sealing application, you can continue by having the Size Selector calculate the O-ring dimensions and tolerances, considering even thermal expansion and volume swelling of the sealing element. These are the sizes that are most readily available. Standard AS-568 size Rubber Square Rings can sometimes be used interchangeably in AS-568 standard size O-Ring gland designs. Metric o-ring groove designs vary greatly and choosing the right one for your application is important for maximum o-ring performance. Groove filling ratio % %. 4mm. D. H9 h11 f8 H11 mm – – R CS ID L d1 D R L d D1 Outside groove Inside groove 300 Dovetail grooves are used to hold the O-ring in place during installation or maintenance. JIS O-Ring Groups. Common Application Environments : Chemical Compatibility Guide Fluid Compatibility Ratings for Common Elastomer Materials. 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. Despite this we can bear no responsibility whatsoever for any errors present in the documentation. 000 for all sizes + . Slipper seals 109 6. com View basic o-ring design guides for grooves, glands, depth, width, clearance, stretch, squeeze and more from Marco Rubber O-Ring specialists and buy online O-ring groove design is a key consideration in the o-ring selection process. 4. Es ist daher am besten, hier zu beginnen. Learn more about static o-ring groove design for rod, cylinder, and piston o-rings from Marco Rubber, the industry leader in standard and custom o-rings. 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 to formulate the design criteria are also described, e. Seal & Design Canada: Toronto, Ontario (416) 741-7005 Toll Free: 1-866-242-3770Common Metric O-Ring Size Chart; British O-Ring Size Chart; Japanese JIS O-Ring Size Chart; O-Ring Groove Design Reference Guides. Polyurethane O-Rings. NOTE: you can select your tolerance range (+/- %) in the store. Common Metric O-Ring Size Chart; British O-Ring Size Chart; Japanese JIS O-Ring Size Chart; O-Ring Groove Design Reference Guides. Metric and Inch Cross Section thickness reference gauge. The proper o-ring size is a fundamental aspect of proper o-ring performance. AS568 Static O-Ring Axial Face Seal Glands (Link to: Metric O-Ring Groove Information) Static seals exist where there is no relative motion between the mating surfaces being sealed. 373. Flat Round Non-Metallic Washers; Insulator Gaskets; Custom Gaskets;. 00mm , page 14 of this PDF for example gives. One of the keys to creating a functional o-ring seal involves evaluation of o-ring volume and groove volume. Fluorosilicone O-Rings FVMQ. Kalrez® O-Rings FFKM. NF T 47-501 Metric O-Rings. Using the table above, determine the maximum recommended gland depth for your application. 1-23) 2. B2401 Metric O-Ring Sizes - BS4518 Metric O-Ring Sizes - GB/T 3452. 2. O-Rings are available in various standard sizes. 79. Static applications: stretch the diameter by up to 5% and compress by up to 3%. Housing groove width. Skip to content. The majority of o’ring rubbers have hardness’s between 60 and 90 Duro. This is also the case when placing an item inside another item and utilising the o-ring as the final sealant. Due to their unique four-lobed geometry, grooves for Quattro Seals are different than those for O-Rings. • If ®the Quad-Ring/X-Ring swells in the application, the groove width can be enlarged up to 15% max. D. Global O-Ring and Seal, LLC is a master distributor of O-Rings, Backup Rings, X-Rings, Cord Stock, and related seals, servicing industrial distributors worldwide. 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. (Premium Membership required) Preview: Groove design for o-ring sizes table calculator. The Surface Finish X, groove top and bottom: For liquids X= 32 micro inches. 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. Worldwide O-Ring inventory network available online, manufacturer direct pricing with same day shipping. The O-ring sits in the groove and is compressed during assembly, creating a seal between two surfaces. and load them also into your created design. For groove sides X=63 micro inches. One of the keys to creating a functional o-ring seal involves evaluation of o-ring volume and groove volume. 5"ID to 26" inside diameter on the other side. A. Application data sheet 184 9. D. Male or Plug Seal design is based on the following factors (refer to fig. Quattro Seal grooves are also narrower due to their ability to resist “spiral failure. These o-rings have non-stick characteristics with a shallow friction surface ideal for high temperatures. This is beneficial for special applications where the O-ring has to be fixed by the groove e. As important as the o’ring seal itself is the groove that the o’ring seats into. It has good hot water/steam, excellent amine resistance, and enhanced compression set properties. Select O-Ring Compounds and Order Online From the World’s Largest Inventory Network. High-durometer o-rings are better suited for higher pressures and are more resistant to extrusion. 3 0. When you know the exact o-ring you need, you can easily input this information to order online. A. Surface Finish X groove top and bottom : for liquids X = 32 micro inches (0. Select the type of O-ring groove - piston, rod, face seal or trapped seal. AS568 Standard O-Ring. This is a Square Style. Tolerances and Surface Imperfections: 203-211. Modifications to. SMS 1586 Metric O-Rings. D. Then, calculate the O-Ring groove diameter as follows: a. As well as the chemical volume swell or shrinkage of the O. 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 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. Ace Seal offers extensive o-ring manufacturing capabilities including a comprehensive selection of elastomers and sizes for standard imperial, metric, and special applications. 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. Dynamic o-rings are diverse, providing a wide range of uses, and selecting the right one for your application is key for achieving maximum o-ring performance. , 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. 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. and Inside Diameter cross section. Static Radial Glans Design Application. 001" (under 6"). Standard AS-568B; Japanese Metric O-Rings (JIS)To help you maximize o-ring performance, this dovetail o-ring groove design guide provides default recommendations to find the perfect o-ring dimensions. = B Min. For items comes to o-ring groove design, there are a few item you need to hold in mind. • Easy to use • PDF output • Saving of your designsThis table is a reference to O-ring sizes for common housing dimensions. thermal expansion of the groove and the O-ring. I. 50 1. 4 PTFE Seal Design Guide Parker. 22 - Max-Groove AlTiN Coated. For additional information about O-ring and back-up ring materials, refer to Materials and about extrusion, refer to Gap extrusion. Retaining snap ring is a fastener that holds components or assemblies onto a shaft or in a housing/bore when installed in a groove. 49 ID MM FPM 75: ORM0030-00249 NBR-70Common Metric O-Ring Size Chart; British O-Ring Size Chart; Japanese JIS O-Ring Size Chart; O-Ring Groove Design Reference Guides. g. Make it half a hexagon, with the inside edge being vertical, and the top/bottom edges of the inside the 45°angle chamfers. Since new designs. For standard O. O’ring Groove Design; O’ring Sizing; Cat D Rings; BSM O’Rings & Milk O’Rings; O’ring Cord; Quad Rings / Xrings; End Caps & Cover Seals; Gamma Seals & Axial Seals;. Introduction 5 2. English / Metric Conversions Custom Groove Calculations AN6226 Gland Dimensions & Tolerances (Army / Nav y) MS-28776 (MS-33675) Dash Size. O-RING GROOVE DESIGN. 3. The O-ring is the most widely used seal in the. When the Quad Ring is squeezed upon installation, they seal with the 4 small contact surfaces on the top and bottom. O-Ring Basics . Use at your own risk. Due to their unique four-lobed geometry, grooves for Quattro Seals are different than those for O-Rings. For more information or to request a quote on backup rings, please give us a call at 832-448-5550 or submit the Product Inquiry Form. If a custom kit, please specify the sizes to be included. Section Two covers basic o-ring seal design guidelines for male gland, female gland and face o-ring seals. Standard USA size Rubber Square Rings can sometimes be used interchangeably in USA standard size O-Ring gland designs. G = Groove Width. PRODUCT CLASS: X-RING KIT USA COMMON SIZES. Fax: 859-335-5128. 30 MM X 2. 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). 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. Thousands of non-standard sizes are available in stock or can be made within a few weeks typically without tooling fees so no need to settle for a less than optimal fit. Gland design guideline The data in this website are found to be useful to us. 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. E. O-Ring Groove Design; O-Ring Weight Calculator; Vulcanized O-Ring Calculator; Causes for O-Ring Failure;. Select the type of O-ring groove - piston, rod, face seal or trapped seal. For additional information about O-ring and back-up ring materials, refer to Materials and about extrusion, refer to Gap extrusion. 022/-0. 8 μm Ra) • Gland Dimensions Static Application-Face Seal. 000 for all sizes 1. Metric O-Ring sizing is determined by the o-ring's inside diameter and cross section width. 4mm, 3. +2 L Max. txt) or read online for free. 5-32 Parker Hannifi n Corporation • O-Ring Division 2360 Palumbo Drive, Lexington, KY 40509. Markez® O-Rings FFKM. Call Go: 716-759-2222. February 14, 2013. The ERIKS O-Ring design calculator features the calculation of: for axial seals with inner or outer pressure, piston seals and rod seal applications. By simply entering installation specifications for an application, it recommends O-Ring sizes, housing layout and corresponding part. Created Date: 7/7/2015 3:14:46 PM. For axial, radiated and flange request. The dovetail groove construction is only recommended for O-rings with bigger cross sections, . Click Grooves (Toolbox toolbar) or Toolbox > Grooves . 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. Simriz® SZ485. • Where differing amounts of compression effect the seal function (as with flat gaskets), an O-ring is not effected because metal to metal contact is generally allowed for. . Over the last 50 years, Apple Rubber has pushed the boundaries of rubber seal design. Insufficient radius will potentially cause damage to the o-ring during installation, while excessive radius may contribute to. D. The only time you Calculate the O-Ring groove dimensions. Explore some of the most common sealing materials we offer here. 6. These metric o-ring groov design reference guide will help you find the right radius, back-up, press and other o-ring dimensions required basic applications. 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. Male or Plug Seal design is based on the following factors (refer to fig. This interactive tool will walk you through calculating values for diameters, compression, tolerance and more for your custom seal application. ) is for reference only. Section sizes according to this standard include: 1. Learn about the factors that affect vacuum sealing performance, such as o-ring size, material, groove geometry, surface finish, and lubrication. smaller than 20 mm, this is not always possible due to tolerance issues, which can result in a greater O-ring O. 30BARNWELL ‘O’ RINGS Telephone +44(0)121 429 8011 (20 lines) Fax +44(0)121 434 3016 Website 5 D 2 = ‘O’ Ring O. The conditions considered to formulate the design criteria are also described, e. An O-ring. The proper o-ring size is a fundamental aspect of proper o-ring performance. Highly printable, and will still capture the oring. Seal Types and Gland Design. Dimensions per AS568 although tolerances vary by use, please see our tolerance pages. com Online: applerubber. This is beneficial for special applications where the O-ring has to be fixed by the groove e. Consider replacing Square-Rings with O-Rings or X-Rings that often provide greater performance for the same or. 003 in. Low. To use this document, first identify if you have an internal or external pressure gland requirement. 2. same as the recess diameter. Standard O-Rings; Metric O-Rings; GASKETS. O-ring groove design is critical to the performance of the O-ring seal. World Class; Certifications; Contact Us; Call Us: Seal & Design Canada: Toronto, Ontario (416) 741-7005 Toll Free: 1-866-242-3770 Headquarters: Clarence, NY. Step 2. The metric sizes are further broken down by region, notably Europe and Japan. Chemraz® O. 4. Dovetail grooves are used to hold the O-ring in place during installation or maintenance. standard P. When compressed between mating surfaces, an O-Ring blocks the passage of liquids or gases. 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 . Metric. It provides axial compression (face type) groove dimensions for aerospace metric O-ring sizes specified in MA2010. 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. Lubricating the O-ringStandard O-Rings; Metric O-Rings; Groove Design; Order Requirements. Lexington, KY 40509. G = (Do-Di)/2. O-Ring Standard Size Charts . Housing groove width. MS 28783 back-up rings match the dash numbers an AN 6230 O-rings. (figure 3) Boss Seals The O-ring is used for sealing straight thread tube fittings in a boss. As important as the o’ring seal itself is the groove that the o’ring seats into. 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. EMI-Shielded O-Rings and Seals. , 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. O-Ring Inside dia (mm - 4 digits -1 decimal place)"-" O Ring Section. 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. thermal expansion of the groove and the O-ring. L = Groove Depth + Clearance. METRIC STANDARD KIT (30 METRIC SIZES, 385PCS) JIS JAPANESE KIT (36 METRIC SIZES, 380PCS. (Premium Membership required) Preview: Groove design for o. A2, the tube is flanged to 90° (or the tube mayThe Japanese valves I've worked on are almost exclusively o-ring only, similar to an o-ring boss fitting, just metric. If the o-ring, quad-ring, x-ring or square-ring you need doesn't fit these standards, custom. Sealing Australia stocks a wide range of back-up rings to suit imperial and JIS metric sized o’rings. Ones you find the exact metric o-ring thee need, you can easily. Seal Design Guide. Since new designs should also try to incorporate these sizes, we offer groove design tools for static and dynamic applications. Tight-tolerance wear rings allow for a more precise fit of components, resulting in less dimensional “play. Ph: 859-269-2351. For rotary O-rings: a compression ratio of 0-10%. D. (A) is shown as a radius rather than a diameter. and seal in a female Metric parallel port conforming to ISO-9974-1 (DIN-3852, Part 1). The groove must be designed to accommodate not just the o’ring size, but also its intended usage; be it dynamic or static operation, radial or axial loading, vacuum or high pressure. For vacuum and gases X=16 micro inches. A. This recommended practice provides the design criteria for static elastomeric O-ring seal applications, axial compression (face type) groove dimensions. O-Rings are specified by I. I. O'ring groove dimensions for static and dynamic operation. and Inside Diameter cross section. QUANTITY:• O-ring failure is normally gradual and easily identified. Section 3—Global O-Ring Size Reference Guide Inch and metric dimensions with tolerances for most major, global o-ring size standards can be found in. Cross Section & Groove Design Data. Our groove design chart is a useful aid for selecting the right metric O-ring groove dimensions for your design. The reason such a large O-ring was chosen is (cross diameter = Ø0. Sizes and How to Order. With the existing grooves created. 7 N/mm for 80 Shore A. Sealing Australia stocks a wide range of o’rings from 40 Duro to 90 Duro. 0mm, 5. Seal Types and Gland Design. SHOP FOR METRIC O-RINGS. D. Once installed, the exposed portion acts as a shoulder which. Gland Design for Static Application for O-rings with Axial Squeeze. 7. Backup RingsDIN 3771 Metric O-Rings; NF T 47-501 Metric O-Rings; Backup Ring Size Chart; Metric Cross Reference; O-Ring Cord Tolerances; Metric O-Ring Tolerances; Oil Seal Size Chart; Materials . O-Rings are available in a wide range of. As shown in Fig. By simply entering installation specifications for an application, it recommends O-Ring sizes, housing layout and corresponding part. In most new designs, the o. This groove design is relatively uncommon as it is expensive to machine and should not be used unless absolutely required. Readily available is common USA and metric cross-sections and nearly unlimited diameters. A. . FKM; EPDM: Peroxide-Cured vs. 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. com - The Online O-Ring Connection. This interactive tool will walk you through calculating values for diameters, compression, tolerance and more for your custom seal application. Metric O’ring Rigs; O’ring Section Packages; Back-up Ring Kit; Quad Ring Kit; Bonded Washer Outfit;. g. Typical Axial Installation - Static °CThere are two main o-ring sizing types: standard and metric. 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. L = Gland Depth. 4mm. Displays a reference value for the diameter of the non-grooved mating part that completes the seal. O-Rings Design Guidelines, Specifications, Materials An O-ring , also known as a packing , is a flexible gasket in the shape of a loop; it is a elastomer with a round cross-section designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface. 4mm, 3. AS9100 / Quality Policy. For additional information about O-ring and back-up ring materials, refer to Materials and about extrusion, refer to Gap extrusion. PART NUMBER SKU: Please choose a configuration from the list below in order to check availability and pricing: If you require options not listed online yet, please click the Request a Custom Quote button below to request an offline quote. Parbaks are not available in standard for metric sizes. We stock all major compounds including Buna (Nitrile), Viton (FKM), EPDM, Silicone, Teflon, Aflas, etc. Using the table above, determine the maximum recommended gland depth for your application. O-Ring Seals Groove Diameter (Rod Gland) Tolerance - . It is used in all types of applications and by a broad range of industries. 091 0. 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. Our O-Ring Size Charts show the common O-Ring size standards most often used/referenced standards by our customers in the US and internationally. W. O-Ring Compatibility O-ring compatibility information for. 5" inside diameter. GROOVE DEPTH: Grooves must be at least 0. Note 1. Quick reference guide training video to assist users in properly using the Parker O-Ring Handbook in selecting, sizing, installing and using o-rings. Popular Sealing Material Families. These are the sizes that are most readily available. FlexiSeals® 21 5. 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. We have the largest selection of o-rings in all materials and styles ranging from standard o-rings to metric o-rings. Male or Plug - the O-ring groove is located on a plug which is inserted into the housing or cylinder (fig. (Consider a Sizing Cone for small O-Rings under 2. 375 inches. 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. • Easy to use • PDF output • Saving of your designsMetric o-ring groove dimensions are listed fork the of common metrics cross sections with and without relief rings. Fluorosilicone O-Rings FVMQ. Size CS (IN) ID (IN) OD (IN) CS (MM) ID (MM) OD (MM) 0. For vacuum and gases X=16 micro inches. O-Ring Size Chart: 169-202: 16. , seal squeeze and groove volume to accommodate O-ring swell. Standard AS-568B; Japanese Metric O-Rings (JIS) To help you maximize o-ring performance, this dovetail o-ring groove design guide provides default recommendations to find the perfect o-ring dimensions. Download it for free and enhance your knowledge of sealing technology. Metric-sized O-rings are readily available in the following material’s minimum: Black Nitrile (Buna-N) 70 and Black Viton® 75. For a static male to female mating interface: a compression ratio of 18-25%. One general guideline for good O-ring application and design is to maintain a range of % sqeeze on the O-ring (~10-40% for static and no more than 30% for dynamic). Make it half a hexagon, with the inside edge being vertical, and the top/bottom edges of the inside the 45°angle chamfers. Aerospace Group. Male or Plug - the O-ring groove is located on a plug which is inserted into the housing or cylinder (fig. 020 0. dash number appears to the right of the inside diameter (ID), and below the nominal cross section (CS). 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-Rings Size Chart. Square Rings and rubber washers 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. To view the size tolerances for the o-rings we sell, please refer to either the AS568 Size Chart for American Standard Sizes, or our Metric O-Ring Tolerances page for all other “metric” o-rings. Groove fill of the installed O-ring should not be more than 85 % to. Metric o-ring groove dimensions are listed for the most common metric cross sections with and without backup rings. Male or Plug Seal design is based on the following factors (refer to fig. A “metric o-ring” simply means that the size of the o-ring is defined in millimeters.