D. Select O-Ring Compounds and Order Online From the World’s Largest Inventory Network. In most new designs, the o. Calculate Results. 1-23) 2. Seal-Lok tube fittings (also known as flat face, O-ring face seal or ORFS fittings) have been proven to be very effective in eliminating leakage at higher pressures found in today's hydraulic systems. O-Ring Reference Number. For a rod (shaft) seal:O-Ring Max Groove Diameter = Min Shaft Diameter + (2 x Recommended Gland Depth) b. 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;. We have included Static, dynamic, and pneumatic applications. Dual turn rings conform to MS 28782 and match the dash numbers of an AN 6227 series of O-rings. Since new designs should also try to incorporate these sizes, we offer groove design tools for static and dynamic applications. Markez® O-Rings FFKM. (Consider a Sizing Cone for small O-Rings under 2. Additional Quantity to Quote. The only drawback to a high durometer is the decreased squeeze of the o-ring. standard P. The parameter dashboard in the Results section will immediately show you if the selected O-ring size is suitable for your. 8 μm Ra) groove sides: X. The dynamic format is structured to support movement while still. thermal expansion of the groove and the O-ring. and Inside Diameter cross section. Example: Based on your groove dimension in a static application, you are looking for an O-ring with 308 mm inner diameter and 5 mm cord thickness. It is used in all types of applications and by a broad range of industries. Read-only properties for the selected groove. This groove design is relatively uncommon as it is expensive to machine and should not be used unless absolutely required. D. Quad™-rings Gland Design Static/Dynamic (METRIC) The following table shows the groove dimensions for Quad™-rings. Gland design guideline The data in this website are found to be useful to us. This flow rate depends to a great extent on how the O-ring is used. g. O-Ring cross section and o-ring groove design data from ROW, Inc. O-Ring Groove Design. 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. QUANTITY:• O-ring failure is normally gradual and easily identified. (figure 3) Boss Seals The O-ring is used for sealing straight thread tube fittings in a boss. EMI-Shielded O-Rings and Seals. Dimensions per AS568 although tolerances vary by use, please see our tolerance pages. Calculate Results. For a bore (piston) seal:O-Ring Min. W. AS568 O-Ring - Groove Design. 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. O-Ring Groove Design; O-Ring Weight Calculator; Vulcanized O-Ring Calculator; Causes for O-Ring Failure; Downloads; Other Resources . 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. , 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 groove design is relatively uncommon as it is expensive to machine and should not be used unless absolutely required. . 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. 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 . Basic metric size retaining snap rings per. Kalrez® O-Rings FFKM. 53mm) and bigger. Metric o-ring groove designs vary greatly and choosing the right one for your application is important for maximum o-ring performance. 0mm, 4. Polyurethane O-Rings. dovetail groove 46 Dynamic seal – hydraulic 49 Sizing charts 50 2-xxx sizes. The ERIKS O-Ring design calculator features the calculation of: for axial seals with inner or outer pressure, piston seals and rod seal applications. Replace current O-ring with a harder O-ring. com. O-Ring Groove design plays an important part in how an o-ring seals. 7mm, 8. Simriz® SZ487. W Cross section Typical Radial Installation - Dynamic and Static. O‑ring product guide. 8 μm Ra) • Gland Dimensions Static Application-Face Seal. Tolerance. 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. The European valves seem to use bonded/dowty seals and coppers more often. 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. Quattro Seal grooves are also narrower due to their ability to resist “spiral failure. Standard O-Rings; Metric O-Rings; Groove Design; Order Requirements. Describes the groove. 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. Whether your application conforms to U. However, this is an expensive. The groove width dimensions are listed in. We're proud to offer the world's largest inventory of readily-available and highly customized sealing solutions. Technical Handbook O-rings Standard O-ring Sizes (000 Series 004 to 050 cross section Diameters w = . MS 28783 back-up rings match the dash numbers an AN 6230 O-rings. The O-Ring is confined in a triangular recess made by machining a. The proper o-ring size is a fundamental aspect of proper o-ring performance. Markez® O-Rings FFKM. This PDF catalog covers the design, materials, installation and applications of O-Rings and Back-up Rings, with detailed illustrations and tables. Polyurethane O-Rings. 0mm, 5. This metric o-ring rill design reference leadership will help you find the right radius, back-up, pressure and other o-ring machine for basic applications. The most common hardness found is 70 Durometer. Square Rings and Rubber Washers can be molded, machined, or cut cost effectively depending on the size, material, and quantity. 5" inside diameter. 5. 42 - Quick Change Grooving. EPDM O-Rings. O-rings are manufactured according to metric and imperial international standards such as AS-568B, DIN ISO 3601 and JIS. pick the bottom two points of the side groove and the outer most point of the side groove. PTFE product lines 11 4. O-Ring Selection; Bitte definieren Sie die Anwendungsparameter und wählen Sie ein Dichtungsmaterial aus. Use point 1 and point 3 and give the arc radius needed. 30 W MM X 2. For standard O. ) is for reference only. thermal expansion of the groove and the O-ring. Once you find the exact metric o-ring you need, you can. , 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. H P PRESSURE (P) FROM INSIDE 1 = ‘O’ Ring I. These are the sizes that are most readily available. (A) is shown as a radius rather than a diameter. Make it half a hexagon, with the inside edge being vertical, and the top/bottom edges of the inside the 45°angle chamfers. X-Rings, provide greater sealing efficiency and lower friction than a traditional O-ring. 003 Max. Step 2. Despite this we can bear no responsibility whatsoever for any errors present in the documentation. Whether you need high temperature o-rings, low temperature o-rings, high pressure o-rings, or o-rings with excellent chemical resistance. Japanese Metric O-Rings (JIS) and Sizes. 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. 1-24). Techno Ad specializes in supply of sealing solutions and engineering support related to design and problem solving of sealing requirements for all industries. 002 for sizes 2-006 through 2-324. Female or Tube - the O-ring groove is located in the housing or. See below for our entire list of beveled retaining ring dimensions and configuration drawings. Experience the Future of O-Ring Measurement with Olypsys® O-Ring Back-Up Ring Sizes O-Ring Elastomers Custom Labeled and Packaged Solutions FDA and 3-A Sanitary O-Rings Food, Dairy & Water O-Ring Groove Chart Metric O-Ring Information ASTM Specifications O-Ring Groove Information - AS568 O-Ring Size Chart PDF O-Ring. Metric O-Rings Size Chart. Standard USA X-Rings sizes. METRIC DOVETAIL GROOVE DESIGNS. METRIC STANDARD KIT (30 METRIC SIZES, 385PCS) JIS JAPANESE KIT (36 METRIC SIZES, 380PCS. chemical volume swell (%) cross section diameter (mm) ISO 3601. The design of the groove where the o-ring sits plays a major role in how the o-ring performs its sealing. 5mm, 4. Sealing Australia stocks a wide range of o’rings from 40 Duro to 90 Duro. Order online today from the world's largest o-ring inventory network for the lowest prices and fast. In most static applications, it is a direct replacement for an. O-Ring Groove design plays an important part in how an o-ring seals. Polyurethane O-Rings. Housing groove width. Dual turn rings conform to MS 28782 and match the dash numbers of an AN 6227 series of O-rings. As a global innovator for industries ranging from aerospace to medical and everything in between, we're solving the world's toughest sealing challenges, one o-ring at a time. 139 inch (3. com. Experimental analysis and experience have shown that elastomer o. 60mm. 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 EMI-Shielded O-Rings and Seals. Fluorosilicone O-Rings FVMQ. 003 inches, w = 1,78 ± 0,08 mm Size Nominal Size Standard O-ring Size Metric O-ring Size Only (Inches) (Inches) (millimeters) AS 568A Actual Per AS 568 A Actual Per AS 568A Uniform Dash No. FKM; EPDM: Peroxide-Cured vs. Standard was developed for use in the United States, while the international community uses metric sizes. O’ring. Parker Seal-Lok fittings meet or exceed the requirements of SAE J1453 and ISO 8434-3. Static 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 Industrial O-Ring Static Seal Glands O-Ring 2-Size AS568B-W Cross-Section Nominal Actual L Gland Depth Squeeze Actual % E(a) Diametral Clearance Outside diameter (O. Then, calculate the O-Ring groove diameter as follows: a. Test. 4mm. These o-ring sizes are unique to Japan’s automotive, semiconductor, and manufacturing industries. Seal & Design is a leading manufacturer and distributor of die cut gaskets, seals, o-rings, and molded rubber products. This keeps the O-ring in the groove during assembly. These o-ring sizes are unique to Japan’s automotive, semiconductor, and manufacturing industries. When you know the exact o-ring you need, you can easily input this information to order online. D. Contact Us For Assistance Or Samples Click Here and contact us today to receive a quote or if you have any questions regarding sizing. and load them also into your created design. jpgA general-purpose compound for O-rings, seals, and other parts used in chemical process industries. Due to their unique four-lobed geometry, grooves for X-Rings are different than those for O-Rings. Joined O’rings; O’ring Elastomer Guide; O’ring Groove Design; O’ring Sizing; Male D Ringing; BSM O’Rings & Milk O’Rings; O’ring Connecting. The conditions considered to formulate the design criteria are also described, e. With over 8,000 different O-Ring sizes in stock, we have exactly what you are looking for and we. 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. Parker 5-XXX Series Size Chart. With the existing grooves created. What's New. Popular O-Ring Material Comparison Guide; FFKM Kalrez® O-Rings Material; FFKM Markez® O-Rings Material;Outside diameter (O. The outstanding heat stability and excellent resistances are due to the high ratio of fluorine to hydrogen. ISO 6149 specifies O-Rings designed for use in Metric Tube Fittings. Dynamic O-Ring Sealing Parker Hannifin Corporation O-Ring Division 2360 Palumbo Drive, Lexington, KY 40509 Phone: (859) 269-2351 • Fax: (859) 335-5128 Parker O-Ring Handbook 5. Business-to-business sales only. FKM; EPDM: Peroxide-Cured vs. World Class; Certifications; Contact Us; Call Us: Seal & Design Canada: Toronto, Ontario (416) 741-7005 Toll Free: 1-866-242-3770 Headquarters: Clarence, NY (716) 759-3344 Higbee Division: Syracuse, NYCommon Metric O-Ring Size Chart; British O-Ring Size Chart; Japanese JIS O-Ring Size Chart; O-Ring Groove Design Reference Guides. View basic o-ring design guides for grooves, glands, depth, width, clearance, stretch, squeeze and more from Marco Rubber O-Ring specialists and buy onlineGroove Depth (= Gland Depth) W I. should not exceed 3% of the rod gland diameter for O-rings with an I. Our Office is Closed for the Day. manufacturers of encapsulated o-rings and industrial gaskets. Standard AS-568 size Rubber Square Rings can sometimes be used interchangeably in AS-568 standard size O-Ring gland designs. S Spring energizer with o-ring groove U Geothermal EPR o-ring V Fluorocarbon o-ring W Nuclear grade. Dual turn rings conform to MS 28782 and match the dash numbers of an AN 6227 series of O-rings. AS568 Standard Inch O-Rings - Premium Grade Global Standard Metric O-Rings ISO3601 OSK™ Assorted O-Ring Kits Extruded Rubber O-Ring Cord Vulcanized O-Rings - Precision Tailored to Your Needs Olypsys® O-Ring Measurement Hydraulic Seals, Wipers, Rod Seals, Piston Seals, and Wear Rings ↪ Universal Rod/Piston U-Cups ↪ Loaded U. 0mm, 2. Please see our O’ring Size page for a comprehensive list of BS1806/AS568A, SAE and JIS metric sizes. 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. Flat Round Non-Metallic Washers; Insulator Gaskets; Custom Gaskets;. D. Suggested Groove Design for Quattro Seals™. S. Gland Design for Static Application for O-rings with Radial Squeeze Industrial Radial Glands INCHES. Common Metric O-Ring Size Chart; British O-Ring Size Chart; Japanese JIS O-Ring Size Chart; O-Ring Groove Design Reference Guides. 30 2. com. A LEADING PROVIDER OF HIGH QUALITY O-RINGS, O-RING KITS & ACCESSORIES. They are one of the most common and important elements of machine design. info. This groove design is rela-tively uncommon as it is expensive to machine and should not be used unless absolutely. Static applications: stretch the diameter by up to 5% and compress by up to 3%. 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. These are ideal for applications with a temperature range of -100 and 500 degrees Fahrenheit. 24 - Full Radius Grooving Tools. O. 713-675-5271 FAX 713-675-2730 1-800-888-5223 FAX 1-800-444-3252. ISO 3601-1 states two classes of O-rings: Class A and Class B. Worldwide O-Ring inventory network available online, manufacturer direct pricing with same day shipping. METRIC DOVETAIL GROOVE DESIGNS. Metric O-Rings. This metric o-ring groove design reference guide will help you find the right radius, back-up,. Silicone Parts and Seals. We are certified to meet 9001:2015 & AS9100D standards and serve a diverse customer base of manufacturers, distributors and catalog-houses. com - The Online O-Ring Connection. 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. 2360 Palumbo Drive. Refer to our o-ring sizing charts for the most commonly used sizes around the world like; USA AS568 o-ring standard sizing chart, common metric o-ring sizing chart, Japanese JIS o-ring sizing chart, British BS o-ring sizing chart, quad-ring ® seals x-ring sizing charts,. Our tolerances are only meant to serve as a guide. BS4518 is a metric standard issued by the British Standards Institution that defines dimensions for O-rings and their housings for rod, piston, face, and trapped grooves. Our ranges of O-rings include metric sizes and inch sizes to a range of international, national and industry standards. 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. O-Ring Basics . Once installed, the exposed portion acts as a shoulder which. 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. Cross Section & Groove Design Data. D. 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. O’ring. 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. Learn More > Contact. 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. Compounds available: 90 Duro nitrile, 90 Duro Viton, Teflon and. High-durometer o-rings are better suited for higher pressures and are more resistant to extrusion. Bitte beachten Sie, dass einige Ihrer ausgewählten Parameter Einfluss auf die Größenauswahl haben. O-rings. txt) or read online for free. Calculate the Quad-Ring® Brand groove dimensions. Refer to our o-ring sizing charts for the most commonly used sizes around the world like; USA AS568 o-ring standard sizing chart, common metric o-ring sizing chart, Japanese JIS o-ring sizing chart, British BS o-ring sizing chart, quad-ring ® seals x-ring sizing charts,. The four-lobed design not only provides lower friction than the Square Cut O-Ring but also, due to its square cross-section, it resists spiral twist. Common Metric O-Ring Size Chart; British O-Ring Size Chart; Japanese JIS O-Ring Size Chart; O-Ring Groove Design Reference Guides. Design Chart 5-2-b: Design Chart for Industrial Dynamic Metric Cross-Sections. Metric o-ring groove designs vary greatly and choosing the right one for your application is important for maximum o-ring performance. Chemraz® O-Rings FFKM. 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. 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. 1 OR O-rings in static radial sealing, metric sizes ID 2,9 – 17,3 mm Dimensions Dash-number Designation Outside groove Inside groove ID CS L R D d 1 d D 1 +0,2 max. Radius “R” is critical. 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. The Japanese Industrial Standard (JIS B 2401) contains three groups; aerospace group, general purpose group, and traditional group. O-Ring Compatibility O-ring compatibility information for. For those who are unfamiliar with O-ring design, it is recommended to first study this introductory section, becoming familiar with the basic principles of O-ring sealing, their common uses and general limitations. Not recommended for use in organic or inorganic acids at high temperatures. 20 - Standard Grooving Tools. O. Common Application Environments : Chemical Compatibility Guide Fluid Compatibility Ratings for Common Elastomer Materials. Modifications to. Sizes and How to Order. Yes they are BSPP. Bore. ANSI B27. Retaining snap ring is a fastener that holds components or assemblies onto a shaft or in a housing/bore when installed in a groove. 225"). Use this tool for analyzing your current gland and o-ring combination. 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. S. Our groove design chart is a useful aid for selecting the right metric O. I. 0mm, 3. g. Sizes and How to Order. 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. Silicone Parts and Seals. O-Ring Design Guide: 3 Ph: 08 6350 1755: Machining Specifications: O-Ring Design Guide: O-Ring Gland Types: O-rings are primarily used to prevent the loss of a fluid or gas. O-Ring Assembling Conditions: 162-168: 15. Dean’s original philosophy included exceeding customer expectations. Sealing Australia stocks a wide range of o’rings from 40 Duro to 90 Duro. 1-23) 2. 0025", while tight-tolerance wear rings are held to ±. Create a new 3-point Workplane. Browse design. 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 MA2010. Mil. Finishes are RMS values L G R R 1 O-Ring Dovetail Grooves Radius “R” is. The groove width dimensions are listed in. Learn More > Contact. dovetail groove 46 Dynamic seal – hydraulic 49 Sizing charts 50 2-xxx sizes. Metric. These are the sizes that are most readily available. If unsure, it is always best to use two backup rings per one o-ring. I. Popular Sealing Material Families. 001" (under 6"). Fig. 1)ISO 3601. Seal & Design. Parker Hannifin O-Ring Division 2360 Palumbo Drive Lexington, KY 40509 Ph; 859-269-2351 Fax: 859-335-5128 ordmailbox@parker. Sealing Elements Technical Handbook O-rings 1 All the information in this documentation has been compiled with the greatest of care. 4mm, 3. USA AS568 O-Rings, 2- Parker O-Rings, Japanese JIS O-Rings, Metric O-Rings, BS British BS1806 O-Rings. February 14, 2013. This dynamic o-ring groove design guide for rod and piston glands will help you find the. The dovetail groove construction is only recommended for O-rings with bigger cross sections, . View our size chart. Dynamic applications: stretch a piston seal by up to 5% and compress a rod seal by up to 3%. Once thee find the concise metric o-ring him need, you can easily order online from the world's largest o-ring inventory network. It will be seen from the results plotted in Figure I (see page 3) that increasing the squeeze reduced the leak rate dramatically. Chemraz® O-Rings FFKM. Chemraz® O-Rings FFKM. Our O-rings are manufactured according to metric and imperial international standards such as AS 568B, DIN ISO 3601 and JIS. 1 Seal Jacket - Compound varies by design. • If ®the Quad-Ring/X-Ring swells in the application, the groove width can be enlarged up to 15% max. Markez® O-Rings FFKM. Interlock Groove. Lexington, KY 40509. As important as the o’ring seal itself is the groove that the o’ring seats into. Slipper seals 109 6. 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. 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. As shown in Fig. D. Section sizes according to this standard include: 1. and Inside Diameter cross section. Use at your own risk. Ace Seal offers extensive o-ring manufacturing capabilities including a comprehensive selection of elastomers and sizes for standard imperial, metric, and special applications. 49 MM FPM 75: METRIC O-RING . For vacuum and gases X=16 micro inches. SMS 1586 Metric O-Rings. ISO 6149 Metric O-Rings. O-Ring Sizing Guides. 005 inches. The Surface Finish X, groove top and bottom: For liquids X= 32 micro inches. G = Groove Width. In static applications the recommended squeeze is usually between 15-30%. L = Groove Depth + Clearance. Bitte beachten Sie, dass einige Ihrer ausgewählten. These use a trapezoidal-sectioned elastomeric seal which is embedded into a groove that’s cut into the stud end of the adapter fitting. The O-ring inner diameter (ID) should also stretch approximately 5% over your groove or gland. It is an O-ring face seal type fitting that consists of a nut, a body, an O-ring and a sleeve. O-Ring Inside dia (mm - 4 digits -1 decimal place)"-" O Ring Section. Male or Plug - the O-ring groove is located on a plug which is inserted into the housing or cylinder (fig. Learn the basics of O-Rings and Back-up Rings from Trelleborg, a leading global supplier of sealing solutions. Explore some of the most common sealing materials we offer here. AS9100 / Quality Policy. • Easy to use • PDF output • Saving of your designsThis table is a reference to O-ring sizes for common housing dimensions. Standard AS568B Metric Dovetail EXTRUSION LIMITS & O-RING CLEARANCE GAPS An o-ring is contained in a gland and forced to flow into the surface imperfections of the. For more information on o-ring groove design, click here. 020 0. This interactive tool will walk you through calculating values for diameters, compression, tolerance and more for your custom seal application. oesmailbox@parker. We stock all major compounds including Buna (Nitrile), Viton (FKM), EPDM, Silicone, Teflon, Aflas, etc. 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. Insure installation of proper size O-rings. An O-ring groove is a circular cross-sectioned recess in a housing or mechanical device designed to hold an O-ring seal. 39 - External Groove Tools.