Fluoroelastomer (Viton®, FKM) offers a wide range of resistance to chemicals, oil and heat, with situational service life above 200°C. Calculate the Quad-Ring® Brand groove dimensions. 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. 1 Max. 3. Whether your application conforms to U. We carry a full range of AS568 standard sizes, as well as metric sizes and O-Ring cord stock. Popular Sealing Material Families. Dovetail grooves are used to hold the O-ring in place during installation or maintenance. Our ranges of O-rings include metric sizes and inch sizes to a range of international, national and industry standards. X-rings are available in the same USA standard. The purpose of this chart is to specify the. Worldwide O-Ring inventory network available online, manufacturer direct pricing with same day shipping. thermal expansion of the groove and the O-ring. Gland Design for Static Application for O-rings with Radial Squeeze Industrial Radial Glands INCHES. 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. Which guide will walk you taken the basics! Visit our website to know more. O-rings. Standard USA X-Rings sizes. Housing groove width. I. 5mm, 4. 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. standard P. 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. Learn More > Contact. 1-23) 2. Parbaks are not available in standard for metric sizes. SMS 1586 Metric O-Rings. Fluorosilicone O-Rings FVMQ. After Hourly ServiceTimelord (Mechanical) 15 Dec 08 16:29. Sulfur-Cured; O-Ring Shelf Life; O-Ring Groove Design; O-Ring Weight Calculator. Dimensional tolerances for all AS568 o-rings offered by Global O-Ring and Seal are in accordance with ISO 3601-1A. When designing an O-ring groove, it is essential. 3. 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. and load them also into your created design. However, O-rings can be used as dust seals, drive belts or on. 2. O-Ring Cross Section. O-ring sire. 30 2. 4mm. D. Worldwide unique online calculation tool taking into consideration of the thermal expansion of the construction parts and the O-Ring. Popular O-Ring Material Comparison Guide; FFKM Kalrez® O-Rings Material; FFKM Markez® O-Rings Material;Outside diameter (O. Hard material yields higher pressure required to force the o-ring into extruding. 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. = B Min. This PDF catalog covers the design, materials, installation and applications of O-Rings and Back-up Rings, with detailed illustrations and tables. txt) or read online for free. Polyurethane O-Rings. Free groove volume. For a rod (shaft) seal:O-Ring Max Groove Diameter = Min Shaft Diameter + (2 x Recommended Gland Depth) b. O-Ring Handbook Parker Hannifin O-Ring Division Europe. The only time youCalculate the O-Ring groove dimensions. Metric O-Rings Size Chart. (Consider a Sizing Cone for small O-Rings under 2. Static applications: stretch the diameter by up to 5% and compress by up to 3%. CPD# or Material Description (Durometer, Color & Other Attributes) *. The dovetail groove construction is only recommended for O-rings with cross sections of . Business-to-business sales only. O. Once thee find the concise metric o-ring him need, you can easily order online from the world's largest o-ring inventory network. O-Ring Reference Number. Male or Plug - the O-ring groove is located on a plug which is inserted into the housing or cylinder (fig. We're proud to offer the world's largest inventory of readily-available and highly customized sealing solutions. Compounds; Chemical Compatibility; Viton® vs. 3. 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. I. Fax: 859-335-5128. 367 sizes and follows ISO 3601-1 very closely (with a few extra sizes). The metric sizes are further broken down by region, notably Europe and Japan. The flange adapters and 4 bolt flange block fittings have O-ring grooves conforming to dimensions in ISO 6162-1 and -2 (SAE J518). MS 28783 back-up rings match the dash numbers an AN 6230 O-rings. For more information on o-ring groove design, click here. X-Rings, provide greater sealing efficiency and lower friction than a traditional O-ring. Standard was developed for use in the United States, while the international community uses metric sizes. , seal squeeze and. Insuffi cient radius will potentially cause damage to the O-ring during installation, while. Chemraz® O-Rings FFKM. It is used in all types of applications and by a broad range of industries. For complete list of o-ring seal sizes, please use the O-Ring Size Search Tool online at applerubber. The only time you Technical Handbook O-rings 12 C. O-rings with smaller cross sections are squeezed by a higher percentage to overcome the relatively higher groove dimension tolerances. International O-Ring Size Cross Reference Table. The thread relief of the pin thread is approximately 2. According to BS4518 the O-Ring reference number =. O-Ring inner diameter stretch, outer diameter squeeze. View our technical reference guides: O-Ring Sizes , O-Ring Material Guide , O-Ring Groove Design , O-Ring Chemical Compatibility , O-Ring Failure Analysis . pick the bottom two points of the side groove and the outer most point of the side groove. Click Grooves (Toolbox toolbar) or Toolbox > Grooves . 6. X-rings are offered in AS568 and Metric sizes. Explore some of the most common sealing materials we offer here. Surface Finish X groove top and bottom : for liquids X = 32 micro inches (0. 2. Start. This Chart Calculator Specifies Groove design for o-ring sizes ranging from 0. ” This allows the extrusion gap to be smaller for tight-tolerance wear rings, thusPTFE Seal Design Guide Parker Hannifin Corp. However, this is an expensive. Quad™-rings Gland Design Static/Dynamic (METRIC) The following table shows the groove dimensions for Quad™-rings. thermal expansion of the groove and the O-ring. com. O-Ring Durometer. 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 66° Mean Groove Diameter Coincides With Mean O-ring Diameter. ISO [email protected] 973. Dynamic o-rings with rod and piston gland designs are used for most basic dynamic applications. Thousands of common metric o-rings and non-standard o-rings in metric sizes are available in stock. For additional information about O-ring and back-up ring materials, refer to Materials and about extrusion, refer to Gap extrusion. Use the metric o-ring size chart to find common metric o-ring sizes by cross section, inside diameter, and outside diameter. Loaded U-Cups, Non loaded U-Cups, Hydraulic or Pneumatic U-Cups We make getting U-Cups easy! MUU Symmetrical. Bitte beachten Sie, dass einige Ihrer ausgewählten. L = Groove Depth + Clearance. O-ring design guides for engineers help select the best o-ring material specifications for your applications. 0mm, 2. D. ), and includes the Extended Sizes in the 400 Series. 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. Choose your rubber properties by going to our O-ring Material Guide section. O'ring groove dimensions for static and dynamic operation. Housing groove width. 1-23) 2. com. Spring - Elgiloy, Hastelloy, Stainless Steel Spring Style - V, Helical, Slanted Coil Other materials available. These o-ring sizes are unique to Japan’s automotive, semiconductor, and manufacturing industries. METRIC DOVETAIL GROOVE DESIGNS. . Dual turn rings conform to MS 28782 and match the dash numbers of an AN 6227 series of O-rings. EMI-Shielded O-Rings and Seals. com. 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. D. standard P. An O-Ring is a solid-rubber seal shaped like a dough nut or torus. Housing groove width. For rotary O-rings: a compression ratio of 0-10%. AS9100 / Quality Policy. 7. As important as the o’ring seal itself is the groove that the o’ring seats into. It should be used only when it is absolutely necessary. GROOVE DEPTH: Grooves must be at least 0. 8 μm Ra) For vacuum and gases X = 16 micro inches (0. 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. Dynamic o-rings with rod and piston gland designs are used for most basic dynamic applications. Pushing the Boundaries of Seal Design for 50 Years. Any O-Ring Size. 00 mm per. The multi sealing points also reduce the amount of force needed to seal and extends the life of the seal. An O-ring groove is a circular cross-sectioned recess in a housing or mechanical device designed to hold an O-ring seal. O-Ring Metric Groove Design [PDF] See full list on globaloring. 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. com. Metric-sized O-rings are readily available in the following material’s minimum: Black Nitrile (Buna-N) 70 and Black Viton® 75. Standard was developed for use in the United States, while the international community uses metric sizes. Custom o-rings are available upon request and can typically be produced within a few. Using the table above, determine the maximum recommended gland depth for your application. D. 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. Seal & Design. The outstanding heat stability and excellent resistances are due to the high ratio of fluorine to hydrogen. For axial, radiated and flange request. The majority of o’ring rubbers have hardness’s between 60 and 90 Duro. 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 calculator takes all relevant. Markez® O-Rings FFKM. Subsequently, Global O-Ring and Seal defines the quality acceptance criteria of all O-rings to be in accordance with ISO 3601-3 Grade N which. Fluorosilicone O-Rings FVMQ. Radius “R” is critical. I have an older edition (25th). and seal in a female Metric parallel port conforming to ISO-9974-1 (DIN-3852, Part 1). Displays the diameter of the selected cylindrical face, or No selected diameter. Bitte beachten Sie, dass einige Ihrer ausgewählten Parameter Einfluss auf die Größenauswahl haben. I have an older edition (25th). What's New. 1mm, 5. (fig. Polyurethane O-Rings. 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. 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. Example: N0674-70 2-325. The O-ring inner diameter (ID) should also stretch approximately 5% over your groove or gland. S. Search. 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. Compare x-ring material compounds and easily order online from the world's largest x-ring inventory network. D. Use point 1 and point 3 and give the arc radius needed. The types of sealing styles shown in DIN-3852-1 / ISO 9974 are below: 1) Type E - For fixed stud ends only. This metric o-ring groove design reference guide will help you find the right radius, back-up,. Standard Size Charts for Quad-Ring® Seals and X-Ring Seals. Break sharp edges of gland to a minimum radius 0. Use this tool for designing new glands based upon desired o-ring sizing. Parker Hannifin O-Ring Division 2360 Palumbo Drive Lexington, KY 40509 Ph; 859-269-2351 Fax: 859-335-5128 ordmailbox@parker. 1-23) 2. We Willingly Open in 8 am CST on Monday. Select a standard, groove type, and available groove size from the lists on the top left of the tab. These Back-up Rings are produced in either a contoured design, Split (MS28774) or Solid (MS27595) configuration and a wide range of materials are used to fit your application. All surfaces and corners must be free of tool marks and scratches. Worldwide O-Ring inventory network available online, manufacturer direct pricing with same day shipping. Cross Section & Groove Design Data. 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. O-ring Groove Design in 3 easy steps: Step 1. For complete list of o-ring seal sizes, please use the O-Ring Size Search Tool online at applerubber. Then, calculate the O-Ring groove diameter as follows: a. O-Ring Gland Design Information: 131-161: 14. This groove design is relatively uncommon as it is expensive to machine and should not be used unless absolutely required. With over 8,000 different O-Ring sizes in stock, we have exactly what you are looking for and we. With the existing grooves created. Learn More > Contact. ISO 3601-2. Dimensions per AS568 although tolerances vary by use, please see our tolerance pages. S Spring energizer with o-ring groove U Geothermal EPR o-ring V Fluorocarbon o-ring W Nuclear grade. The O-ring inner diameter (ID) should also stretch approximately 5% over your groove or gland. 139 inch (3,53 mm) and larger. )Common Metric O-Ring Size Chart; British O-Ring Size Chart; Japanese JIS O-Ring Size Chart; O-Ring Groove Design Reference Guides. It is the most common and most widely known type of seal in use today. So, we’ll be looking for a 100 series O-ring groove to match that dimension. 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. These o-rings have non-stick characteristics with a shallow friction surface ideal for high temperatures. February 14, 2013. View our technical reference guides: O-Ring Sizes , O-Ring Material Guide , O-Ring Groove Design , O-Ring Chemical Compatibility , O-Ring Failure Analysis . Sulfur-Cured; O-Ring Shelf Life; O-Ring Groove Design; O-Ring Weight Calculator. What's New. Explore some of the most common sealing materials we offer here. 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. I. For vacuum and gases X=16 micro inches. The Surface Finish X, groove top and bottom: For liquids X= 32 micro inches. For industrial use, order the O-ring by the Parker compound number followed by the size number. Dual turn rings conform to MS 28782 and match the dash numbers of an AN 6227 series of O-rings. We stock all major compounds including Buna (Nitrile), Viton (FKM), EPDM, Silicone, Teflon, Aflas, etc. In addition to standard imperial and metric sizes, Eastern Seals also supplies a wide variety of non-standard sizes. Gland Depth x Groove Width (area of the gland) must be larger than the cross section area of the o-ring. The seal effect is created during installation by axial or radial compression of the cross-section. Insufficient radius will potentially cause damage to the o-ring during installation, while excessive radius may contribute to. Putting the angled face to the outside renders it useless for retaining the o-ring because the o-rings is pulled towards the. For additional information about O-ring and back-up ring materials, refer to Materials and about extrusion, refer to Gap extrusion. D. Seal Types and Gland Design. 4mm. Technical information for O-rings An O-ring is a sealing element used to reliably seal against fluids and gases. 2. Tolerances and. When compressed between mating surfaces, an O-Ring blocks the passage of liquids or gases. 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. For standard sizes, aerospace standard AS568 and ISO 3601 for metric sizes are used to give the dimension and tolerance. 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. O-ring groove design is a key consideration in the o-ring selection process. D. Metric O-Ring sizing is determined by the o-ring's inside diameter and cross section width. Standard O-RingsThis 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. Lexington, KY 40509. • Easy to use • PDF output • Saving of your designs AS568B STANDARD O-RING GROOVE DESIGN. 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. D. 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. O-Ring Gland Design Information: 131-161: 14. O-Ring Basics . Female or Tube - the O-ring groove is located in the housing or. It also provides an overview of international sizes and standards, and compatibility data for fl uids,. A. Flat Round Non-Metallic Washers; Insulator Gaskets; Custom Gaskets;. Learn more about O-Ring sizes with the links below. Displays the diameter of the selected cylindrical face, or No selected diameter. This SAE Recommended Practice provides the design criteria for static elastomeric O-ring seals used specifically in engine and engine control systems. To use this document, first identify if you have an internal or external pressure gland requirement. Static o-ring inside and outside diameters, cross-sections and other dimensions are a fundamental component of o-ring performance. and O-ring Groove Design Chart. O-Ring Size Chart: 169-202: 16. (A) is shown as a radius rather than a diameter. 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. Learn More > Contact. An O-ring groove is a circular cross-sectioned recess in a housing or mechanical device designed to hold an O-ring seal. Pure PTFE o-rings are rigid and stiff. The PTFE shell offers excellent chemical and temperature resistance while the Silicone core provides the resiliency needed to provide effective sealing. 8 μm Ra) groove sides: X. 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. smaller than 250 mm. It provides radial compression groove dimensions for aerospace metric O. pdf), Text File (. O-Rings are available in various standard sizes. . • For ®the Quad-Rings/X-Rings not listed, the groove dimensions are Popular Sealing Material Families. Bore. FlexiSeals® 21 5. Gland Detail Finishes are RMS values (Refer to Design Chart 4-3 below) 4-18 Parker Hannifi n Corporation • O-Ring Division. O-ring sire. 14 Parker O-ring compound numbering system 15 Compound tables 15 Polyacrylate (ACM). This recommended practice provides the design criteria for static elastomeric O-ring seal applications, axial compression (face type) groove dimensions. 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. I. thermal expansion of the groove and the O-ring. O‑ring product guide. Initial Quantity *. deeper than the maximum radial. G = (Do-Di)/2. Our groove design chart is a useful aid for selecting the right metric O-ring groove dimensions for your design. Quick reference guide training video to assist users in properly using the Parker O-Ring Handbook in selecting, sizing, installing and using o-rings. The groove design should follow industry standards or guidelines provided by O-Ring manufacturers to achieve effective sealing in different applications. World Class; Certifications; Contact Us; Call Us: Seal & Design Canada: Toronto, Ontario (416) 741-7005 Toll Free: 1-866-242-3770 Headquarters: Clarence, NY. 7 size chart. Our O-rings are manufactured according to metric and imperial international standards such as AS 568B, DIN ISO 3601 and JIS. In most new designs, the o. The majority of o’ring rubbers have hardness’s between 60 and 90 Duro. Fluorosilicone O-Rings FVMQ. ") for the O-ring than that of the O-ring's ID (6. Lexington, KY 40509. should not exceed 3% of the rod gland diameter for O-rings with an I. O-Rings METRIC 190 - 191 192 - 195 Metric O-Ring Sizes - Standard Metric O-Ring Sizes - SMS 1586 Metric O-Ring Sizes - J. O-Ring Inside dia (mm - 4 digits -1 decimal place)"-" O Ring Section. 367 sizes and follows ISO 3601-1 very closely (with a few extra sizes). Technical Handbook O-rings Standard O-ring Sizes (000 Series 004 to 050 cross section Diameters w = . DIN 3771 Metric O-Rings. 8 μm Ra). This static o-ring groove design guide will help you find the right rod and piston gland design for your application. 000 in. Metric O-Ring Size Cross Reference Table. 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. It has good hot water/steam, excellent amine resistance, and enhanced compression set properties. 4mm, 3. 5 to 12. Our Office is Closed for the Day. 49 MM FPM 75: METRIC O-RING . O-Ring Groove design plays an important part in how an o-ring seals. ) is for reference only. Once you’ve found the dovetail o-ring you need, you can quickly and easily order online from the world's largest o-ring inventory network. Standard O-Rings; Metric O-Rings; GASKETS. O-ring calculator with complete design analysis. Metric o-ring groove dimensions are listed for the most common metric cross sections with and without backup rings. 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. E. Kalrez® O-Rings FFKM. Metric O’ring Kits; O’ring Section Kits; Back-up Band Kit; Quad Rings Kit; Bonds Washer Constructive;Suggestions on printing an o-ring groove. 30BARNWELL ‘O’ RINGS Telephone +44(0)121 429 8011 (20 lines) Fax +44(0)121 434 3016 Website 5 D 2 = ‘O’ Ring O. Retaining snap ring is a fastener that holds components or assemblies onto a shaft or in a housing/bore when installed in a groove. DIN 3771 Size Chart. Standard O-Rings Outside diameter (O. 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, NYFor face seals, an o-ring is installed in a groove that is machined into a. Techno Ad specializes in supply of sealing solutions and engineering support related to design and problem solving of sealing requirements for all industries. +2 L Max. 5-30 Parker Hannifi n Corporation • O-Ring Division 2360 Palumbo Drive, Lexington, KY 40509 Phone: (859) 269-2351 † Fax: (859) 335-5128 Dynamic O-Ring Sealing Parker O-Ring Handbook Gland Dimensions for Industrial Reciprocating O-Ring Seals Groove Diameter (Rod Gland) Tolerance - . , 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. Browse design. Business-to-business sales only. Finishes are RMS values L G R R 1 O-Ring Dovetail Grooves Radius “R” is. 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. 2. We have made this choice for these reasons: 1. L = Gland Depth. 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. Chemraz® O. R R1 Finishes are RMS values O-Ring Dovetail Grooves Radius “R” is CRITICAL. O-Ring Selection; Bitte definieren Sie die Anwendungsparameter und wählen Sie ein Dichtungsmaterial aus. The calculator takes all relevant parameters into account like: O-Ring squeeze. Please use the following guidelines when cutting an iron piston ring groove. dash number appears to the right of the inside diameter (ID), and below the nominal cross section (CS). O-Ring Groove design plays an important part in how an o-ring 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 . Learn More > Contact. One butyl compound has been tested in face-type O-ring seals, using grooves that provide 15%, 30%, and 50% squeeze. 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 . 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. Due to their unique four-lobed geometry, grooves for Quattro Seals are different than those for O-Rings.