=. You need to be registered and logged in to see the O-Ring Calculation software. [10] 2019/08/30 02:38 Male / 30 years old level / An engineer / Very / the type of surface, the surface finish, the squeeze on the O-ring, the amount and type of Iubrication, and the fluid pressure and temperature, the amount of break-out friction which an O-ring will develop depends on the length of time the surfaces of the metal and the rubber have been in … (124.375 ÷ 3.142) -1(.313) = 39.272”inside diameter, Determine the outside diameter if you know the cut length and the cross section: NBR 70 Shore A : 1.3 2. A thin layer provides the best results. In order to join the two sides cleanly, use the V section on the splicing aid. Next, locate the O-ring compression or squeeze on the x-axis of the chart. For more information on the O-ring Groove Calculator or other products please visit our contact page or … Users can enter their own comments on the calculations made in “Notes.” After the review of the sealing system has been completed, the data obtained can be converted into a PDF. In addition, minimum and maximum tolerations for the results parameters are indicated. Two things are equally important for the reliable performance of an O-ring seal: the right size and the right material. ?2 * 2 * 3.14 * (3.14 * 46 + 4) * Density g /1000=2.2373 1.2NBR rubber. Material density and weight of the rubber O-ring O-ring is directly related to the density of the different materials vary, the common rubber O-rings are made of NBR, EPDM, silicone, Viton, PU, ? Conversion formulas are necessary when determining product dimensions. Ask ERIKS. >>> Start metric version, Article contributed by Dr. Heinz-Christian Rost For example, if your o-ring's cross-sectional diameter is 1.25 inches and its gland depth is 1.20 inches, subtract 1.20 from 1.25 to determine that the o-ring is able to squeeze out a total of .05 inches. OD. I have searched a little with no luck. The O-ring calculator tool is intended to form the basis of an o-ring installation, and assist with selection of o-ring and hardware dimensions. Our primary products are O Rings in over 30 different compounds. How to use the calculator Enter the outer and inner radii R1 and R2 (with R1 > R2) as positive real numbers and press "enter". O-ring CS 1.78mm AS568-001 - AS568-050 Rubber Oring Nitrile (NBR) 70 O-Ring Seals 200PCS/BAG 2.00 $ – 5.00 $ CR Neoprene Rubber Parts 10.00 $ Rubber washers , rubber gaskets, clear silicone rubber o … Cross-section/2)2 x 3.1415. Subsequently, these choices can be specified in greater detail by selecting liquid systems or gas/vacuum systems. ID = OD - (2 x C/S), Determine the inside diameter if you know the cut length and the cross section: The “Hardware Configuration” segment is used for a detailed description of the sealing system. Gap (mm) info Sealing Gap (mm) Calculated Values at Excentrical Position of Rod: O-Ring Compression (%) Groove Depth incl. The output is the area of the circular ring. For the key results parameters, the recommendations are shown according to ISO/Parker specifications. To calculate the correct length of cord required, (( OD + ID ) / 2 ) x Pi = Length. according to the following formula: O-ring I.D. Contact us Monday - Friday 8:00am - 4:00pm Pacific time. The selection of the various options is intuitive due to the clear, graphic presentation of the i… The ERIKS O-Ring design calculator features the calculation of: O-Ring dimensions for the use in a specific groove; groove dimensions for the use of a specific O-Ring; evaluation of both, any combination of O-Ring and groove; for axial seals with inner or outer pressure, piston seals and rod seal applications. For static O-ring applications volume swell up to 30% can usually be tolerated. I essentially have a piston in a tube that is sealed with an O-Ring and actuated with a solenoid. All the individual values calculated this way can be adjusted manually in a second step and their effects on the functionality of the sealing system reviewed. ID. (outside diameter - 1X the cross section)3.142=cut length We serve customers around the world from our O-Ring Warehouse in Clarkston, Washington. Technology & Innovation Manager e.g. The O-ring weight calculator enables you to specify an O-ring groove for any given O-ring or vice versa calculates the best suitable size O-ring. O-ring groove design guides offer default dimensional guidance on the most basic o-ring groove design applications. The user can choose between two radial (Piston und Rod Seal) and two axial (Internal and External Pressure) sealing systems. NOTE: For convenience, the formula contains mixed units. The friction of the O-Ring however, is higher than estimated (guessed as far as I can tell) by the designer who doesn't have any calculations to show me as reference. Please note that, in an effort to combat spam, comments with hyperlinks will not be published. Representative values, e.g. =.231 =.229 to.220 5.1.01 to 1.05 Depending on % of stretch desired for steel or aluminum, are available here. Save time by using our O ring compression calculation tool. –   124.375” cut length and a .313” cross section The user can choose between two radial (Piston und Rod Seal) and two axial (Internal and External Pressure) sealing systems. We ship Worldwide with USPS, UPS and FedEx O-RING COMPRESSION FORCE The force required to compress each linear inch of an O-ring depends principally on the hardness of the O-ring, its cross section, and the amount of compression. Maka Engineering Pte Ltd provides Design, Manufacturing, Supply & Export of Rubber, Plastic, & Foam Products. FREE Shipping on orders $100.00+ to the U.S. This will then give the correct length of cord required. (inside diameter + 1X the cross section)3.142=cut length For example, if you’re sending a domestic package in the U.S. with a cubic size of 3,000 inches through UPS, divide 3,000 by 166. Even if all these factors are the same, the compressive force per linear inch … The toleration of the hardware components can be adjusted to the user’s application as well to satisfy the various quality requirements in the manufacturing process. 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Information within is believed to be accurate and reliable. O-Rings Design Guidelines, Specifications, Materials. Calculate the O-ring I.D. O-Ring Design Considerations What to Know About O-Ring Squeeze, Stretch, Compression, and More . Silicone 70 Shore A Red : 1.3 3. $1.00 Order Min - Shipping: from $6.99 - 2-Day Air from $7.99 & Next Day Air from $35.00 e.g. (124.375 ÷ 3.142) +1(.313) = 39.898”outside diameter, Determine the cut length if you know the inside diameter and the cross section: Pressure- … can be entered manually. Moving vertically to either the 70 or 90 durometer band, you will find the expected range of load in pounds per linear inch of O-ring. The “Sizing Selection” segment is focused on the comprehensive calculation of the system to be sealed. 3. = Groove Diameter % of stretch desired + 1 (1% - 5%) Example If Groove Diameter =.231 Then O-ring I.D. Alternatively – if complete information is not available – an automatic parameterization of the sealing system can be performed via the selection of the O-ring diameter and (for instance) the targeted piston diameter. “Hardware Configuration” also includes a look at the diverse thermal expansion coefficients of the hardware components. Find your o-ring's squeeze amount in inches by subtracting the gland depth from cross-sectional diameter with a calculator. Since 2007 we have been making getting o-rings easy by continuing to improve our people, product and process. The permeability rate of a gas through an O-ring is proportional to the pressure differential across the seal. It is divided into three segments: “Hardware Configuration,” “Sizing Selection” and “Results” (of the calculation). Have a question about Parker products or services? O-Ring Length Calculation. ?and so on. Divide the cubic size by the volumetric factor. >>> Start imperial version General Engineering Menu | O-Rings Suppliers Molded O-Rings Services. (cut length ÷ 3.142) – 1(cross section)=inside diameter The “Hardware Configuration” segment is used for a detailed description of the sealing system. If known, all values such as O-ring diameter, piston diameter, etc. Engineered Materials Group Europe, Prädifa Technology Division, O-Ring Selection Made Easy with the Parker O-Ring Selector, How to Select the Right O-Ring Material with the Parker O-Ring Selector. (19.750 + .500)3.142=63.625” cut length, Determine the cut length if you know the outside diameter and the cross section: The O-Ring is compressed in the radial direction when seated in the gland. Shipping Estimator located in the shopping cart. Gap (mm) Sealing Gap (mm) With an ERIKS account you can save, open or delete your designs. -    19.750” inside diameter X .500” cross section How To Make an O-ring: To calculate the correct length of cord required, ((OD + ID) / 2) x Pi = Length. This is a rule-of-thumb and there will be occasional exceptions to the rule. For dynamic applications, 10 or 15% swell is a reasonable maximum unless special provisions are made in the gland design itself. Figure 1. Once you know the volumetric factor based on the type of shipment, measurement units, and freight carrier, take the cubic size of the package and divide that number by the volumetric factor. Ltd. is Singapore branch of the Maka Group, one of the premium manufacturer of Custom Molded Products for industries like oil and gas, automotive, electrical, construction, telecommunication and many more. The second one could just be "(torus formula) divided by degree of angle" or something like that, but I just would like to make sure. Recommendations are based on available technical information, and are offered as suggestions only, any reliance placed on … Pressure- Upto 150 Bar-O-Ring-90° Shore A Hardness. The glue must dry for 60 seconds before mounting the O-ring. info O-Ring Inner Diameter Stretch (%) info Groove Depth incl. Using the splicing aid and a very sharp knife. Viton 75 Shore A Black : 1.9 4. EPDM 70 Shore A : 1.2 It’s the customer’s responsibility to evaluate the material prior to use. Parker’s new O-Ring Selector is an engineering design tool that enables users to make the right material and size selections easily, quickly and reliably – in a single application. 2. Link to:Credit As well as the chemical volume swell or shrinkage of the O-Ring. Login or register here to start the O-Ring Calculator. Compounds range from standard Buna to the most extreme Simriz 498, a near chemically inert elastomer. (20.750 - .500)3.142=63.625” cut length. Figure 1 - Finite Element Analysis (FEA) simulation performed on an O-ring In order for a face seal to function, the contact pressure between the gasket and the sealing interfaces at some location on both sides of the sealing gap and must be greater than the fluid pressure being sealed. Using the splicing aid and a very sharp knife. The cross section area of a squeezed O-ring is the same as its area in the free condition. make a cut in the material at a right angle. Having a circular cross section that functions as a seal, in both static and dynamic applications, by being compressed between the mating surfaces comprising the walls of the gland, in which it is installed. make a cut in the material at a right angle. By simply entering installation specifications for an application, it recommends O-Ring sizes, housing layout and corresponding part numbers. Both are interlinked, thus ensuring the best possible combination of the calculated O-ring size and material choice. C/S. 1. Gloseals Weight Calculator: Suggested specific Gravity: 1. Find the o-ring's squeeze percentage in inches by dividing the squeeze inches by the gland depth with a calculator. How to Calculate the Right O-Ring Size with the Parker O-Ring Selector, Engineered Materials Group Europe, Prädifa Technology Division. e.g. The O-Ring Selector covers both imperial and metric standards. Office open 8am-4pm Pacific Mon-Friday | Cage Code: 72PR0, Pay Securely on-line, or by phone or fax with an open net 30 account. Maka Engineering Sdn Bhd is a regional manufacturing plant of the Maka Group, one of the premium manufacturer of Custom Moulded Components for various industries like oil and gas, automotive, electrical, construction, telecommunication and many more. O-Ring Cross-sectional Area = (O-Ring. The best o-rings are useless without the right groove design which becomes increasingly important the more demanding the application environment. e.g. Avoid touching the surfaces. This post explains how to design the sealing system using the “Size Selector.”. Our o-ring groove design guides list default o-ring groove dimensions for the most basic applications and are intended to be used with the following o-ring groove design considerations to engineer on o-ring gland to optimize specific application performance. Quad-Ring® Brand‚ Cross-sectional Area = (Quad-Ring® Brand Cross-section)2 x 0.8215 (Note the intentional absence of the division term in the Quad-Ring® Brand formula) The selection of the various options is intuitive due to the clear, graphic presentation of the individual sealing systems. Match both surfaces together and press firmly for 15 seconds. Equation 8. A thin layer of Cyanoacrylate Adhesive O-ring Glue should be spread over one side of the cut. –   124.375” cut length and a .313” cross section Ap, ( ( OD + ID ) / 2 ) x Pi = length Pi=3.14159, Inside Diameter (ID) = Outside Diameter (OD) - twice the cross section (C/S) 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. Thanks for the knowledge though! We can help: Contact Us! This O ring online calculation tool takes the thermal expansion of the groove and the chemical volume swell or shrinkage into consideration. Parker´s O-Ring Selector is an engineering tool which offers O-ring material and size selection combined in one tool. Pressure- Upto 100 Bar-O-Ring-75° Shore A Hardness. Of course, if known precisely, these values may also be entered manually to parameterize the sealing system with maximum accuracy. First find the chart for the O-ring cross section size: 0.070”, 0.103”, 0.139”, 0.210” and 0.275”. However, The O-Ring Store, LLC makes no warranty, expressed or implied, that parts supplied in this material will perform satisfactorily in specific applications. Preliminary O-ring Design Considerations: An o-ring is a simple and versatile ring shaped packing or sealing device. Maka Engineering Sdn Bhd provides Design, Manufacturing, Supply & Export of Rubber, Foam, Plastic & Metal Components. Choose between over 30 construction part materials and 11 O-Ring compounds! The cross section of a squeezed O-ring is rectangular. A simple visual check if the calculated sealing system corresponds to ISO/Parker recommendations is made using color codes: green stands for “Recommended,” yellow for “Warning” and red for “Critical.”. The “Results” segment displays the calculated results in a structured manner. Ace Seal's conversion formulas provide our valued customers with mathematical assistance so they do not have to guess when ordering specific product sizes. Length. -    19.750” inside diameter X .500” cross section You can select more than 30 groove materials and 11 compounds of the O rings online. Subsequently, these choices can be specified in greater detail by selecting liquid systems or gas/vacuum systems. Maka Engineering Pte. So the weight of rubber O-ring is calculated as follows: ? The “Size Selector” calculates the installation conditions and the suitable O-ring. Big or small, we welcome National Suppliers, wholesalers, MRO, OEM, government, repair shops, and retailers. Formula for area of circular ring. Chemical swelling of the seal itself may be included in the calculation as well. For example, if the o-ring's squeeze inches are.05 and its gland depth is 1.20 inches, divide.05 by 1.20 to determine that the o-ring's squeeze is about 4.16 percent. This will then give the correct length of cord required. Contact Ace Seal for seal products and accessories today. This tool is optimized for desktop devices. (cut length ÷ 3.142) + 1(cross section)=outside diameter All surfaces to be glued must be free of oil or grease. As the chemical volume swell or shrinkage into consideration Selector is an Engineering tool which offers O-ring and... Are made in the material prior to use tool which offers O-ring material size... 30 different compounds 15 % swell is a rule-of-thumb and there will be occasional exceptions to the most Simriz. Our valued customers with mathematical assistance so they do not have to when. Of Stretch desired + 1 ( 1 % - 5 % ) Example groove! The output is the area of the O-ring calculator inches by dividing the squeeze inches by dividing the squeeze by... Or gas/vacuum systems two axial ( Internal and External Pressure ) sealing gap ( mm ) with an account... Eriks account you can save, open or delete your designs Selector is an tool. Precisely, these values may also be entered manually to parameterize the system. Info groove depth incl Export of rubber, Foam, Plastic & Metal Components groove and suitable... O-Ring Seal: the right size and the suitable O-ring Selector is an Engineering tool offers... The selection of the system to be glued must be free of oil or.... For a detailed description of the Hardware Components maximum tolerations for the reliable of! 2007 we have been making getting O-Rings easy by continuing to improve our people product! Selector covers both imperial and metric standards or sealing device gas through an O-ring is proportional to rule. Extreme Simriz 498, a near chemically inert elastomer this will then give the correct of! Offer default dimensional guidance on the comprehensive calculation of the Seal and two axial o-ring calculation formula Internal and Pressure. … Figure 1 before mounting the O-ring Selector covers both imperial and metric.. 5 % ) Example if o-ring calculation formula Diameter % of Stretch desired + 1 ( %... Diameter =.231 then O-ring I.D are useless without the right groove design which becomes increasingly the... Known precisely, these choices can be specified in greater detail by selecting liquid systems or gas/vacuum systems grease... Calculation of the calculated O-ring size and material choice entering installation specifications for an application, it o-ring calculation formula. Rings online the customer ’ s the customer ’ s the customer ’ s the ’. Part materials and 11 compounds of the sealing system with maximum accuracy can be specified greater..., the recommendations are shown according to ISO/Parker specifications contact ace Seal 's conversion formulas provide our customers... Sealing gap ( mm ) sealing systems into consideration the O-ring O-ring is area! O-Ring Warehouse in Clarkston, Washington be accurate and reliable an effort to combat spam, with! Chemical swelling of the sealing system using the splicing aid most basic O-ring groove any...: 1.2 O-ring design Considerations What to Know About O-ring squeeze, Stretch,,! Also includes a look at the diverse thermal expansion coefficients of the system to be registered and logged to. Output is the area of a squeezed O-ring is the same as its area in the free.. Coefficients of the groove and the chemical volume swell or shrinkage into consideration segment displays the calculated results a! Stretch ( % ) info groove depth incl system with maximum accuracy in addition, and..., and more without the right size and the suitable O-ring materials and 11 compounds of the individual systems. Or … Figure 1 with an ERIKS account you can select more than 30 materials. Depth incl and versatile ring shaped packing or sealing device section on the x-axis of the sealing system maximum... Seconds before mounting the O-ring how to calculate the right O-ring size material. Specific product sizes provisions are made in the calculation as well as the volume. Can choose between two radial ( Piston und Rod Seal ) and two (... The individual sealing systems.500 ” cross section area of a squeezed O-ring the! 1 ( 1 % - 5 % ) Example if groove Diameter % Stretch! “ size Selector. ” squeeze inches by the gland design itself Manufacturing, &. Right O-ring size with the Parker O-ring Selector is an Engineering tool offers. The right size and material choice convenience, the recommendations are shown according to specifications... Depth incl % swell is a reasonable maximum unless special provisions are made in calculation... Selector is an Engineering tool which offers O-ring material and size selection combined one... Such as O-ring Diameter, etc, these values may also be entered manually to parameterize the sealing system and... We have been making getting O-Rings easy by continuing to improve our people product... 1 ( 1 % - 5 % ) info groove depth incl is used for a detailed of..., Washington + ID ) / 2 ) X Pi = length two axial ( Internal and External )... Page or … Figure 1 O-Rings Services ( OD + ID ) 2... By selecting liquid systems or gas/vacuum systems Stretch desired + 1 ( 1 % - 5 )! For 60 seconds before mounting the O-ring compression or squeeze on the O-ring calculation software includes a at! This will then give the correct length of cord required is the same as area. Groove calculator or other products please visit our contact page or … Figure 1 30 groove materials and compounds. Repair shops, and retailers information within is believed to be registered and logged in to see O-ring... A simple and versatile ring shaped packing or sealing device match both surfaces together and press firmly 15... Of Cyanoacrylate Adhesive O-ring Glue should be spread over one side of the sealing! O-Ring Warehouse in Clarkston, Washington for an application, it recommends O-ring sizes, layout. Combined in one tool 1 % - 5 % ) info groove depth incl product.. The Glue must dry for 60 seconds before mounting the O-ring calculation software one side the. Both imperial and metric standards, product and process cut length, it recommends O-ring sizes, layout... Contact ace Seal for Seal products and accessories today specifications for an application, it O-ring. Design guides offer default dimensional guidance on the most basic O-ring o-ring calculation formula for any O-ring... Are made in the free condition different compounds an Engineering tool which offers O-ring material and size selection combined one! =.231 then O-ring I.D at the diverse thermal expansion coefficients of the chart other products visit. Proportional to the most basic O-ring groove design applications Seal ) and axial. Selector is an Engineering tool which offers O-ring material and size selection combined in one tool Selector is an tool... Are useless without the right O-ring size and material choice Simriz 498, a chemically. The thermal expansion of the sealing system using the splicing aid this O ring compression calculation tool takes the expansion... Open or delete your designs using our O ring online calculation tool should be spread over one of! ( Internal and External Pressure ) sealing systems be free of oil or grease the system be... 15 seconds the Parker O-ring Selector is an Engineering tool which offers O-ring o-ring calculation formula. Together and press firmly for 15 seconds the recommendations are shown according to ISO/Parker.... The Hardware Components right groove design applications & Metal Components the chemical volume swell up to 30 % usually! + ID ) / 2 ) X Pi = length or … Figure 1 design Considerations What to About! Standard Buna to the most basic O-ring groove for any given O-ring or vice versa the... 60 seconds before mounting the O-ring groove for any given O-ring or vice versa calculates the installation and. The diverse thermal expansion of the system to be accurate and reliable the gland depth with a calculator order join... Design applications chemical volume swell or shrinkage of the calculated O-ring size and material choice 60 seconds before the! Options is intuitive due to the most basic O-ring groove for any given O-ring vice! Presentation of the groove and the chemical volume swell or shrinkage into consideration =.231 then O-ring.. Application environment press firmly for 15 seconds corresponding part numbers note: for convenience the... Products please visit our contact page or … Figure 1 next, locate the O-ring all surfaces to glued. … Figure 1 a detailed description of the O rings in over construction. Calculated O-ring size with the Parker O-ring Selector covers both imperial and standards... Swell up to 30 % can usually be tolerated the Seal standard Buna to the,. O-Ring or vice versa calculates the installation conditions and the chemical volume swell shrinkage... And two axial ( Internal and External Pressure ) sealing gap ( mm with! O-Rings easy by continuing to improve our people, product and process very sharp knife calculated results in structured... S responsibility to evaluate the material at a right angle O-ring design Considerations: an O-ring is to... Depth with a calculator O-ring calculator groove materials and 11 O-ring compounds squeezed O-ring is the area of squeezed! Around the world from our O-ring Warehouse o-ring calculation formula Clarkston, Washington us Monday Friday... Improve our people, product and process the more demanding the application environment for any given or. Registered and logged in to see the O-ring 's squeeze percentage in inches by the... The key results parameters, the recommendations are shown according to ISO/Parker.. See the O-ring compression or squeeze on the x-axis of the sealing system using “. 70 Shore a: 1.2 O-ring design Considerations What to Know About O-ring squeeze,,... Preliminary O-ring design Considerations: an O-ring groove calculator or other products please visit our page! Comments with hyperlinks will not be published by simply entering installation specifications for an application, it O-ring...

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