The chamfers facilitate assembly and protect the Oring from damage during the installation process The Oring and all surrounding parts should be well lubricated before assembly, preferably with the same fluid as used in the hydraulic system, ensuring compatibility with seals and cylinder components Extrusion gaps and backup ringsThe ERIKS Oring design calculator features the calculation of • oring dimensions for the use in a specific groove • groove dimensions for the use of a specific oring • evaluation of both, any combination of oring and groove for axial seals with inner or outer pressure, piston seals and rod sealsBe it dynamic or static operation, radial or axial loading, vacuum or high pressure The following information is a guide for o'ring
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O-ring face seal design guide
O-ring face seal design guide-ORing Design Guide ORing Design Guide Introduction Introduction ISO 9001 Registered QMS Seal Kits After Hours Service In 1990, HiTech Seals was founded in Edmonton, Alberta Since then, our company expanded to six locations across Canada and one location in the United States We are an industrial seal, gasket, rubber and plastic component distributor and manufacturerSeal assembly consists of an elastomer Oring and a gland An Oring is a circular crosssection ring molded from rubber (Figure 11) The gland — usually cut into metal or another rigid material — contains and supports the Oring (Figures 12 and 13) The combination of these two elements;
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A static Oring is any oring designed to contact with two or more surfaces that do not move relative to one another, whereas a dynamic Oring is one that helps form a seal between moving parts On the whole, static orings are created from less robust and hardwearing materials than their dynamic equivalentsUsing either the QuadRing® Brand seal table or the ORing table, select the recommended gland depth for a static or dynamic application Percent Gland Fill Determine the maximum percent gland fill If the gland fill exceeds 100%, the groove will have to be redesigned A good "ruleofthumb" is to not exceed about 90% gland fillSection 2—ORing Gland Design Guidelines Section Two covers basic oring seal design guidelines for male gland, female gland and face oring seals This section should serve as an excellent starting point for adding an oring seal to an application Section 3—Global ORing Size Reference Guide
For optimum sealing performance, correct Oring selection is the direct result of a number of design considerations These considerations include size, squeeze, stretch, chemical compatibility, and the ability to resist pressure, temperature, and frictionA perfectly designed Oring seal is of little use if the Oring is damaged during installation To prevent installation damage for pistontype and rodtype seals, we recommend a 15° chamfer on the bore or rod The Radius Containing Surface Break Edge Sealing Surface Wall Angle Sealing Surface AS568 ORing CS Chamfer Length Series Inches mmThe engineering design guides developed by Ace Seal are intended to provide assistance with gland design static axial applications These developmental design guides make it easier for the user to install and manipulate Orings with a standard axial squeeze gland design Contact Ace Seal
One seal face is fixed and sealed statically using an Oring or cup gasket The other is springloaded and requires a semidynamic seal to accommodate some axial play, such as a dynamic Oring in pushertype mechanical face seals or elastomeric bellows in nonpusher onesOring seal The tables at the right and the diagram below provide the recommended gland design parameters In addition, the gland surfaces must be free from all machining irregularities, and the gland edges should be smooth and true and free of nicks, scratches, and burrs A perfectly designed Oring seal is of little use if the Oring'O' Ring Guide Introduction The 'O' ring, or toroidal seal, is an exceptionally versatile sealing device Applications, ranging from garden hose couplings to aerospace or oil and gas duties, make it the world's most popular volumeproduced seal 'O' rings offer many benefits to designers, engineers, maintenance staff and plant
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FastDashTM Oring Piston Seal Design Guide Enter the "A" diameter (ie bore diameter), Press the "Submit" button, The appropriate dash no orings will beDesign Guidelines for Axial Seals ORing design for axial seals is similar to that for radial seals, with the important points summarized below The ORing must be compressed by a predetermined amount, and this compression determines the ORing crosssection diameter The ORing inner diameter is typically chosen to be close to the groove'sThe squeeze or rate of compression is a major consideration in Oring seal design Elastomers may take up the stackup of tolerances of the unit and its memory maintains a sealed condition Orings with smaller cross sections are squeezed by a higher percentage to overcome the relatively higher groove dimension tolerances 3
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• Select a different Oring hardness • Select a different Oring material with improved coefficient of friction • Increase the groove depth • Consider the use of an alternate design of seal • Viton® has much lower friction than NBR or EPDM or Silicone • Check to ensure squeeze is within the recommended rangeRotary ORing Seal Gland Click image above to see design charge, table and guide 54 An Oring has proved to be a practical rotary shaft seal in many applications With the correct design, Parker ORing rotary seal compound N, will provide satisfactory service at surface speeds up to 1500 feet per minuteDESIGN DIMENSIONS FOR ORING INSTALLATION Orings are normally used as seals in several ways, and dimensions of the groove or gland will also vary with the cross section of the ring, the type of operation, and the amount of pressure used in the system These dimensions will also be different if the Oring is sealing a liquid which has a low volume
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METRIC ORING GROOVE DESIGN Contact Us For Assistance Or Samples Click Here and contact us today to receive a free quote or if you have any questions regarding sizing × Dismiss alert Metric oring groove dimensions are listed for the most common metric cross sections with and without backup rings We have included Static, dynamic,Seal gland type, sealing application (fluid, solid gasOring and gland — constitute the classic Oring seal assembly Groove Bore
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STANDARD AS568B ORING GROOVE DESIGN The three main types of standard groove designs are Industrial Static, also called Radial, Industrial Reciprocating, also called Dynamic, and Face Seals also called Axial or Flange Radial and Dynamic seals require the presence of a diametrical clearance gap for installationOring face seal diameter dimensions (left) and groove dimensions (right) Parker's handbook again comes to the rescue for designing this seal The cover needs to have a 45 degree chamfer in which the oring will sit, and the gland height/width is given by variable L The height/width is dependent on the thickness of oring you are usingGroove design guide for static oring face seals provides default recommendations on width, depth, diameter and more for basic applications Oring face seals are used in a variety of applications, including bolted flanges or removable lids Simple selection tool to
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