The most common design of mechanical face seals is the oring design This design consists of two symmetrically tapered seal rings and two orings The oring style has two versions, the 7690H which has a ground profile, and the 7697 which has an ascast profile In general, both versions are completely interchangeableAn Oring seal is used to prevent the loss of a fl uid or gas The seal assembly consists of an elastomer OOf the Oring between the piston and cylinder or shaft and groove, up to 5,000 psi using 90 durometer compound ROTATING SEALS (Design Chart 5) Rotating seals should be limited to shafts having the following maximum rotational speed Shaft Diameter 125 280 – 350 ft/min Shaft Diameter 281 625 – 400 ft/min
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O-ring face seal gland design-7 rows Click here for more information on face seal groove design Note the ORing inside diameter for the next step Calculate the Seal Stretch Using Equation 1, calculate the installed seal stretch If the installed seal stretch is greater than about 3%, you may have to select the next larger ORing or require a custom ORing for your applicationThe Beswick captured oring face seal design eliminates leakage, simplifies assembly, eliminates the need for sealants, and reduces the incidence of loose fitting connections Needless to say, the Beswick captured oring face seal design has become the "gold standard" in the industry
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Pushing the Boundaries of Seal Design for 50 Years Over the last 50 years, Apple Rubber has pushed the boundaries of rubber seal design 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 oring at a timeLastly, the fourth table is for dovetail groove design These oring groove design guides offer default dimensional guidance for basic oring groove design applications Flange/Face Seal A flange or face seal is static and will not have a gap between surfaces, eliminating any design issues associated with extrusion This is the mostFinishes are RMS values (Refer to Design Chart 43 below) Break Corners Approx 005 RAD X W W ID 0° to 5°* (Typ)005 Max003 Max Section WW ORing Face Seal Glands These dimensions are intended primarily for face type Oring seals and low temperature applications ORing Size Parker No 2 W Cross Section Nominal Actual L Gland Depth
Face Type Seals The face seal design chart below explains the hardware dimensions to use for an Oring seal when the groove is cut into a flat surface For designing systems which contain internal pressure, like the example below, the groove's outside diameter (OD) is primary, and the groove's width then determines the inside diameterDOVETAIL ORING GROOVE DESIGN Dovetail grooves are used to hold the Oring inplace on a face seal groove during during assembly and maintenance of equipment An undercut or dovetail groove has proven beneficial in many applications to keep the oring in place This is an expensive groove to machine, however, and thus should be usedStatic oring face seals, used for a wide variety of applications, come in many shapes and forms Whether you need bolted flanges or removable lids, this oring face seal groove design guide will help you choose the right oring for your application ORing Size Charts Oring, xring and square ring size charts
Oring in the smallest possible groove (ie, at the hardware and Oring tolerance stackup) and the smallest possible Oring in the largest possible groove ORing Gland Types and Nomenclature Most static Oring seals can be classified into one of the three arrangements shown below The variable names PistonType Seal FaceType Seal RodTypeORing Groove Design for Face Seals Basic Application Groove Design Reference Charts Expert Application Engineer Support Download PDF These type of glands are used for a variety of applications, bolted flanges or removable lids Try our new Online Oring StoreDovetail grooves are used to hold the Oring inplace on a face seal groove during during assembly and maintenance of equipment An undercut or dovetail groove has proven beneficial in many applications to keep the oring in place However, this is an expensive groove to machine, and thus should be used only when absolutely necessary
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Rubber Seals, Sealing Devices & ORing Seal Design Apple A good seal design will provide more gland void than seal volume The maximum seal volume should not exceed 90% of the minimum gland void for static axial face seal applications A recommended solution for retaining the oring is a dovetail glandSeal gland type, sealing application (fluid, solid gas
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1 Introduction How To Use This Design Guide Scenario 2 Standard Oring Groove Available Please follow the steps below to determine the appropriate double chamfer seal or Dring design (1) In Design Table 1, match the Oring 2 series (0, 300, or 400) with the existing groove and ensure the existingAS568B STANDARD ORING GROOVE DESIGN Contact Us For Assistance Or Samples Click Here and contact us today to receive a quote or if you have any questions regarding sizing × Dismiss alert The three main types of standard groove designs are Industrial Static also called Radial, Industrial Reciprocating also called Dynamic, and Face Seals alsoThe oring seal design process begins with understanding the gland type in which the seal will be seated To ensure the oring fits properly it is recommended that the oring is stretched 1 to 5% circumferential, with ideal stretch at 2% Further considerations listed below include;
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Cal drive belts More information, including design criteria on Oring drive belts and their application will be found in ORing Applications, Section III 12 What is an ORing Seal?For a face seal, use the clearance determined in Step 2 and read its value directly from the graph Calculate the seal groove dimensions Using either the QuadRing® Brand table or the ORing table, determine the groove width "D" for the seal crosssection size you have selected Determine the seal groove diameter as described in the
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