In order to assure size accuracy, make sure that page scaling is set to none prior to printing this document. This new version has more orings illustrated, including precision associates own extended standards. The oring should be installed in a groove in the body, the depth of the groove should be such that the oring projects a little above the groove. That document, published by the society of automotive engineers sae, lists the sizes of o. Inch dimensions metric dimensions mm oring manufacturers, including precision associates, traditionally publish o ring tooling lists in order by inside diameter id.
Standard usa o rings sizes dimensions per as568 although tolerances var y by use. Table 24, which lists the approximate rate of linear thermal expansion for typical elastomers and other materials, may be utilized to calculate compensated gland dimensions. When the shaft or the rod is mounted, the o ring will be compressed by 1015%, so that an effective amount of sealing will be obtained. Parco o rings are available in a wide range of standard and nonstandard sizes that are suitable for nearly all sealing applications. Place oring into hot water for 10 minutes then, using the cone, press quickly and evenly until the ring snaps into the groove figure 3 if necessary, compress the ring to original dimensions using a second ring applying pressure here design information dimensions crosssection thickness of 1. When the shaft or the rod is mounted, the oring will be compressed by 1015%, so that an effective amount of sealing will be obtained.
These oring sizes correspond to us standard as568, british standard, swedish, as well as many common metric sizes according to. O rings are the most widely recognised seal and are commonly found in many different applications. We debut our latest innovation with this publication 532 nominal cross section orings. These oring sizes correspond to us standard as568, british standard, swedish, as well as many common metric sizes according to din and iso standards. Applications, ranging from garden hose couplings to aerospace or oil and gas duties, make it the worlds most popular volumeproduced seal. Oring component generator creates seals and grooves on cylinders and flat surfaces axial seals. The design table 1 will also give the recommended cross section dimensions for the double chamfer or dring. Engineers guide for orings precision associates, inc. Oring handbook parker hannifin o ring division europe. This as568 o ring chart is a sae size standard for o rings and shows as568 rev b or as568b o ring sizes which supersedes as568 rev a or as568a o ring dimensions. Due to continual industrial development, the required standards for sealing technologies in general as well as those in the compression packing sector have increased accordingly. Standard usa orings sizes dimensions per as568 although tolerances var y by use.
Metric orings and custom size orings are often used when a standard oring size will not fit an application or existing hardware. Conversely, for operation only at low temperature, a better seal may result by reducing the gland depth, thereby obtaining the proper squeeze on the contracted oring. Parker oring handbook 5500tthh aanniversarynniversary eeditiondition since its initial release in 1957, the parker oring handbook has become a. The o ring should be installed in a groove in the body, the depth of the groove should be such that the o ring projects a little above the groove. The standard sizes used by o ring manufacturers in the united states are defined by aerospace standard as568b, aerospace size standard for o rings. An o ring, also known as a packing or a toric joint, is a mechanical gasket in the shape of a torus. Metric o ring size and standard sizes chart pdf o ring standard size as 568a o ring standard size bs 4518 o ring standard size gbt 3452. Iso237482016 aerospace series oring grooves dimensionsiso 23748. This creates a boundary to keep fluids in and contaminants out. O rings offer many benefits to designers, engineers, maintenance staff and plant. Aerospace standard 568 dash number, comparison properties chart, ptfe encapsulated o rings, material shelf life, and o ring groove design chart.
You may do so in any reasonable manner, but not in any. Approximate dimensions of standard flanged triclamp style gaskets od id. The tables in the oring size chart list approximately 2000 oring sizes in order by inside diameter. Orings manufactured out of compounds with different shrinkage rates other than an will produce slightly different dimensions and tolerances. Fullsize representations of our standard size orings are displayed. All books are in clear copy here, and all files are secure so dont worry about it. Also typical is the separation of standard orings from special sizes. Our most common types are rubber o rings which are available in various compounds to suit your application. Sae j 5152015 sae j5152015 specification for oring materials used with hydraulic connectors. Metric o rings and custom size o rings are often used when a standard o ring size will not fit an application or existing hardware. Valin, parker, seallok, oring, face, seal, tube, fittings, captive, oring, sleeve, nut, body created date. Parker oring handbook parker series 3xxx oring sizes these orings are intended for use with internal straight thread. Email this page download pdf download pdf printable page.
If you need to know how to size an oring, consider starting with these as568 oring sizes so you will not have to purchase custom oring sizes which can be more costly. Sae j19261 sae straight thread oring port iso 119261. Oring component generator inventor autodesk knowledge. Threado ring fittings tdw threado ring fittings are used for blowdown of the isolated pipe section following a double stopple operation. These sizes are designated by dash numbers shown on the 568 dash chart and are standardized by imperial dimensions. These o ring sizes correspond to us standard as568, british standard, swedish, as well as many common metric sizes according to. These dimensions are intended primarily for face type seals and low temperature applications. Dichtomatik o ring handbook o ring gland design guidelines 2 o ring seal types gland dimension calculations o ring dimensions selecting an o ringcrosssection idod interference reduction incrosssection compression squeeze and compression ratio gland fill extrusion backup rings additional groove details installation.
O ring manufacturers, including precision associates, traditionally publish o ring tooling lists in order by inside diameter id. The proper oring size is a fundamental aspect of proper oring performance. The original formats of the printed catalog and searchable pdf will still remain available via parkers catalog services and the oring division website. This file is licensed under the creative commons attribution 2. The oring ehandbook will provide visual learning, interesting excerpts. Inside diameter tolerance cross section tolerance inside diameter tolerance cross section tolerance 001 0. Dimensions and pressures for reference only, subject to change.
Approximate dimensions of standard triclamp style gaskets. Standard orings are specified by their inside diameter and cross section width. The o ring may be used in static applications or in dynamic. Our most common types are rubber orings which are available in various compounds to suit your application. Peroxidecured other common variations hydrin is the trade name of epichlorohydrin elastomers made by zeon chemicals. Popular oring size standards include usas as568 oring size chart, the uks bs 1806 oring sizing chart, and japans jis b 2401 oring size list. O ring component generator creates seals and grooves on cylinders and flat surfaces axial seals.
The standard sizes used by oring manufacturers in the united states are defined by aerospace standard as568b, aerospace size standard for orings. Thousands of nonstandard 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. After printing, verify that size is correct by chec king scale on printed page. Sae j515 covers the specification for hydraulic oring material and properties and sizes applicable to face seal fittings, metric and inch stud ends, and fourbolt flange fittings. Oring size chart, as568 oring chart, as568 oring sizes. Also typical is the separation of standard o rings from special sizes. Sae j19261 sae straight thread oring port iso 119261 conforms to ms16142. Oring guide parker hannifin prdifa technology division contents contents parker. But despite the wide range of oring sizes, every oring has the same two dimensions. That document, published by the society of automotive engineers sae, lists the sizes of o rings in six series or groups in both inches and millimeters. Jun 16, 2016 the oring ehandbook is expected to bridge the generation gap, filling the need for all learning and reference styles.
For more information on shrinkage rates, see parker oring handbook ord 5700. Ununf threads table u18 port detail sae j19261 iso 119261 1 nominal tube od is shown for the standard inch sizes and the conversion to equivalent millimeter sizes. If you need to know how to size an o ring, consider starting with these as568 o ring sizes so you will not have to purchase custom o ring sizes which can be more costly. Dichtomatik oring handbook oring gland design guidelines 2 oring seal types gland dimension calculations oring dimensions selecting an oringcrosssection idod interference reduction incrosssection compression squeeze and compression ratio gland fill extrusion backup rings additional groove details installation. Information from its description page there is shown below. If you insert seals on cylindrical surfaces, precise diameters are required for the rod and the bore. Standard usa orings sizes oring suppliers kalrez, viton. It is not possible to insert o rings on noncircular cylinders or custom groove paths for axial seals. Parker oring handbook goes digital oring ehandbook. This as568 oring chart is a sae size standard for orings and shows as568 rev b or as568b oring sizes which supersedes as568 rev a or as568a oring dimensions.
This chart following shows some elastomer comparisons with regard to compression set resistance. Oring size charts metric orings standard size orings. This book contains extensive information about the properties of basic sealing elastomers, as well as examples of typical. Product data sheet 0081004801, rev ga rosemount 3051s series catalog 20062007 30 l818 astm a 193, class 2, grade b8m bolts. It is not possible to insert orings on noncircular cylinders or custom groove paths for axial seals. Until now, oring standards have left a gap between. The tables in the o ring size chart list approximately 2000 o ring sizes in order by inside diameter. An oring, also known as a packing or a toric joint, is a mechanical gasket in the shape of a torus. The o ring generator inserts an o ring in a groove. These oring sizes correspond to us standard as568, british standard bs1806, bs4518, swedish sms 1586, french afnor 47501, japanese jis b2401, as well as many common metric sizes according to din 3771 and iso 36011 standards.
Gland dimensions industrial static seals refer to design table below for dimension w w w. The design table 1 will also give the recommended cross section dimensions for the double chamfer or d ring. The oring ehandbook is expected to bridge the generation gap, filling the need for all learning and reference styles. Garlock compression packing one of the oldest sealing methods is the use of braided fibers. Conversely, for operation only at low temperature, a better seal may result by reducing the gland depth, thereby obtaining the proper squeeze on the contracted o ring. Automatic zoom actual size page fit page width 50% 75% 100% 125% 150% 200% 300% 400% more information.
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