Save time calculating and designing o ring grooves and. Eriks oring groove calculator features the calculation of. These developmental design guides make it easier for the user to install and manipulate orings with a standard axial squeeze gland design. If an oring is close to extrusion because of unavoidable material softnessflexibility, pressure, or clearance gap, an effective fix is a backup ring on one or both sides of the oring. These developmental design guides make it easier for the user to install and manipulate o rings with a standard axial squeeze gland design. By simply entering installation specifications for an application, it recommends oring sizes, housing layout and corresponding part. Oring technical handbook as your valueadded partner, eriks offers the technical expertise to provide customized solutions to your seal requirements. Used to prevent the o rings from falling out of the glands. Additionally, the o ring volume should not exceed 90% of the minimum gland void to allow the o ring to deform. Metric o ring groove designs vary greatly and choosing the right one for your application is important for maximum o ring performance. Parkers calculators not only address standard oring sizes, but allow users to custom design oring glands and seals specifically for their application. As a leading hose supplier offering a highquality range of hoses, couplings and compensators, eriks is able to advise the customer in detail and offer the best possible pricequality ratio. Dynamic oring sealing dynamic oring glands parkeroringhandbook.
The online oring calculator offers engineers and professionals a quick and easy way to calculate oring dimensions and the appropriate housing layout in accordance with the international oring standard iso 3601. Static axial engineering design guide ace seals gland. An o ring can perform sealing by means of squeeze under low pressure conditions. Top sites apple o ring design guide 2019 latest apple o.
Eriks nv oring technical handbook oring gland design. So far on this blog weve discussed oring sizes, the materials theyre made from, and the ways in which they can be used. Flange seal radial seal dovetail seal boss seal crush seal. Additionally, the oring volume should not exceed 90% of the minimum gland void to allow the oring to deform. Gland design for kalrez orings compression set compression set is essentially a measure of a seals ability to retain sealing force and, therefore, the capability to. O ring eriks has developed an entire series of compounds that satisfy various international standars for contact with foods and pharmaceuticals. The o ring is compressed in the radial direction when seated in the gland. The eriks o ring manual is intended as a guide to assist in the selection of the best o ring out of the correct rubber compound in the right application for engineers, pur. When designing grooves for static axial seals, the first consideration is whether the. Otherwise many bad things will happen to your design. For more information on the oring groove calculator or other products please visit our contact page or fill the ask eriks form on the upperright corner. Both are interlinked, thus ensuring the best possible combination of the calculated oring size and material choice. Gland design should also be checked to ensure the oring is not overcompressed with too much squeeze applied.
Sufficient lateral room is required in the gland slot to accommodate the backup rings as well as the oring. As568b standard o ring groove design contact us for assistance or samples 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. Dynamic applications, due to the motion against the oring, are more. In order for the oring to be compressed when in the gland, its crosssection diameter cs must be greater than the total effective depth of the. The oring is compressed in the radial direction when seated in the gland.
Dovetail groove engineering design guide custom oring. Select a standard oring based upon dimensions measured from a sample. Please contact the local eriks representative if an application does not clearly fall into these design parameters. By simply entering installation specifications for an application, it recommends o ring sizes, housing layout and corresponding part. Gland design o rings and rubber parts supplier techno ad.
This metric oring groove design reference guide will help you find the right radius, backup, pressure and other oring dimensions for basic applications. The dimensions of the groove can be calculated by the eriks oring calculator. This metric o ring groove design reference guide will help you find the right radius, backup, pressure and other o ring dimensions for basic applications. Sufficient lateral room is required in the gland slot to accommodate the backup rings as well as the o ring. The calculation is based on the application temperature, compressions. Oring selector wikid, the industrial design engineering wiki. Generally, an oring design should maintain a 1040% squeeze for static applications, and no more than 30% for dynamic. Save time calculating and designing oring grooves and.
The extent of extrusion depends upon the hardness of o ring, the pressure, and the size of the clearance gap. G gland design for encapsulated teflex orings 151 12. Gland depth x groove width area of the gland must be larger than the cross section area of the o ring pi x r2. If you need to know the weight of your o ring, you can use our o ring calculator. Used to prevent the orings from falling out of the glands. Nov 10, 2015 so far on this blog weve discussed oring sizes, the materials theyre made from, and the ways in which they can be used. The subsequent series production may differ in terms of production tech. In order for the o ring to be compressed when in the gland, its crosssection diameter cs must be greater than the total effective depth of the. Select a standard o ring based upon dimensions measured from a sample.
The plug diameter h for an oring must be figured using the minimum clearance gap as given in figure 20 and the maximum clearance gap as shown in figure 22. After you have verified your nominal oring size functionality within your assembly, specify design your oring groovegland. The groove design allows the o ring to be retained in the face seal during assembly and maintenance. Choose between over 30 construction part materials and 11 oring compounds. O ring weight calculator tool o ring weight calculator tool. An oring is contained in a gland and forced to flow into the surface imperfections of the glands and any clearance gaps available to it. For example, if your orings crosssectional diameter is 1. Squeeze inches oring cross section diameter in inches gland depth. Gland design special considerations, part 2 in addition to compression, the stretch applied to orings in service either to keep the oring in the gland during assembly or service, or to aid in the installation can have an impact on the sealing performance. Eriks also produces to fda specifiecations in small quantities in over 20 compounds to 5000 mm in diamemter. The plug diameter can also be calculated by subtracting the minimum gap from the minimum bore giving the maximum plug diameter. The engineering design guides developed by ace seal are intended to provide assistance with gland design static axial applications.
Dynamic oring sealing dynamic oring glands parkero. Eriks seal shop enables you to buy many standard items such as bs1806, bs4518 and iso3601 o rings and oil seals from eriks sealing technology. This sae aerospace standard as provides standardized gland groove design criteria and dimensions for elastomeric seal glands for static and dynamic applications. Eriks seals and plastics custom molded elastomers, orings. Eriks o ring technical handbook by eriks nederland issuu. The eriks oring manual is intended as a guide to assist in the selection of the best oring out of the correct rubber compound in the right application for engineers, pur. The glands have been specifically designed for applications using sae as568 size orings, with related class 2 tolerances, at pressur. O ring technical handbook as your valueadded partner, eriks offers the technical expertise to provide customized solutions to your seal requirements. Static applications there are five types of static oring applications. Male gland female gland 12 e o ring gland design for eciprocating seals w i. An oring can perform sealing by means of squeeze under low pressure conditions. Save time calculating and designing oring grooves and verify the oring sealing performance by checking parameters like oring compression, free groove volume, oring inner diameter stretch and even much more. Dovetail glands are used in static or slow moving dynamic applications, and require strict tolerances that are difficult to control. Cold set can be reduced by using a more flexible polymer structure, this would be reflected in a lower glass transition temperature.
The online o ring calculator offers engineers and professionals a quick and easy way to calculate o ring dimensions and the appropriate housing layout in accordance with the international o ring standard iso 3601. If you need to know the weight of your oring, you can use our oring calculator. Reference charts for designing the right oring groove dimensions for optimal oring performance, then order orings online from the worlds largest oring inventory network. The groove design allows the oring to be retained in the face seal during assembly and maintenance.
Eriks seal shop enables you to buy many standard items such as bs1806, bs4518 and iso3601 orings and oil seals from eriks sealing technology. An o ring is contained in a gland and forced to flow into the surface imperfections of the glands and any clearance gaps available to it. Because of our technical experience, special applications are no problem for eriks. An oring must be squeezed and stretched for proper functionality. The extent of extrusion depends upon the hardness of o. Design chart 52 for industrial reciprocating oring packing glands piston gland rod gland b1 piston groove dia. Reciprocating seal oscillating seal rotating seal application in reciprocating and oscillating motions groove dimensions for reciprocating and oscillating applications are the same. Oring installation design and specification for dynamic.
Oring guide parker hannifin prdifa technology division parker. Dovetail o ring gland design in dovetail applications the o ring is squeezed primarily in an axial direction, with a valve exerting force on the top and bottom of the o ring sealing surfaces. Generally, an o ring design should maintain a 1040% squeeze for static applications, and no more than 30% for dynamic. Hence, one can think of the o ring crosssection as being pinched between the bore diameter b d and the groove diameter g d. Both are interlinked, thus ensuring the best possible combination of the. Eriks standard orings and load them also into your created design. Dovetail oring gland design in dovetail applications the oring is squeezed primarily in an axial direction, with a valve exerting force on the top and bottom of the oring sealing surfaces.
Squeeze inches o ring cross section diameter in inches gland depth. As your valueadded partner, eriks offers the technical expertise to provide customized solutions to your seal requirements. Metric oring groove designs vary greatly and choosing the right one for your application is important for maximum oring performance. Oring groove design guides for face seal flange, dovetail flange, static cylinder and piston, and dynamic cylinder and piston designs. The eriks oring design calculator features the calculation of. In this post, well talk about the common types of oring applications, and their impact on oring sizing and hardware design. The following pages contain basic oring gland design information. We provide our customers with the unique combination of product and material expertise combined with efficient, customized logistics. Orings available to buy online from eriks sealing technology uk. Select a standard o ring and groove based upon a driving diameter. As568b standard oring groove design contact us for assistance or samples 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.
Oring eriks has developed an entire series of compounds that satisfy various international standars for contact with foods and pharmaceuticals. The oring is used for sealing straight thread tube fittings in a boss. The oring selector covers both imperial and metric standards. From the chart below, identify your nominal o ring desired size, then your o ring gland depth requirements. After you have verified your nominal o ring size functionality within your assembly, specify design your o ring groove gland. Register on the site to take part in the various services we have to offer you. This is beneficial for special applications where the o ring has to be fixed by the groove e.
Eriks eriks the oring has become the worlds most popular and versatile seal due to its simple shape, low space requirements and its availability in a vast selection of sizes and compounds to meet every industrial requirement. This groove design is relatively uncommon as it is expensive to machine and should not be used unless absolutely required. Oring design, static seal designs and gland dimensions. As well as the chemical volume swell or shrinkage of the oring. Oring weight calculator tool oring weight calculator tool. This is beneficial for special applications where the oring has to be fixed by the groove e. Eriks technical manual oring gland design information.
Once you find the exact metric oring you need, you can. For more information on the oring groove calculator or other products please visit our contact page or. An o ring must be squeezed and stretched for proper functionality. If an o ring is close to extrusion because of unavoidable material softnessflexibility, pressure, or clearance gap, an effective fix is a backup ring on one or both sides of the o ring. Dovetail face seal oring gland design default chart. American society for testing and materials astm d2000 line callouts.
Eriks seals and plastics is a leading technical resource for seals, engineered plastics and bearings required for demanding applications. Types of oring applications gallagher fluid seals, inc. Parker recommends utilizing our design tools mobile inphorm and the oring selector design software to guide the user through the design and selection of an oring and corresponding seal gland. Make sure the squeeze % is sufficiently high enough to seal, but low enough to allow dynamic movements. The eriks oring manual is intended as a guide to assist in the selection of the best oring out of the correct. Parker recommends utilizing our design tools mobile inphorm and the oring selectordesign software to guide the user through the design and selection of an oring and corresponding seal gland. Oring gland design dynamic applications there are three types of dynamic applications. Find your orings squeeze amount in inches by subtracting the gland depth from crosssectional diameter with a calculator. Hence, one can think of the oring crosssection as being pinched between the bore diameter b d and the groove diameter g d. From the chart below, identify your nominal oring desired size, then your oring gland depth requirements. Dovetail face seal o ring gland design default chart.
253 937 1269 18 1419 51 579 81 128 257 84 846 1143 1006 738 480 823 298 321 964 397 720 950 1279 122 1408 657 249 1176 451 819 514 730 172 844 302 293 516 638 99 931 465 1182 26 959