SPEAKER NOTES. Introduction

O-ring Groove Design in 3 easy steps: Step 1 Choose whether you are working with existing hardware or designing new hardware. Select the type of O-ring groove - piston, rod, face seal or trapped seal. If the O-ring size required is known, simply select the AS, BS or ISO standard (such as AS568) and enter the dash size reference.

O-ring groove design guides offer default dimensional guidance on the most basic o-ring groove design applications. The best o-rings are useless without the right groove design which becomes increasingly important the more demanding the application environment. Review the general o-ring groove design considerations before moving onto the

O-ring installation dimension Please choose the particular value/measurement in the according box. You can choose either a special cross section, groove depth or groove width. All other parameters will be generated automatically. cord diameter d 2 Piston seals static dynamic Rod seals static dynamic Flange seals All data in millimetre.

After selecting a material that fits your sealing application, you can continue by having the Size Selector calculate the O-ring dimensions and tolerances, considering even thermal expansion

1.2 What is an O-Ring Seal? An O-ring seal is used to prevent the loss of a fluid or gas. The seal assembly consists of an elastomer O-ring and a gland. An O-ring is a circular cross-section ring molded from rubber (Figure 1-1). The gland — usually cut into metal or another rigid material — contains and supports the O-ring (Figures 1-2 and

If you are designing a face seal, select the O-Ring with an inside diameter which will position the O-Ring on the side of the groove opposite the pressure. Click here for more information on face seal groove design. Note the O-Ring inside diameter for the next step. Calculate the Seal Stretch. Using Equation 1, calculate the installed seal stretch.

In the gland seal the groove for the o-ring is machined into the bore formulas for calculating these gland dimensions for male gland, 

The O-Ring Store LLC : Metric O-Ring Groove Sizes - O-Ring Cord Stock OSK™ Assorted O-Ring Kits OSK™ O-Ring Repair Kits OSK™ Hydraulic Cylinder Seal Kits OSK™ Air Nailer O-Ring Kits O-Ring Lubrication Products Olypsys™ for O-Rings AS568 Standard O-Rings (Inch) Metric O-Rings - Standard and ISO 3601 OSK Pool, Spa & Pump O-rings Hydraulic Seals - Inch O-Ring Glue & Thread Sealant

squeeze on O-Ring cross section, —+ Maximum groove depth can vary from Nominal (.006") —Y Maximum distortion and flex between sealing surfaces —¥ total squeeze reduction (.006" + .007") Calculate minimum squeeze needed on O-Ring. Use value from

Metric o-ring groove dimensions are listed for the most common metric cross sections with and without backup rings. We have included Static, dynamic, and pneumatic applications. Use our o-ring size chart and calculator to find the AS568 or metric sizing of standard size HNBR, Viton, and other o-rings. Go to Navigation Go to Content.