O Ring Thickness Measurement
Popular o ring size standards include usa s as568 o ring size chart the uk s bs 1806 o ring sizing chart and japan s jis b 2401 o ring size list.
O ring thickness measurement. Place the o ring on a level flat surface. The diagram shows exactly where these dimensions are to be found. Determine the inside diameter by using a ruler to measure from one inner edge to another. How to measure an o ring.
Various nations and organizations have developed o ring sizing standards that are now used worldwide. Whether your application conforms to u s japanese jis british bs or common metric sizing for o rings these o ring size charts will help you locate the right o ring size. Below are the steps to take to properly measure for a new or replacement o ring. Place the o ring on a clean flat level surface.
Metric and inch cross section thickness reference gauge. Length 3 142 cs inside diameter. To identify which as568b standard o ring size is appropriate for your application you must know the required cross sectional diameter and either the inside diameter or the outside diameter. Use the o ring size chart to find the perfect as568 o rings for you.
Converting length to inside diameter. Measure its id and look it up on a size chart. Steps to follow for an accurate measurement of o ring dimensions. Use the usa standard o ring sizing chart to find parker and as568 o ring sizes that work for your application.
O ring standard as568 sizes if the cs is one of standard as568 sizes such as 070 103 139 210 or 275 inches then you probably have a standard sized o ring. The measurements are either in inches or in millimeters. O rings are actually really easy to measure. Use a ruler to measure the diameter from one outer corner of the o ring to the other outer corner.
If the id is listed on the chart or within tolerance you have a standard size. Millions of o ring sizes are in stock and ready to ship today. Consider a sizing cone for small o rings under 2 5 inside diameter. The o ring store llc o ring sizing cone the o ring store.
The proper o ring size is a fundamental aspect of proper o ring performance. All you need to do is measure the internal diameter id or outside diameter od and the width or cross section c s of the o ring. Parco s o ring size chart is arranged by cross sectional diameter and then inside diameter. O rings are the most commonly used and widely available rubber sealing rings in the market.
O ring sizes are specified by the inside diameter outside diameter od and the diameter of the cross section thickness.