Metric O Ring Size Gauge

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.

Metric o ring size gauge. An o ring seal is used to prevent the loss of a fl uid or gas. That standard groups metric sizes into two series g and a. An o ring is a circular cross section ring molded from rubber figure 1 1. Browse our metric o ring size chart to view common metric o ring sizes and order o rings from the world s largest inventory network.

Wrap a piece of string around your ring finger and cut it at the point where the end overlaps. Line the string up with the ring size guide provided on the ring size chart. Metric and inch cross section thickness reference gauge. Determine width using thickness gauge.

4 mm 3 mm 2 5 mm 2 mm 1 5 mm 1 mm metric cross section gauge 33 mm 34 mm 36 mm 38 mm 39 mm 41 mm 42 mm 44 mm 45 mm 47 mm 48 mm 51 mm 52 mm 54 mm 57 mm 3 mm 5 mm 7 mm 8 mm 10 mm 11 mm. The proper o ring size is a fundamental aspect of proper o ring performance. This two piece measuring system identifies 226 dash numbers. Print the ring size chart making sure that it is printed to actual size.

Common metric o rings sizes. The one that best matches is your ring size. Place an o ring onto one of these sizing cones to determine the size of your o ring. Quick reference tape measure confirms metric size o rings 64mm 665mm inside diameter on one side and usa as568 standard o ring sizes from 2 5 id to 26 inside diameter on the other side.

These measuring gauges can be found in both bs and as american standard configurations and with both metric and imperial scales. Inside diameters cross sections tolerances and size identification code. If the cs of the o ring is not one of the standard as568 sizes then you may have a metric o ring. Metric and usa o ring sizing tape measure.

Custom o rings are available upon request and can typically be produced within a. Cone for 1 4 to 3 id ranges comes with a sizing tape to identify large o rings with a 3 1 8 to 8 id. For o rings of larger sizes you can simply place them around the spindles at the top of the gauge and then extend the slider until the ring is taut. Standard metric sizes for o rings are defined by international standard iso 3601 1 2002.

Metric size o ring gauge metric o ring gauges 1. Lay o ring on page until inner diameter or outer diameter is determined. Cone for 6 mm to 69 mm id ranges identifies the actual o ring size. Thousands of common metric o rings and non standard o rings in metric sizes are available in stock.

And metric o ring sizes quad ring seals rubber x ring seals rubber square ring seals. In this case simply measure the cs and the id as discussed above to identify the size needed on our metric size chart. At global o ring we identify metric sizes by their cs x id in the format x. The seal assembly consists of an elastomer o ring and a gland.