The standard sizes for o-rings include 20 sizes used to seal straight-thread tube fittings on a boss. A boss is a cylindrical projection on a casting or forging. The end of that projection is machined to provide a flat, smooth surface for sealing. Straight threads used with an o-ring provide a better seal than tapered threads used alone.
Learn MoreHow to Measure O-Rings · Place the O-ring on a clean, flat, level surface. · Determine the inside diameter by using a ruler to measure from one inner edge to
Learn MoreO-rings are actually really easy to measure. All you need to do is measure the internal diameter (ID) or outside diameter (OD) and the width or cross section (C
Learn Morefor non-standard sizes. Parco offers O-rings in all 369 standard sizes, shown on the enclosed chart. Metric Sizes Standard metric sizes for O-rings are defined by International Standard ISO 3601-1:2002: Fluid power systems O-rings Part 1: Inside diameters, cross-sections, tolerances and size identification code. That standard groups metric
Learn MoreThere are three Dimensions that you need in order to obtain the perfectly sized O-Ring for your application. These are the Outside Diameter
Learn MoreRubber AS568 O-Ring Seals. Whatever your o-ring requirements, Ace Seal has got you covered. Check out our popular line of AS568 o-rings below. To get started on customized O-rings, use the filters below to find the AS568 o-ring option you need, defined by inside diameter (ID) and the cross section (CS). Then, click on the link to specify the
Learn MoreGroove Design for correct O-ring dimensions: calculation for piston seals, rod seals and flange seal.
Learn MoreAS568 I.D ± C/S ± O.D I.D ± C/S ± O.D ‑001 0.029 0.004 0.040 0.003 0.109 0.74 0.11 1.02 0.07 2.78 ‑002 0.042 0.004 0.050 0.003 0.142 1.07 0.11 1.27 0.07 3.61 ‑003 0.056 0.004 0.060 0.003 0.176 1.42 0.11 1.53 0.07 4.48
Learn MoreFor the experienced O-ring seal designer: 1. Determine the gland design for best sealing results. (a) If the fluid medium or its specification is known,.
Learn MoreO-Ring size is defined by inside diameter and cross-section (width) and is listed in both fractional and decimal dimensions with tolerances.
Learn MoreThe proper o-ring size is a fundamental aspect of proper o-ring performance. Whether your application conforms to U.S., Japanese JIS, British BS, or Common Metric sizing for o-rings,
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