BLK 809, FRENCH ROAD #01-156/01-178 KITCHENER COMPLEX, SINGAPORE 200809.
TEL: 65-2917222, 65-2920426   FAX: 65-2940372

O-RINGS EXPLAINED

An O-ring is a solid-rubber seal shaped like a doughnut or torus. 
When pressed between mating surfaces, an O-ring blocks the 
passage of liquids or gases. Our O-rings are available in a wide range 
of standard sizes that are suitable for nearly all sealing applications.

O-Ring techniques are developing rapidly, and the range of sizes is 
growing. Please ask our advice when you require special qualities, or sizes. 

When selecting O-Rings, it is important to know that an O-Ring that 
is a bit too small may be expanded in the groove up to 5%, and that an 
O-Ring that is a bit too large may be compressed in the groove up to 3%.
 

Two dimensions define the size of an O-ring:  its inside diameter (ID) and 
its cross-sectional diameter (CS).  (These dimensions are illustrated above.)
 
Standard Sizes (Inches)

The standard O-Ring sizes used by Hypax Pte Ltd are defined by 
Aerospace Standard AS568A, Aerospace Size Standard for O-ring, and
British (BS1806, BS4518).
 
Non-Standard Sizes (Metric)

Metric Sizes are available in most millimeter increments.

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Information in this document is subject to change without notice.
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Copyright © July 1996 Hypax Pte Ltd. All Rights Reserved.