Buna n o rings also referred to as nbr o rings and nitrile o rings are the most widely used o ring material in the world because of low cost good mechanical performance with resistance to water most basic oils lubricants and some fuels many pneumatic hydraulic systems propane natural gas and the.
Metric square cut o rings uk.
Although the cross section of the o ring is seen as fairly arbitrary there are some.
Choose from our selection of metric o rings including oil resistant buna n o rings high temperature silicone o rings and more.
Thousands of common metric o rings and non standard o rings in metric sizes are available in stock.
Square buna n nitrile nbr o rings 70 durometer.
Standard square rings have the same inside diameter as the as568 sizes.
We can also supply square rings to metric dimensions.
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.
Square o rings are still available from some manufacturers but they typically require tooling charges and or large quantity orders to produce them.
Common metric o rings sizes.
Square rings and rubber washers can be used in static applications where high sealing load force is required or when the sealing area is too thin to accommodate anything else.
Consider replacing square rings with o rings or x rings that often provide greater performance for the same or.
Square ring seal chart.
Custom o rings are available upon request and can typically be produced within a.
X rings and square rings marco rubber offers custom o rings and.
Square cut o rings have been largely phased out by elastomeric sealing manufacturers since the invention of the quad ring or commonly also called a q ring or x ring.
In stock and ready to ship.
Metric o rings and custom size o rings are often used when a standard o ring size will not fit an application or existing hardware.
Choose from our selection of square o rings including over 550 products in a wide range of styles and sizes.
Imperial iso 3601 as 568 o ring size charts metric jis b 2401 din 3771 o ring size charts.
Square rings and rubber washers can be molded machined or cut cost effectively depending on the size material and quantity.
Standard usa size rubber square rings can sometimes be used interchangeably in usa standard size o ring gland designs.
Of an o ring gland is primarily influenced by the diameter of the mating surface.
However the cross section dimension is slightly smaller for square rings.
Square rings and rubber washers can be used in basic cost sensitive applications.
We primarily stock american standard as568 sizes of square rings in nitrile and viton.
