O-Rings – From Buna O-rings to X-rings

We have one of the world’s most readily available

inventories of o-rings and related accessories


O-Ring Sizes

Available in standard AS568 and metric sizes, we provide standard and customizable o-rings in multiple durometers and materials at competitive low minimum quantities. Our high quality o-rings and accessories maintain a robust vigor and durability that will maximize equipment performance.


O-Ring Applications

O-rings are primarily used to create a seal in static and motion applications with high pressure and temperature settings. In extremely high temperature conditions, o-rings should have a Viton® material coated in Teflon® to maximize equipment performance and operating time.

DICHTOMATIK acquired American Seal

American Seal Brand

Although the name has changed we maintain the American Seal promise to our customers – any seal, any time. As the new look of American Seal, we are dedicated to your success.

DICHTOMATIK Engineering Support sign

Engineering Support

Backed by a team of highly skilled engineers and over 30 years of experience, we have the ability to create the best customized o-ring or accessory to meet your specifications. Our engineering team will collaborate with you and your customers to overcome the most complex obstacles to develop a highly tailored solution to maximize your and your customers’ operations.