Piston Seal

Piston rings are an excellent seal for hydraulic and pneumatic cylinder applications. The piston ring provides low friction and strong chemical resistance. 
Piston cups seal on their outer lip and are held in place by a follower plate. To maximize product availability, Hi-Tech Seals piston cups do not come with a pre-cut bolt hole.
A&S Seals Co., Ltd. is a global supplier of Piston Seal, HITECH Seals, A&S Seals and many more. focusing on the various brands of seals supply