BACK UP RING

Backup rings are designed to prevent extrusion packing and to improve the pressure resistance of the packing.
We supply comprehensive range of back up rings made of different materials from WYS, drop us a message to find more details.
A&S Seals Co., Ltd. is a global supplier of BACK UP RING, WYS Seals, A&S Seals and many more. focusing on the various brands of seals supply