Brand: Zhongnuo
Packaging: poly-pallets, poly-cases
Supply Ability: 1200 tons each month
Certificate: ISO9001
Model No.: Backing Ring flanges HDG
A backing ring is a small piece of material welded between two pipes. They are usually round to fit most pipes, but there are also square-shaped rings. It is also called a back-up ring or anti-extrusion ring. A typical backing ring is made of rubber...
China Backing Flanges of with CE