The center ring used with O-Ring for joint Vacuum flange for stop leakage .Vacuum flanges. 

NW/ KF centering ring 304 stainless steel with O-ring, used for front vacuum pipelines and high vacuum chamber ports connection, used in the vacuum industry; in addition, O-rings with mesh can be provided to prevent small particles from entering the pump and other vacuum industries. The KF clamp and the centering ring form a vacuum seal between the connecting flanges. The center ring is made of 304 stainless steel/ aluminum, so it will not be out of shape and can ensure tight up the pipeline connection.

• Material:
  • VITON O-RING + aluminum alloy Centering Ring
  • VITON O-RING + stainless steel Centering Ring