As professional manufacturer for casted backup rings in China, we supply “CQ” brand backup convert flange for HDPE pipe connection.
- Designed per standard of ASME/ANSI B16.5, B16.47 ser. A CL150, B16.1 CL125, AWWA C207 B/D/E.
- Material optional: Ductile Iron or Stainless Steel A351 CF8M(SS316).
- Ductile Iron Rings Range: 2″-36″
- Stainless Steel Rings Range: 2″-24″
- Pressure Rate: SDR7, SDR9, SDR11, SDR17
- Surface optional for Ductile Iron Rings: Red prime paint/Epoxy Coating/E-coating/ Hot Dipped/ Galvanization.
- Surface for Stainless steel Rings: Pickling and Passvation.
- Marking: IPS, SIZE, CQ, Material, Pressure (SDR7/SDR11),Brand per
buyers requirement, Heat No. - Application: Suite for IPS flange adapter connection.
- Working pressure rating is for free-floating ring on HDPE flange adapters.