About Us
As professinal suplier of metal castings, we developed backup rings and Mechanical Joint assecorreis for HDPE pipe industry. Backup rings are made by sand casting or investment casting process, and ductile iron glands are made by sand casting too. All products will be full inspected in workshop.

PRODUCTS
4″ Ductile Iron Backup rings, SDR 7, IPS
4 inch Ductile Iron Rings, ductile iron flange, also named as convert flange. it’s used for IPS HDPE pipe adaptor
- Sizes: 4″
- Type: IPS
- SDR Ratings: SDR 7
- Material: ductiel iron
- Finishes: Epoxy-Coated or Red Oxide Primer
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IPS Backup Ring
2 products
- Ductile Iron Backup Ring IPS DR7 2 products
Production
IPS Bolt Rings
Also named ductile iron convoluted flange or back up ring….
IPS Back Up Ring
Back-up Ring, also named Convoluted Flanges for IPS adapter. Material:…
IPS Backup Flanges
Backing flange Type: SE (Stub End) and AFR (Angle face…
Ductile Iron Backup Ring
Back-up Ring, also named Convoluted Flanges for adapter. Material: ductile…
90 Socket Spigot Bends
90 Bends, socket spigot type , ductile iron pipe fittings per…
45 Double Socket Bends
45 degree Bends, double socket type , ductile iron pipe fittings per…

