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″ SS316 DIPS SDR11 Backup Ring
2 inch Ductile Iron Rings, for IPS HDPE pipe adapter
- Sizes: 2″
- Type: IPS
- SDR Ratings: SDR 7
- Material: ductiel iron
- Finishes: Epoxy-Coated,Red Oxide Primer, galvanization
2″ SS316 IPS SDR7 Backup Ring
2 inch Ductile Iron Rings, for IPS HDPE pipe adapter
- Sizes: 2″
- Type: IPS
- SDR Ratings: SDR 7
- Material: ductiel iron
- Finishes: Epoxy-Coated,Red Oxide Primer, galvanization
2″ SS316 IPS SDR11 Backup Ring
2 inch Ductile Iron Rings, for IPS HDPE pipe adapter
- Sizes: 2″
- Type: IPS
- SDR Ratings: SDR 7
- Material: ductiel iron
- Finishes: Epoxy-Coated,Red Oxide Primer, galvanization
4″ DI DIPS SDR7 Backup Ring
4 inch Ductile Iron Rings, used for IPS HDPE pipe adapter
- Sizes: 4″
- Type: IPS
- SDR Ratings: SDR 7
- Material: ductiel iron
- Finishes: Epoxy-Coated,Red Oxide Primer, galvanization
2″ DI IPS SDR11 Backup Ring
2 inch Ductile Iron Rings, for IPS HDPE pipe adapter
- Sizes: 2″
- Type: IPS
- SDR Ratings: SDR 7
- Material: ductiel iron
- Finishes: Epoxy-Coated,Red Oxide Primer, galvanization
4″ DI IPS SDR7 Backup Ring
4 inch Ductile Iron Rings, used for IPS HDPE pipe adapter
- Sizes: 4″
- Type: IPS
- SDR Ratings: SDR 7
- Material: ductiel iron
- Finishes: Epoxy-Coated,Red Oxide Primer, galvanization
-
DIPS Backup Ring
2 products
- Ducitle Iron Backup Ring DIPS 1 product
- Stainless Steel Backup Ring DIPS 1 product
-
IPS Backup Ring
5 products
- Ductile Iron Backup Ring IPS DR11 1 product
- Ductile Iron Backup Ring IPS DR7 2 products
- Stainless Steel Backup Ring IPS DR7 1 product
- Stainless Steel Backup Rings IPS DR11 1 product
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…


