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
12″ Mechanical Joint Accessory Kit
12" Mechanical Joint Accessory Kit for ductile iron mechanical joint and HDPE MJ adapter connections
- Size: 12"
- Joint Type: Mechanical Joint (MJ)
- Gland: ASTM A536 Ductile Iron
- Gasket: SBR Rubber
- Fasteners: 1045 Steel T-Bolts and Hex Nuts
5″ IPS Stainless Steel Backup Ring SDR7
5" IPS SDR7 stainless steel backup ring for HDPE flange adapter connections
- Sizes: 5"
- Type: IPS
- SDR Ratings: SDR 7
- Material: Stainless Steel
4″ IPS Stainless Steel Backup Ring SDR11
4" IPS SDR11 stainless steel backup ring for HDPE flange adapter connections
- Sizes: 4"
- Type: IPS
- SDR Ratings: SDR 11
- Material: Stainless Steel
4″ IPS Stainless Steel Backup Ring SDR7
4" IPS SDR7 stainless steel backup ring for HDPE flange adapter connections
- Sizes: 4"
- Type: IPS
- SDR Ratings: SDR 7
- Material: Stainless Steel
2″ Mechanical Joint Accessory Kit
2" Mechanical Joint Accessory Kit for ductile iron mechanical joint and HDPE MJ adapter connections
- Size: 2"
- Joint Type: Mechanical Joint (MJ)
- Gland: ASTM A536 Ductile Iron
- Gasket: SBR Rubber
- Fasteners: 1045 Steel T-Bolts and Hex Nuts
3″ IPS Stainless Steel Backup Ring SDR11
3" IPS SDR11 stainless steel backup ring for HDPE flange adapter connections
- Sizes: 3"
- Type: IPS
- SDR Ratings: SDR 11
- Material: Stainless Steel
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DIPS Backup Ring
10 products
- Ducitle Iron Backup Ring DIPS 6 products
- Stainless Steel Backup Ring DIPS 4 products
-
IPS Backup Ring
20 products
- Ductile Iron Backup Ring IPS DR11 4 products
- Ductile Iron Backup Ring IPS DR7 7 products
- Stainless Steel Backup Ring IPS DR7 5 products
- Stainless Steel Backup Rings IPS DR11 4 products
- Mechanical Joint Accessory Kit 3 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…


