Backing rings, backing flanges

5.  Rustproof treatment: lightly oiled, galvanized, painting with different colors.

4.  Rating : ANSI B16.5 150LBS - 2500LBS, DIN PN6-PN40, BS10, BS4504, JIS 5K - 40K

3.  Packing: plywood case 

2.  Standard: ANSI, MSS, API, AWWA,DIN, JIS, BS and GB

1.  Size: 15mm to 2500mm

We can supply many kinds of flanges and forgings with good quality and favorable prices. 

We have many years experience in exporting forged steel flanges and backing rings with good quality and favorable prices...