Backing rings / plate flange

Standard: ANSI, ASTM, DIN, BS, JIS, GB, etc.
Types: weld neck flange, slip on flange, blind flange, plate flange, thread flange, socket weld flange and other special shapes
Dimensions: DN15 to DN3000
Materials include carbon steel, stainless steel and alloy steel
Pressure classes: 150LB to 2500LB
Rustproof treatment: lightly oiled, galvanized, painting with different colors or just keep the flanges dry and clean as per customers' requirement
The flanges can also be made according to customers' designs.

We have many years experience in exporting carbon steel flanges and backing rings with lower price but good quality....