1. Standard: ANSI, ASTM, DIN, BS, JIS, GB, etc.

2. Type: Weld neck flange, slip on flange, blind flange, plate flange, thread flange, socket weld flange and other special shapes

3. Dimensions: DN15 to DN3000

4. Materials include carbon steel, stainless steel and alloy steel

5. Pressure classes: 150LB to 2500LB

6. Rustproof treatment: Lightly oiled, galvanized, painting with different colors or just keep the flanges dry and clean as per customers' requirement

7. The flanges can also be made according to customers' designs.