Specification :

1. Product: welding neck flange

2. Size range: 15-1300A (1/2 to 52")

3. Standard: DIN, UNI, GB, BS, ASME, ANSI, API, ASA, JIS etc.

4. Material: F304(1.4301), F304L(1.4307), F316(1.4401), F316L(1.4404), F321(1.4541), F316TI(1.4571), SUS304,SUS304L,SUS316,SUS316L and alloy steels

5. Pressure Class: 150-3000lbs according to ANSI, ASME, UNI; PN6-PN150 DIN; 5K-40K JIS.

6. Facing: RF/FF/RTJ
We can also make nonstandard flanges, and the dimensions in accordance with your specifications and drawings.
This flange can be applied to petro-chemical project, pipe engineering, public appliances, etc.