2. Material:Stainless Steel:such as 201, 301 , 304,304L,316,316L,321 and so on.

3. Standard:GB,JIS,BS,DIN.ANSI and Non standard,

4. ANSI class :150,300,400,600,900,1500,2500

5. Size:1/2″-40″

6. Type:Slip-on flanges, Blind flanges, Lap joint flanges, Welding neck flanges,Plate flange,

7. Socket welding flanges and Treaded flanges.

8. Pressure class:150 300 400 600 900 1500 and 2500, pn :6 10 16 25 40 64 and 160 ,5K-40K and so on .

9 . Sealing surface : FF ,RF, LJ, FM ,R.T.J ,R.J and so on .

10. Production process : raw material–cutting–heating–forging–heat treatment–maching–inspection.