Pipe Products:
1. AMERICAN STANDARD
2. JAPANESE STANDARD
3. BRITISH STANDARD
4. CHINESE STANDARD
5. GERMAN STANDARD


Steel Pipe Flange

Series products of plate flat welded flanges  
Airtight surface Norminal pressure

0.25
(2.5)

0.6
(6)		 1.0
(10)		 1.6
(16)		 2.5
(25)
Covnvex DN10-2000 DN10-600
Entire plane DN10-600
Series products of neck butt welded steel pipe flanges  
Airtight Style Norminal pressure
0.6
(6)		 1.0
(10)		 1.6
(16)		 2.5
(25)		 4.0
(40)
Convex DN10-300 DN10-600
Convex and concave - DN10-600
Standard surface - DN10-600
Entire plane DN10-300 DN10-600  
Series products of neck butt welded steel pipe flanges  
Airtight Style Norminal pressure
1.0
(10)		 1.6
(16)		 2.5
(25)		 4.0
(40)		 6.3
(63)		 10.0
(100)		 16.0
(160)		 25.0
(250)
Convex DN10~2000   DN10~1000 DN10~600 DN10~400 DN10~300 DN10~250
Convex and concave DN10-600 DN10~400 DN10~300 -
Standard surface DN10-600 DN10~400 DN10~300 -
Entire plane DN10-2000 -
Ring joint surface - DN10~400 DN15~300 DN10~250