We can supply various kinds of flange and flange cover such as Chinese standard , American standard, Japanese standard, DIN standard, British standard.The main products are elding necks, sliding bushes, thread flanges, blind plates , flat plates etc, with specifications varying from 1/ 4"(10mm) to 120"(3000mm).
Details as follows:

1
Chinese standard

HG5010^5028-58
HG20592^20605-97
20615^20626-97
HGJ44^68-91 SH3406-92SH3406-96
SHJ406-89 SHT501-97SYJ S3-1-1^5
JB81^86-59 JB/ T81^8694
JB577-64 JB577-79 JB4721-92
JB577-79 JB585-64 JB585-79
JB1157^1164-82 JB2208-80 JB4700^4707-92
JB4721-92
DG0500^0528 0612^0616
GD0500^0528 GB9112^9125-88GB/ T13402-92


American standard

ANSI B16.5 API605, 6A , 6B MSS SP44 AWWA C207


Germany standard

DIN 25272528256125652566257325762627^ 2630264126422655265626738602986030

British standard

BS 4504PN16
25
40 BS10 TABLE E
TABLE D


Japanese standard

JIS/ KS 5K
10K
16K
20K

Italian standard

UNI2253/ 2254/ 2276^2278/ 2281^2284/ 6083/ 6084/ 6089^6093


Forgings

JB755-85 JB4726^4728-94


Non-standard

Diametr under 3 meters and weight under 2.5 tons