Specification:
1) Size:1/2 - 24"    
2) Pressure class:150 - 2, 500lbs
3) Facing:RF / FF / RTJ
4) ANSI B16.5/DIN/JIS/UNI/BS/GB
5) Material:Stainless steel, Carbon steel, Alloy steel  
6) We can supply flanges according to customers' needs