Standard: China:GB12459-90 HGJ514-87  SHJ408-90
Germany:DIN2605  DIN2606  DIN2615  

 Japan:JIS B2311  JIS B2312 JIS B2313 
 U.S.A :ASME/ANSI B16.9  ASME/ANSI B16.28   ASME/ANSI B16.11
 MATERIALS :304 304L 316 316L 321 2520
Size: 15-1000mm
PRESSure Ratings: 5s-160s