... "-48" 2)Connection:Butt Weld & Socket Weld & Thread 3)Standard:ASME,ANSI,BS,DIN,JIS,etc. 4)ISO 9001:2008 SO ... area of21860 square meters.We supply steel pipe,flange,pipe elbow,pipe bend,reducer,tee,cross,capand other pipe fitting,if ... City,Hebei Province,China Factory Certificate Test Equipment Production Equipment asme b 16.47 carbon steel forged flange