1)Size:1/2"-48" 2)Connection:Butt Weld & Socket Weld & Thread 3)Standard:ASME,ANSI,BS,DIN,JIS,etc. 4)ISO 9001:2008 ... ),Male-and-Female (M&F)StandardASME,ANSI,BS,DIN,JIS,etc.Surface Treatment Transparent oil, rust-proof black oil or hot galvanized ... City,Hebei Province,China Factory Certificate Test Equipment Production Equipment For sale PN 1.0 slip on carbon steel flange