1.Casting iron/Ductile iron double flanged gate valves 2.Face to face:BS,DIN,JIS.ANSI ... 4.Sizes:50mm~600mm 1.Casting iron/Ductile iron double flanged gate valves(BS5150,DIN3202,JIS,ANSI)2.Face to face ... ,ANSI3.Pressure:PN10/PN164.Size:50mm~400mm/2”~24”5.Flanged end according to BS,DIN,JIS.ANSI6.Medium:.W.O ...