A: Materials of the gas fully welded ball valve1):Body: Carbon steel, EN 10217-2 P235GH (1.0345)2):Ball: Stainless steel, EN 5CrNi18-10(1.4301)3):Stem: Stainless steel, EN 8CrNiS18-9(1.4305)4):Sealing ring: PTFE+CB:Characteristic of the gas fully welded ball valve5):Drive:Galvanized steel handle6):Temp:2007):Size:DN15-DN150 8):Pressure:PN16-PN409):End: welded/welded