Ball Valve, Flanged Ball Valve, Stainless Steel Ball Valve manufacturer / supplier in China, offering 3-Part CF8m Stainless Steel Ball Valve 1/2" 1000 Wog, GOST Standard Port Flange/Flanged RF or Butt Weld Bw All & Full Welded Ball Valve From Forged Steel Fully Welded Type Body China Manufacturer, DIN3202-M3 Economical Light Type Female Thread Pn63 Bsp Threaded/Flanged Ss Stainless Steel 1PC 2PC 3PC Ball Valve Pn63 with ISO Locking Device and so on.