Pneumatic Ball Valve, Pneumatic Actuator, Electric Ball Valve manufacturer / supplier in China, offering China Manual High Pressure SS316 Floating Type 3 Piece Stainless Steel Ball Valve with Lock, Pn16/Pn25/150lb/300lb SS304/SS316 Manual Flange Ball Valve, DV24V AC220V Presure Pn16 Pn25 150lb 300lb 1000wog Thread NPT/Bsp Female RF Flange Clamp End Wcb SS304 SS316 CF8 CF8m on-off Type Electric Ball Valve and so on.