With professional and productive factory, Wenzhou Redstar Valve Co.,Ltd is one of the top level China cast steel gear worm gate valve manufacturers. Welcome to wholesale cheap cast steel gear worm gate valve from us. Design&Manufacture:API6D Face to Face Dimension:ASME B16.10 Flanged Ends Dimension:ASME B16.5 Butt Welded Dimension:ASME B16.25 Test&Inspection:API598 www.redstar-valves.com