china butterfly valve

Top china butterfly valve supplier flange meets the standard of ISO5211 for handle,gearbox electric and pneumatic etc
Handle:malleable iron handle strong metal handle,normal and aluminum handle etc for chose,functional well
Worm gear:high quality and normal quality worm gear for chose ,the color of worm gear can also be customized and good looking

Butterfly valves includeand wafer butterfly valve, lug butterfly valve  other related butterfly valve products.