Butterfly Valve. We look at the valve's main parts, how it functions, advantages and disadvantages. The closing mechanism is a disk that rotates.
Yifa valve is a direct manufacturer of valves with 21 years experiences.
Butterfly valves & controls, inc. A butterfly valve is a valve used for flow regulation in large pipe diameters in which the disc takes the form of disk. All our butterfly valve molds are designed and manufactured by ourselves. Pov is a butterfly valves china manufacturer, export to more than 80 countries, more than 500 customers all over the world.24hours online service.