Wafer and flange are two connection methods. Wafer type is cheap, the price is roughly 2/3 of the flange. When choosing imported valves, use the wafer type as much as possible, and the price is cheap. Lightweight.…

Unidirectional sealing butterfly valve is that when the front of the butterfly plate of the butterfly valve is closed, it must face the flow direction of the medium; the medium only flows in one direction, and there must be an arrow indicating the flow direction of the medium on the valve body.…

The all-metal two-way pressure butterfly valve adopts a three-eccentric structure. It is completely sealed by the torque provided by the driving device. The valve can be reliably sealed under high and low pressure. That is, an angle eccentricity is added to the double eccentricity of the ordinary metal hard seal butterfly valve.…

The traditional metal hard seal butterfly valve is used to realize the on-off and flow control components of the pipeline system, and it is extremely widely used in many fields such as petroleum, chemical industry, metallurgy, hydropower and so on. In the known butterfly valve technology, the sealing form is a sealing structure, and the sealing material is rubber or polytetrafluoroethylene. But de…

DBB and DIB Seating for Turnnion Mounted Ball Valves…

What are the advantages and disadvantages of flat gate valve…