Knife gate valve, also known as knife gate valve or knife slurry valve, was introduced into China in the 1980s. It has a wide range of applications, from coal preparation, gangue discharge, slag discharge in mines and power plants, to sewage treatment in cities, form slurry transportation in cement and paper mills to professional pipelines such as 1
Dark rod knife gate valve is installde by valve stem. There is no lifting action when the valve stem is opened and closed, which saves installation space. Manual knife gate valve can only be fully opened and closed, can not be adjusted and throttled.
Sporal gate is used for top, bottom and import and export of building materials, metallurgy, mining, elextric power, chemical industry, glass, light industry, grain and other industries.
Internal screw swing check valves refer to opening and closing parts by the flow of media and force to open or close, in order to prevent the media backflow of the valve.
The plug valve, the opening and closing part (conical plug or ball) rotates around its center line. The plug valve USES the plug body with a through hole as the opening and closing part, and realizes the opening and closing action through the rotation of the plug body and the valve stem.
Check valve can regulate the opening and closing speed. When the pump starts or stops running, it can be adjusted to the best opening or closing speed with the on-site adjustment.It is suitable for mining enterprises and high-rise buildings to reduce water hammer and water hammer in direct water supply and drainage system by water pump, so as to ac1