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Manual plug valve is also known as a manual knife-type gate valve. Knife-shaped gate valve is a kind of valve, in which the gate and the valve seat are always in close contact and sealed. The principle of this valve is that the gate board has a round opening and is opened by the gate. Closing makes the round port on the ram plate completely separate from and coincides with the diameter.
Manual plug-in valve is the main control equipment widely used in metallurgy, mining, building materials, and food industries. The diameter of the manual screw gate is matched with the feed inlet of the unloader.
Manual plug-in valves are often used in conjunction with unloading devices or silos. The manual spiral gate valves are flange-connected for easy installation. There are two types of inlet and outlet ports, square and round. There are dozens of specifications depending on the size of the caliber. It finds application in metallurgy, carbon, chemicals, building materials and other industries.
The plug-in valve has the advantages of simple and compact structure, reasonable design, reliable sealing, light and flexible operation, small size, smooth passage, small resistance, easy installation, and easy disassembly. The manual screw gate valve can be installed horizontally or vertically, and has wear-resistance and has features such as automatic compensation and long life. Manually inserting the valve in the normal use of the various transmission parts should be regularly checked, and add lubricant to maintain.
Installation and instructions