Knife gate valve structure characteristics
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Knife gate valve - also known as knife gate valve, knife-type slurry valve, from the 80's into China. In less than two decades, its use has expanded from the general field to a wider variety of industries. Driving school tee ball valve lining fluorine valve coal mines from coal mines, waste rock discharge, slag. Developed to the city's sewage treatment, developed from the general industrial pipeline to food, health, medicine and other professional pipeline system. Slim knife gate valve with its small size, small flow resistance, light weight, easy installation, easy removal and other advantages of the complete settlement of the ordinary gate valve, ball valve, globe valve, globe valve, butterfly valve and other valves flow resistance Large, heavy, difficult to install, covers an area of ​​difficult problems such as large. After the emergence of knife-type gate valve, a large number of general cut-off valves and regulating valves have been replaced. Today, the world's largest amount of knife gate valve is the United States and Japan. Knife-type gate valve equipped with solenoid valves, dry-cleaning machines and other accessories close to the price switch can be completed on and off the two position control and signal output can also be completed automatically control the continuous action. Knife gate valve is widely used in chemical industry, coal, sugar, sewage, paper and other fields, is an ideal seal valve. Stud type knife gate valve is particularly suitable for the paper industry in the pipeline for regulation and throttling use. Knife gate valve mainly by the left and right valve body, U-ring, gate, steel nuts, stem, bracket, cylinder and other components, the valve opening and closing by the cylinder action to complete. Structural characteristics of the knife gate valve are: 1, the use of the clip-type structure, small size, light weight. 2, completely open channel, medium frequency induction heating equipment can prevent the medium deposition in the valve. 3, the newly developed U-ring, you can ensure that the valve of a good seal. 4, outside the gate seal, it is embedded in the valve body through the elastic seal to achieve, stage machinery and can be used to help screw, plate adjustment. 5, small flow resistance. 6, easy installation and maintenance.