The knife-type gate valve can complete the action control and signal output of the two positions of the opening and closing by using the accessories such as the electromagnetic valve and the proximity switch, and can also complete the automatic control of the continuous action. Knife-type gate valves are widely used in chemical, coal, sugar, sewage, paper and other fields, and are an ideal sealing valve . Knife-type gate valves are particularly suitable for conditioning and throttling on pipes in the paper industry. We sell kinds of tea, made in China. Main product is Green Tea, also have black tea. Green Tea Green Tea,Green Tea Organic,Green Tea Packets,Pure Green Tea Chengdu Minghe Agriculture Co.,Ltd , http://www.cdmhny.com
The knife-type gate valve is mainly composed of left and right valve bodies, U-shaped seal rings, gate plates, steel nuts, valve stems, brackets, cylinders, etc. The valve opening and closing is completed by the cylinder action.
The structural features of the knife gate valve are mainly:
1. It adopts the clip-on structure, which is small in size and light in weight.
2. A fully open channel prevents media from depositing inside the valve.
3. The newly developed U-shaped sealing ring can ensure the good sealing of the valve .
4. The outer seal of the ram is realized by a sealing strip embedded in the valve body and can be adjusted by means of screws and pressure plates.
5. The flow resistance is small.
6, easy to install and maintain.