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Selection of Valve Electric Actuator Models

Selection of Valve Electric Actuator Models

Sep 26,2022

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Do You Know All these Characteristics of Knife Gate Valves?


Knife gate valves have advantages like simple and compact structure, reasonable design, material saving, reliable sealing, flexible operation, small volume, smooth passage, small flow resistance, lightweight, easy installation, easy disassembly, etc.


Knife gate valves completely solve the common cons of gate valves, flat gate valves, globe valves, butterfly valves, ball valves, and other valves: big, heavy, large flow resistance, difficult to install, and other problems.


They can replace the general globe valve and regulating valve, which can be put in the working pressure of 1.0 MPa or up to 2.5 MPa, temperature between -29 to 550 ℃.


Knife gate valves' discs can scrape the adhesion on the sealing surface and automatically remove the debris. A stainless steel disc can prevent the sealing leakage caused by corrosion.


Knife gate valves are suitable for oil, water, and steam pipelines in coal selection, slagging, urban sewage treatment, food, paper, pharmaceutical, petroleum, chemical industry.


  1. Knife gate valves have developed discs. They scrape the adhesion on the sealing surface and automatically remove debris.

  2.  Stainless steel discs can prevent sealing leakage caused by corrosion. Discs after fine grind and polishing treatment can obtain a better sealing effect.

  3. The stainless steel body is durable, and the reinforced rib design improves the strength of the valve body. 

  4. The overall stainless steel knife gate valve can prevent corrosion damage. The valve body and packing culvert are precision cast, where the valve body is cast with flange type as a whole. 

  5. The full round DC channel design does not store slag and will be not stuck. 

  6. The short length of the structure saves material and installation space and also effectively supports the strength of the pipe. 




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