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02
2021-07
Installation and maintenance of butterfly valves to troubleshoot
Common malfunctionsThe rubber elastomer in the butterfly valve will tear, wear, age, perforate or even fall off during continuous use. However, the traditional thermal vulcanization process is difficult to meet the needs of on-site repair. ...
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02
2021-07
The working principle of gate valve
The gate valve is a gate for opening and closing. The movement direction of the gate is perpendicular to the direction of the fluid. The gate valve can only be fully opened and fully closed, and cannot be adjusted or throttled. The gate...
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02
2021-07
The movement mode of the gate valve
The movement mode of the gate valveWhen the gate valve is closed, the sealing surface can be sealed only by the pressure of the medium, that is, the sealing surface of the gate is pressed against the valve seat on the other side to ensure...
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02
2021-07
Features of gate valve
Light weightThe body is made of high-grade nodular cast iron, the weight is about 20%~30% lighter than the traditional gate valve, and it is easy to install and maintain.Flat bottom brake seatTraditional gate valves often deposit in the...
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02
2021-07
Advantages and disadvantages of gate valves
Advantages of gate valve1. Small flow resistance. The medium channel inside the valve body is straight, the medium flows in a straight line, and the flow resistance is small.2. Less effort when opening and closing. It is compared with the...
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02
2021-07
Types of gate valves
There are many domestic manufacturers of gate valves, and most of them are not uniform in connection size. Mainly divided into the following categories: 1. According to JB/T2203-1999 'Gate Valve Structure Length', the standard...
