Advantages and disadvantages of gate valve
Classification:
Release Time：2018-08-16
Gate valve advantages: 1, the fluid resistance is small, the sealing surface by the medium erosion and erosion of small. 2, open and close more labor-saving. 3. The flow direction of the medium is not restricted, does not disturb the flow, does not reduce the pressure. 4. Simple shape, short structure length, good manufacturing process and wide application range. The disadvantages of the gate valve are as follows: 1, between the sealing surface is easy to cause erosion and abrasion, maintenance is difficult. 2. The external dimensions are large, opening requires a certain space, and the opening and closing time is long. 3, the structure is more complex. The type of gate valve, according to the sealing surface configuration can be divided into wedge gate valve and parallel gate valve, wedge gate valve can be divided into: single gate pole type, double gate plate type and
Gate valve advantages:
1. The fluid resistance is small, and the sealing surface is scoured and eroded by the medium.
2, open and close more labor-saving.
3. The flow direction of the medium is not restricted, does not disturb the flow, does not reduce the pressure.
4. Simple shape, short structure length, good manufacturing process and wide application range.
The disadvantages of the gate valve are as follows:
1, the sealing surface is easy to cause erosion and abrasion, maintenance is difficult.
2. The external dimensions are large, opening requires a certain space, and the opening and closing time is long.
3, the structure is more complex.
The type of gate valve, according to the sealing surface configuration can be divided into wedge gate valve and parallel gate valve, wedge gate valve can be divided into: single gate pole type, double gate plate type and elastic gate type; parallel gate valve can be divided into single gate type and double gate plate type. According to the thread position of the valve stem, it can be divided into two kinds of open rod gate valve and dark rod gate valve.
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