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How the globe valve works

Globe valve, also known as cut-off valve, is one of the most widely used valve companies. Due to the small friction between the sealing surfaces during the opening and closing operation, it is more durable, the opening height does not change much, the manufacturing technology is convenient, and the maintenance management is convenient. , not only for medium and low pressure, but also for high pressure. The closing principle of the globe valve is to close the sealing surface of the valve disc and the sealing surface of the valve seat through the pressure of the valve stem to prevent the medium from flowing.

04

2022

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07

What are the characteristics of the globe valve?

The structure of the globe valve is simpler than that of the gate valve, and it is more convenient to manufacture and maintain. The sealing surface is not easy to wear and scratch, and the sealing performance is good. There is no relative sliding between the disc and the sealing surface of the valve body when opening and closing, so the wear and scratch are not serious, the sealing performance is good, and the service life is long.

18

2022

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01

Composition and use of pneumatic control valve

Pneumatic regulating valve is composed of two parts: pneumatic actuator and regulating mechanism. The regulating mechanism is roughly the same structure as most regulating valves, and the difference is mainly in the actuator. The pneumatic actuator can generate corresponding thrust according to the size of the control signal to push the valve to move. Under the action of the thrust of the actuator, the pneumatic control valve will produce some displacement or rotation angle to directly adjust the flow of the fluid.

19

2021

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05

The rapid development of complete sets of technology and the trend analysis of the increase of valve varieties

With the development of large and medium-sized complete sets of technologies at home and abroad, a series of new complete sets of equipment and stand-alone machines have emerged. The development of new complete sets of equipment related to valves is characterized by large-scale, high-parameterization, high-performance automation and complete sets, which are compatible with the control methods of these complete sets of equipment.

10

2020

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11

Do you know the characteristics of the temperature and pressure reduction device?

Do you know the characteristics of the temperature and pressure reduction device? Features of the desuperheating and decompression device. The desuperheating and decompression device is composed of decompression system (cooling and decompression valve, orifice, etc., high pressure differential water supply regulating valve of cooling system, throttle valve, etc., safety protection device safety valve, check valve), etc.

21

2021

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12

Give you a brief explanation about the development of desuperheating and decompression devices

The temperature and pressure reduction device is a conversion device that utilizes steam heat energy parameters (pressure, temperature) and is widely used in thermal engineering in modern industries such as cogeneration of heat and power, central heating (or steam supply) and light industry, electric power, chemical industry, textile and other enterprises. Energy-saving devices for waste heat and waste heat to meet user requirements, fully save heat energy, and rationally use heat energy.

06

2021

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12

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