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What are the commonly used valves in oil refining equipment?

What are the commonly used valves in oil refining equipment?

In oil refining plants, fluid control is a key link to ensure production safety and efficiency. Different process flows and operating conditions have specific requirements for valve types. The followi

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Which material of ball valve is wear-resistant and durable?

Which material of ball valve is wear-resistant and durable?

In industrial production and fluid control systems, ball valves are key valve components, and their wear resistance and durability directly affect the operating efficiency and safety of the entire sys

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What are the antifreeze measures for steam traps?

What are the antifreeze measures for steam traps?

In cold winter, the steam trap and its connected pipes may freeze, causing system failure. To avoid this, effective antifreeze measures must be taken. The following are some common antifreeze measures

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Correct installation method of Y-strainer

Correct installation method of Y-strainer

Y-type strainers are important devices used in pipe systems to filter impurities and protect equipment. They are widely used in water treatment, petroleum, chemical and other industries. In order to e

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Application of valves in heating systems

Application of valves in heating systems

The heating system is an indispensable part of modern buildings, and its operational efficiency and stability directly affect the comfort of the living environment. Valves play a crucial role in heati

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Manifestations and causes of valve leakage in power plants

Manifestations and causes of valve leakage in power plants

1.Leakage of valve packing. During the operation of power plant valves, there will be a certain degree of transfer between the packing and the valve stem, or relative movement will be achieved under the action of force. Over time, the valve will become lo

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Common factors causing internal leakage of valves in pipelines

Common factors causing internal leakage of valves in pipelines

The main reasons for internal leakage are that the valve cannot be fully closed and the sealing surface is damaged during pipeline construction,according to the site construction, it is related to the following factors:

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Overhaul and maintenance of check valve in power plant

Overhaul and maintenance of check valve in power plant

The internal leakage of the check valve affects the normal operation of the system and poses a threat to equipment safety to a certain extent.In order to ensure the normal operation of the check valve, it should be regularly inspected and maintained.For e

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Measures to prevent internal leakage of ball valve

Measures to prevent internal leakage of ball valve

As far as the internal leakage of the valve is concerned, its root cause is related to production, transportation and installation. Therefore, the anti-seepage strategy should cover every step.

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Measures for Improvement of Electric Valves

Measures for Improvement of Electric Valves

1.Improve the quality of valve designers.If you want to improve the quality of electric valves and reduce the probability of failure, you should first improve the quality of designers to make them realize that if the electric valves have problems, they wi

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Reasons for corrosion of sealing surface of globe valve in seawater process

Reasons for corrosion of sealing surface of globe valve in seawater process

There are many reasons for corrosion of the sealing surface of the globe valve,for example, cavitation, fluid erosion containing impurities, insufficient hardness of valve disc and valve seat materials, poor medium corrosion resistance of materials used,

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Structural principle and application analysis of butterfly valve

Structural principle and application analysis of butterfly valve

Butterfly valve is a kind of regulating valve with round disc or disc as the closing part, which is mainly composed of valve body, valve stem, butterfly plate and sealing ring.The valve body is cylindrical, with short axial length and built-in butterfly p

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The application value of check valve in gas engineering design

The application value of check valve in gas engineering design

First, the check valve will improve the efficiency of the project.Whether it is a lift check valve or a swing check valve, their structures are relatively small.In gas engineering, check valve should be located in the position of pipeline. If its structur

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The selection of butterfly valve equipment in urban water supply

The selection of butterfly valve equipment in urban water supply

The models and marks of butterfly valves vary from manufacturer to manufacturer. Different models of butterfly valves have their own progressiveness.However, regardless of the size of the butterfly valve and the manufacturer, its construction principle is

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Key points of valve selection in chemical engineering design

Key points of valve selection in chemical engineering design

Generally speaking, one of the tasks of chemical pipeline design is the reasonable selection of valves.Reasonable valve selection can guarantee the benefit of subsequent production and operation.The following aspects are generally considered for the selec

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Differences between rising stem gate valve and non rising stem gate valve

Differences between rising stem gate valve and non rising stem gate valve

The driving mode of rising stem gate valve is different from non rising stem gate valve. The rising stem gate valve is driven by the handwheel to rotate the nut in place, and the valve stem rises and falls in a straight line to complete the opening and cl

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Notes for the installation of ventilation butterfly valve

Notes for the installation of ventilation butterfly valve

The installation position of the ventilation butterfly valve in the pipe network and the pipe network layout also affect the use of the valve,for pipes with large smoke and dust, a closed funnel shall be designed at the open end of the valve or at the con

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Difference between electric fluorine lined butterfly valve and electric hard seal butterfly valve

Difference between electric fluorine lined butterfly valve and electric hard seal butterfly valve

Electric butterfly valve is one of the most commonly used valves in industrial pipelines in recent years,in addition to normal opening and closing, it can also be used to adjust and control the pressure, flow, temperature and other parameters of various w

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Difference between electric hard seal ball valve and electric soft seal ball valve

Difference between electric hard seal ball valve and electric soft seal ball valve

There are many types of ball valves. The corresponding working conditions are different according to the different structure, connection methods and valve body materials. However, among all types of ball valves, the sealing forms can only be divided into

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The leakage reasons of valve sealing surface

The leakage reasons of valve sealing surface

Valve is one of the most widely used control components in the fluid system, which can be used to switch or control the flow direction and regulation. In terms of the simplest cut-off function, the function of the valve seal in the machinery is to prevent

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The function and working principle of check valve

The function and working principle of check valve

The function of check valve:
The check valve is an automatic opening and closing valve that does not require manpower or other actions,it relies on the flow of the pipeline medium itself to open or close the valve, which is mainly used to prevent the rev

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Preservation methods of idle valve to prevent rust and damage

Preservation methods of idle valve to prevent rust and damage

1.Regular maintenance
Valves that have been idle for a long time shall be inspected and maintained regularly to prevent corrosion and damage.For valves that have been idle for a long time, they can only be used after passing the pressure test together wi

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Description and classification of valve connection modes

Description and classification of valve connection modes

Description and classification of valve connection modes:
Nowadays, the application scope of valves is more and more extensive, and corresponding valves should be used in different environments.The connection between valve and pipeline or equipment is di

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Routine maintenance and repair methods of pneumatic valves

Routine maintenance and repair methods of pneumatic valves

Pneumatic valve is a device that operates valve opening and closing through compressed air,it only needs air supply to work,and the switch speed is very fast, which saves human resources and time to a large extent.Not only that, but also remote centralize

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Reasons and treatment methods for valve not being closed tightly

Reasons and treatment methods for valve not being closed tightly

In the process of using the valve, there are often some problems that are puzzling, such as the valve is not tightly closed, what should we do? Under normal circumstances,if the valve is not closed tightly, check to see if the valve is closed in place,if

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