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12-30

Introduction of installation and method of pneumatic control valve

Pneumatic control valve by the common pneumatic actuator and control valve connection after installation and commissioning of the combination. Pneumatic control valve installation and debugging is extremely important, this paper mainly introduces the pneumatic control valve installation details and skills: the installation process should always comply with the pneumatic control valve installation counseling and attention points.

Introduction of installation and method of pneumatic control valve

12-24

Pneumatic control valve in the maintenance of what steps

Clean the outer surface of the valve, and clean it with compressed air or fuel oil. Check and record the valve nameplate, other signs, important information, etc. Be careful to disassemble the various parts of the valve in order. Use kerosene when cleaning parts.

Pneumatic control valve in the maintenance of what steps

12-18

What is the function of intelligent electric control valve

The intelligent electric control valve uses the energy of the medium itself to be adjusted to directly schedule and control the temperature of the medium such as steam, hot water, hot oil and gas, and can also be used to prevent overheating or heat exchange places. The valve has simple structure, convenient operation, wide temperature adjustment range, fast response time, good sealing performance, and can stop scheduling at will during operation, therefore, it is widely used in hot water supply in chemical, petroleum, food, textile, hotels and restaurants.

What is the function of intelligent electric control valve

12-11

Installation steps of several sealing butterfly valves

Electric hard seal butterfly valve using the principle of three-dimensional eccentric planning, so that the sealing surface of the space trajectory to reach the ideal, sealing surface without friction between each other, no intervention, coupled with the sealing material selected properly, so that the butterfly valve sealing, corrosion resistance, high temperature resistance and wear resistance have been reliably ensured, which has been widely used. Let's talk about the equipment steps of the electric hard seal butterfly valve.

Installation steps of several sealing butterfly valves

12-04

Anti-seepage measures of electric control valve

Electric control valve factory preferential price 1689 yuan 1 double groove slide valve (small, large, adjustable) electric control valve factory preferential price 1389 yuan 2 double groove slide valve (large, adjustable control valve) electric control valve factory preferential price 1489 yuan 3 single groove slide valve (large, large, adjustable) electric control valve factory preferential price 1989 yuan 4 single groove slide valve (large, large, adjustable) electric control valve factory preferential price 1289 yuan 5 upgrade oil products when supplying new oil to the main drainage pipeline, the main pipeline that should be supplied with new oil should be analyzed from the aspects of physical blockage of dirt on the surface of the air compressor through judgment, water and electricity connection pipes and maintenance, and joint connection parts, and the leakage prevention method of the electric control valve should be confirmed.

Anti-seepage measures of electric control valve

11-25

Several anti-corrosion methods for valve parts

As we all know, the corrosion damage of metal has a considerable impact on the effect period, reliability and service life of the valve. The effect of mechanical and corrosion factors on the metal greatly increases the total amount of wear to the touch. Valve in the operation process, the friction of the appearance of the total amount of wear. During the operation of the valve, the appearance of friction causes wear and damage as a result of simultaneous mechanical effects and chemical or electrochemical interactions between metals and the environment. For the valve, the working climate conditions of the pipeline clutter; oil, natural gas and oil layer water and other media in the presence of hydrogen sulfide, carbon dioxide and certain organic acids to the metal appearance of the damage increased, thus quickly lost the ability to work.

Several anti-corrosion methods for valve parts

11-19

Precautions for the use of pneumatic valves

Pneumatic valves are valves driven by tight air. Pneumatic valve acquisition only clear specifications, categories, pressure to meet the acquisition requirements of the practice, can be used to control air, water, steam, all kinds of corrosive media, mud, oil, liquid metal and radioactive media and other types of fluid activities.

Precautions for the use of pneumatic valves

11-13

Adjustment method of regulating valve

The standard products produced by the regulating valve generally adjust the spring within the range of the standard assembly, that is, the starting pressure Pi of the spring, and the deformation of the spring in the full stroke range Pr, and if the regulator is used to control the full stroke, there is no output force. Therefore, the regulating valve should be adjusted in the equipment to satisfy the process requirements. Some use factory, because of the lack of adjustment of common sense, improper adjustment, so that the valve can not be closed, can not open, so introduce the adjustment method.

Adjustment method of regulating valve

11-03

What is the manufacturer's introduction of regulating valve

In the automatic control of modern factories, regulating valves play a very important role, and the consumption of these factories depends on the correct distribution and control of the active medium. These manipulations, whether energy communication, pressure drop or simple container feeding, require some final control element to complete. The regulating valve acts as a variable resistance in the pipeline.

10-28

Installation principle of electric control valve

The equipment orientation, height and import and export direction of the valve must meet the requirements of the port direction planning, and the connection should be firm and tight. The end of the valve may be coupled to the pipeline in various ways. One of the first connection method is thread, flange and welding connection. When flange connection, if the temperature exceeds 350 ℃, due to the creep of bolts, flanges and gaskets, high temperature resistant bolt materials should be selected.

Installation principle of electric control valve

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