Refining and chemica···
Metallurgical indus···
Gas industry
LNG industry
Chemical industry
Power industry
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Structural features of pneumatic inlet drain valve
The pneumatic Y-type drain valve imported from Germany is especially suitable for the system of thermal power station as the connecting or cutting medium. Scope of application: drainage structure characteristics of main steam system in thermal power station system: the upper part of the valve is composed of valve cover and stuffing box, which is conducive to rapid disassembly and in-situ maintenance. The structure of the inclined valve stem and the shape design of the flow channel make the mediu
2022-04-16 11:50:06
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How to choose valves in chemical industry
Acetic acid: it is one of the more corrosive substances in organic acids. Ordinary steel will be seriously corroded in acetic acid at all concentrations and temperatures. Stainless steel is an excellent acetic acid resistant material. 316 stainless steel containing molybdenum can also be used for high temperature and dilute acetic acid steam. For high temperature and high concentration acetic acid or other corrosive media, high alloy stainless steel valve or fluoroplastic valve can be selected.
2021-12-08 14:46:52
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Knowledge of butterfly valve in application
The relationship between the opening of butterfly valve and flow basically changes in linear proportion. If it is used to control the flow, its flow characteristics are also closely related to the flow resistance of the piping. For example, the diameter and form of the valves installed in the two pipelines are the same, and the flow of the valves will be very different if the pipeline loss coefficient is different.
2021-12-08 14:45:06
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What is triple eccentric butterfly valve?
The three eccentric butterfly valve refers to the valve stem whose axis deviates from the center of the disc and the center of the body at the same time, and the rotation axis of the valve seat has a certain angle with the channel axis of the valve body. Triple eccentric butterfly valve is widely used in metallurgy, electric power, petrochemical industry, water supply and drainage, municipal construction and other industrial pipelines with medium temperature ≤ 425 ℃ for regulating flow and carry
2021-12-08 14:34:51
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Features and advantages of bottom valve
As the name suggests, the bottom valve is installed at the bottom of the reactor, storage tank and other containers for discharging. Due to the increasing level of automation, the bottom valve has also developed from manual control to automatic control. In addition to the original cut-off function, it can also be adjusted and controlled, and participate in interlocking control in key process places. Buse valve is now widely used in chemical, petroleum, metallurgy, pharmaceutical, pesticide, dye,
2021-12-08 14:28:14
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How to select the high-pressure differential control valve?
High pressure differential regulating valve is the terminal executive element in the industrial process control system. In the automatic control system of continuous production of industrial process, it is generally necessary to use regulating valve to control various process parameters in the process production, so as to adjust the parameters such as fluid pressure, temperature, flow and liquid level. It is usually called "hand and foot" in the automatic production of industrial proce
2021-12-08 14:26:44
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Structural features and working principle of butterfly valve
Butterfly valve is a kind of valve that uses circular butterfly plate as the opening and closing part and rotates with the valve stem to open, close and adjust the fluid channel. There are many kinds of butterfly valves, which are widely used. It is also the longest kind of valve we see on the pipeline. This article introduces the structural characteristics and working principle of butterfly valve. Structural features of butterfly valve butterfly valve has the advantages of simple structure, sma
2021-12-08 14:25:24
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What are the classifications of butterfly valves?
Butterfly valve, also known as flap valve, is commonly used in pipelines conveying various corrosive and non corrosive fluid media in engineering systems such as generator, gas, natural gas, liquefied petroleum gas, cold and hot air, chemical smelting, etc. it is used to regulate and cut off the flow of media. Working principle of butterfly valve butterfly valve is a valve that uses a circular butterfly plate as the opening and closing part and rotates with the valve stem to open, close and adju
2021-12-08 14:22:59
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What is the basic classification of ball valves?
The main features of the ball valve are: (1) the opening position and the floating position of the ball valve; (2) Locking device; (3) Anti flying structure of valve rod; (4) Anti static device; (5) Fireproof structure; (6) Unique valve seat sealing structure; (7) The middle flange (the connecting part between the valve body and the left valve body) has no external leakage
2021-12-08 14:11:01
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