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How To Choose The Flow Characteristic Of The Electric Control Valve?
The flow characteristic of electric control valve includes ideal flow characteristics and working flow characteristics. The flow characteristic provided by the general manufacturing factory is the ideal flow characteristic, but the practical application needs is the workflow characteristic. As th...Read more -
What Is Water Hammer Effect?
Water Hammer effect refers to the phenomenon of pressure fluctuation and vibration caused by the rapid change of fluid flow in the closed pipeline system (including pump) , just like a hammer made of water. Its instantaneous pressure can greatly exceed the normal pressure, and often have destruct...Read more -
Working Principle And Maintenance Method Of Pneumatic Butterfly Valve
Working principle Of Pneumatic Butterfly Valve The disc of the butterfly valve is installed in the diameter direction of the pipe. In the butterfly valve body cylindrical channel, the disc around the axis of rotation, the rotation angle of 0-90°, rotation to 90°, the valve is in full open state. ...Read more -
10 Common Questions That Client Asked About Valves
In the conversation with customers, we often encounter a variety of problems, such as the valve is not tight, the valve block and so on. We’ve spent some time sort out 10 common questions that we hope will help you better understand valves and make a better selection. 1. What is the differe...Read more -
6 Types Of Valve Corrosion And 4 Types Of Anti-Corrosion Measures
Valve corrosion is one of the main causes of valve failure, corrosion can be divided into six types, namely, electrical corrosion, high temperature corrosion, crevice corrosion, pitting corrosion, intergranular corrosion and friction corrosion. During corrosion, chemical or electrochemical reacti...Read more -
What Valves Used In Sewerage System?
Definition of Sewage Treatment Sewage Treatment: the process by which sewage is purified to meet the quality requirements for discharge into a body of water or reuse. Sewage treatment is widely used in construction, agriculture, transportation, energy, petrochemical, environmental protection, urb...Read more -
6 Valves Commonly Used In Power Plants
In the thermal power industry, the use of power station control valve is more special. Power flow is only water, steam cycle process, but in this process the selection of control valve is simple and complex. Simple means the process medium is simple, only water and steam two kinds, complex means ...Read more -
Working Principle Of Fireproof Valve
The working principle of the Fire-proof Valve is to use the temperature of easily fusible alloy to control the opening, and to close the valve by the action of gravity and spring mechanism. When the fire occurs, the flame invades the air passage, the high temperature causes the fusible alloy on t...Read more -
5 Tips On How To Install And Inspect Pneumatic Control Valve
Pneumatic Control Valve also named Pneumatic Regulating Valve and Pneumatic Diaphragm valve. The Pneumatic Control Valve is a very important control equipment in industrial production. Whether it works normally or not is directly related to the production of the whole device. At present, with the...Read more -
Difference Between Electric Gate Valve and Electric Globe Valve
Electric gate valve and the electric globe valve is the high-tech valve product recently. It could help you fluid control automatically. Helping you increase productivity and helping to save time. 1. Different Sealing Surfaces When the gate valve is opened and closed, the valve core and the seali...Read more -
Maintenance Principles Of Valve
The maintenance principles of valve are as follows: 1. Keep valve exterior and actuated area clean to protect valve paint integrity. The surface of the valve, the trapezoidal threads on the valve stem and the valve stem nut, the sliding part of the valve stem nut and the support, and the gears, w...Read more -
How To Prevent Valve Corrosion?
COVNA, an automation solution provider. We focus on manufacturing actuator valves since 2000. Corrosion is one of the important factors causing valve damage, therefore, in the use of valves, corrosion protection is the first consideration. Principle Of Valve Corrosion The corrosion of metals is m...Read more
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