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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 -
Select Valve According To Flow Characteristic
Selection of valve first to master the performance of the media, flow characteristics, as well as temperature, pressure, flow rate, flow, and other performance, and then, combined with the process, operation, safety factors, select the corresponding type, structure, type and specification of the ...Read more -
5 Common Faults Of Pneumatic Actuator Ball Valve And The Treatment Methods
The fault processing speed and accuracy of pneumatic actuator ball valve determine the extent of production equipment affected, maintenance personnel’s responsibility is to quickly and accurately determine and deal with the fault site, so as to minimize the production affected losses. The ...Read more -
Safety Requirements For Safety Valves
Safety Valve is one of the three indispensable safety accessories on the boiler. It plays an important role in controlling the pressure limit value and protecting the boiler. When the pressure in the boiler rises above the specified value, the safety valve automatically opens to relieve pressure ...Read more -
11 Basic Knowledge Points About Valve
1. The basic parameters of the valve are: Nominal pressure PN, nominal diameter DN 2. The basic function of the valve: cut off the connecting medium, adjust the flow, change the flow direction 3. The main ways of valve connection are: Flange, thread, welding, clamp, wafer 4. Valve pressure: diffe...Read more -
Installation And Maintain Of High Pressure Solenoid Valve
High-pressure solenoid valve is a very widely used product in fluid transportation equipment. It is usually used in conjunction with pipelines, pumps and other fluid transportation equipment. Widely used in spray systems, car wash systems, etc. In this article, we will show you how to install a h...Read more -
Characteristics And Application Of Pneumatic Actuator Ball Valve
Pneumatic Actuator Ball Valve is composed of ball valve equipped with pneumatic actuator. The pneumatic actuator is divided into double-acting pneumatic actuator and single-acting pneumatic actuator. Pneumatic Ball Valve can realize intelligent control, quickly open or close the pipeline, can eff...Read more -
5 Characteristics Of Solenoid Valve
Solenoid valve is the comment used valve. They have various types for choose. Available in high-temperature type, high-pressure type, anti-corrosive type, waterproof type. Any demand for valve, feel free to contact us at sales@covnavalve.com (1) Zero Leakage And Safe Internal and external leakage...Read more
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