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COVNA Boiler Safety Valve
As a valve with important protection function, safety valve is widely used in various pressure vessels and piping systems, which can be automatically opened when the system reaches the upper limit of the specified pressure bearing value Discharge the excess medium out of the system, and after t...Read more -
How To Clean, Grind And Inspect Valves?
Valve grinding includes the cleaning and inspection process, grinding process and inspection process. 1. The Cleaning And Inspection Process Cleaning the sealing surface in the oil pan, using professional cleaning agent, while washing the damage of the sealing surface inspection. Micro-cracks whi...Read more -
The Difference Between Hydraulic Actuator, Pneumatic Actuator And Electric Actuator
At present, the valve system is mostly used by pneumatic actuators, electric actuators and electro-hydraulic actuators. According to the characteristics of the three actuators, we analyze their application in the valve system: Pneumatic System: The pneumatic system relies on the Air compressor, w...Read more -
Comparison Table of Nominal Diameter (DN) And Pipe Size
For the first time contact with the nominal diameter of the pipe, the word is a bit unpredictable. In general, the diameter of the pipe can be divided into external diameter, internal diameter, nominal diameter. The Meaning of De、DN、D、d、Φ De (External Diameter) means pipe outside Diameter, P...Read more -
How To Realize Industrial Automation?
With the development of the global economy and the improvement of industrial level, and the strict control requirement of industrial parameters, more and more industries begin to pursue automatic control. They will use electric actuator butterfly valve, electric actuator ball valve, electric cont...Read more -
Function Of Pneumatic Valve Positioner
Valve Positioner Configuration: Valve positioners can be divided into pneumatic valve positioners, electro-pneumatic Valve positioner and intelligent valve positioner according to its structure and working principle. The valve positioner can increase the output power of the regulating valve, red...Read more -
Working Principle Of Electric Globe Valve
How Electric Globe Valves Work: An Electric Globe valve is a valve with an electric actuator driving the stem up and down to drive the valve head so as to change the distance between the disc and the seat to achieve open and close control. It is mainly used to cut off or distribute the flow direc...Read more -
3 Ways About How To Maintenance The Wafer Electric Butterfly Valve
The following 3 kinds of faults may occur in the daily use of the wafer type electric butterfly valve due to improper operation: valve can not change direction or change direction slowly, gas leakage, solenoid pilot valve failure. (1) The Wafer Type Electric Actuator Butterfly Valve Can Not Chang...Read more -
Working Principle And Installation Requirements Of Pressure Reducing Valve
Pressure Regulator Valve is also named the pressure reducing valve. Pressure reducing valve is widely used in fire water supply and automatic sprinkler systems. Today, we will learn the working principle of pressure reducing valve and its setting requirements. 1. HOW IT WORKS 1) Pilot Operated Pr...Read more -
Why To Choose Electric Actuator Valve According To The Working Environment?
The electric control of electric actuator valves has been improved continuously because of the requirement of industrial automation level. On the one hand, the use of electric actuator valve is more and more, on the other hand, the control requirement of electric actuator valve is higher and high...Read more -
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
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