Whether the valve needs to be installed with the principle and setting of the bypass valve
December 23, 2020

We occasionally see relatively large valves in some pipelines and always install bypass valves. Why ...

Description of valve bearing direction and installation direction requirements
December 21, 2020

As the name implies, the pressure of the valve refers to the pressure that the ...

The difference and selection of electric wafer butterfly valve and electric flange butterfly valve
December 15, 2020

As one of the most common valves in pipelines, the electric butterfly valve is used ...

Work hard and live happily-a review of the team building activities in the first quarter of 2020 in COVNA
December 11, 2020

 Last weekend, COVNA team went to the group travel in Qingyuan, Guangdong Province, as the ...

Types and classifications of butterfly valves
December 7, 2020

Butterfly valves can be divided into offset plate type, vertical plate type, inclined plate type ...

How to judge whether the valve is internal leakage or external leakage?
November 27, 2020

In the daily use of valves, various failures are often encountered. Valve leakage is the ...

Working principle diagram of pneumatic film three-way regulating valve
November 25, 2020

Pneumatic film three-way control valve can be divided into two modes of action: converging and ...

The difference between electric shut-off valve and pneumatic shut-off valve?
November 23, 2020

The biggest difference between an electric shut-off valve and a pneumatic shut-off valve, as the ...

Working principle diagram of swing check valve
November 19, 2020

Swing check valve, also known as check (flow) valve, is an automatic valve used in ...

Butterfly valve use principle and installation instructions
November 17, 2020

The relationship between the opening of the butterfly valve and the flow rate basically changes ...

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