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Where should the check valve be installed?

Where should the check valve be installed?

A check valve, also known as a non-return valve, is a fully automatic valve. It uses the working pressure of the flowing medium in the pipeline to actuate the piston valve, completing the opening and closing of the valve. When the medium stops flowing and the check valve piston valve closes, it can effectively prevent backflow of the medium in the pipeline, which is very effective in ensuring pipeline safety.

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Key points for selecting pneumatic ball valves

Key points for selecting pneumatic ball valves

In modern automatic control systems, pneumatic ball valves are widely used pneumatic actuators. Through pneumatic actuators, the control signal drives the ball valve to open and close, thus completing the on-off or regulating control of the medium in the pipeline. So what should be paid attention to when selecting a pneumatic ball valve? Below, Kovina Bianxiao will tell you the key points of pneumatic ball valve selection.

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Floating ball valve structural characteristics

Floating ball valve structural characteristics

The opening and closing of valves are often confirmed by the position of the handle. The handle is parallel to the pipe when the valve is open, and perpendicular when it is closed. However, the connection between the handle and stem of an ordinary ball valve is flat and square, which can easily lead to misoperation of the valve due to incorrect connection between the handle and stem. 工开阀浮动球 (This phrase could not be translated due to insufficient context.)

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Installation and maintenance of ball valves

Installation and maintenance of ball valves

Pre-installation preparation: The pipelines before and after the ball valve are ready. The pipelines before and after should be coaxial, and the two flange sealing surfaces should be parallel. The pipeline should be able to withstand the weight of the ball valve; otherwise, appropriate supports must be provided on the pipeline.

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