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How to Clean the Swing Check Valve

481 views Source: VALTEC China Valve Manufacture CO.,LTD

Swing check valves are used to prevent backflow of media in the pipeline. When the pressure reaches zero, the valve closes completely to prevent backflow.

How to Clean the Swing Check Valve

Swing check valve working principle

Before cleaning the swing check valve we need to understand the working principle of swing check valve: The disc swings off the seat to allow forward flow and when the flow is stopped, the The shut-off characteristics of this valve can be affected by the weight of the disc and return flow.

The swing valve can be used in a variety of applications. For example, it is often used to control flow of water from a faucet to a sink. It is also used as a flow control valve in an air conditioner to regulate the amount of air that is allowed to flow through the air conditioning system.

Swing check valve cleaning and maintenance

The swing check valve does not require much maintenance. They are considered to last longer. However, some common problems cannot be ruled out, and failure to maintain and clean them in a timely manner can lead to leaks, serious line shutdowns and expensive repairs, so it is important to catch them early. Problems.

  1. To prevent damage to the swing check valve, keep the valve clean by wiping away dust and dirt regularly.
    • Check for any leaks.
    • If leaks are severe, replace the valve.
    • Look for any signs of corrosion, rust, and wear.
    • Check the pressure and temperature of the fluid flowing through the valve.
    • Make sure the parameters are within the limits of the valve.
  2. Clean the removed valve by overhauling it, thoroughly cleaning all parts with hydraulic fluid or whatever medium is used. Inspect for debris and scratches. Inspect the valve for corrosion, wear, or rough surfaces. Make them smooth, lap, and assemble them back together.
    • Keep piping and valves clean and free of debris, by adding filters and covers where appropriate. Periodic piping system flushing can also be performed to remove settled debris and minimize contaminant deposits.
    • Lubricate the valve. Check valves consist of several moving parts; therefore, reducing friction between these parts through lubrication can extend the life of valve components, improve overall efficiency, and ensure efficient operation.

Proper and regular preventive maintenance is the key to preventing check valve failures and ensuring valve life. For more specific instructions or advice, feel free to contact VALTECCN, a check valve supplier and manufacturer.

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