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    3" Stainless Steel Swing Check Valve, Horizontal

    The provided 3" stainless steel swing check valve comes with DN80, 200 WOG working pressure and BSP/BSPT/NPT thread standard. Durable horizontal check valve is widely used in various pipeline projects such as water plants, papermaking, heating, refrigeration, petroleum, construction, etc.
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    High quality 3 inch (DN80) swing check valve for sale online. It is a non-return valve with 304/316 stainless steel, 200 WOG working pressure and optional BSP/BSPT/NPT thread, designed for preventing pipeline backflow.


    • Model: ATO-H14W
    • Check Valve Type: Swing
    • Shape: Horizontal
    • Nominal Diameter: 3 inch (80mm)
    • Working Pressure: 200 WOG
    • Product Material: 304/316 Stainless Steel
    • Connection Form: Thread
    • Thread Standard: BSP, BSPT, NPT
    • Temperature Range: -20°C~300°C
    • Weight: 4.2kg
    • Applicable Medium: Water, Oil, Gas, Nitric Acid, Acetic Acid


    Swing check valve dimension

    Main Part Materials
    NO. Part Name Materials QTY
    1 BODY CF8/CF8M 1
    2 DISC CF8/CF8M 1
    3 HANGGER PIN SS304/SS316 1
    5 CAP CF8/CF8M 1
    Dimension (Unit: mm)
    DN D L±1.5 H
    80 76.5 190 103


    A stainless steel swing check valve is a type of valve used to regulate the flow of fluids or gases in a pipeline. It is commonly used in applications where backflow prevention is necessary, such as in wastewater treatment plants, oil and gas refineries, and chemical processing facilities.

    Swing check valve applications

    Tips: Swing Check Valve Clogging & Backflow Troubleshooting

    Clogging: Swing check valves can become clogged with debris, which can impede flow and reduce the valve's efficiency. To troubleshoot this issue, inspect the valve and surrounding piping for any blockages or buildup of debris. If necessary, disassemble the valve and clean any debris from the internal components.

    Backflow: In some cases, swing check valves may fail to prevent backflow, which can occur due to improper installation or damage to the valve. To troubleshoot this issue, check the valve's orientation and ensure that it is installed in the correct direction of flow. Inspect the valve for any visible signs of damage, such as cracks or corrosion, and replace any damaged parts.

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