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    4" Stainless Steel Swing Check Valve, Horizontal

    Cheap 4" (DN100) horizontal check valve for sale online. It is a swing type check valve with 304/316 stainless steel and 200 WOG working pressure, BSP/BSPT/NPT thread for selection, designed for preventing pipeline backflow.
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    Delivery date: 6-12 days

    Buy a 4 inch swing check valve from to regulate and control the flow of fluid through your pipes. 304/316 stainless steel horizontal check valve, DN100, 200 WOG, can withstand high temperature and high pressure, used for the piping system to prevent backflow of water, oil and gas.


    • Model: ATO-H14W
    • Check Valve Type: Swing
    • Shape: Horizontal
    • Nominal Diameter: 4 inch (100mm)
    • 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: 8.12kg
    • 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
    100 96 237 136


    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: How to maintain a stainless steel swing check valve?

    To maintain a stainless steel swing check valve and ensure its longevity, it is important to perform regular maintenance and cleaning. Here are some steps to maintain a stainless steel swing check valve:

    • Inspection: Inspect the valve periodically for any signs of damage, wear or corrosion. Look for leaks, cracks,
      or any other issues that may impact the valve's performance.
    • Cleaning: Clean the valve regularly with a non-abrasive cleaner to remove any buildup or debris that may impact the valve's function. Use a soft cloth or brush to clean the valve, taking care not to damage the valve or its components.
    • Lubrication: Apply a lubricant to the valve's moving parts to ensure smooth operation. Use a lubricant that is compatible with stainless steel and that is recommended by the manufacturer.
    • Tightening: Check the bolts and nuts periodically to ensure they are properly tightened. Over time, they may loosen due to vibration, temperature changes or other factors, which can impact the valve's function.
    • Replacement: If the valve shows signs of damage or wear that cannot be repaired, it may need to be replaced. Consult the manufacturer's instructions for information on replacing the valve or its components.
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