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    Single Door Check Valve

    Port Size:DN50-400

    Pressure: 1.0Mpa~4.0Mpa

    Temperature of media: -29-400℃


    TAG: , ,


    Tel: +86-13849184495
    Fax: +86-371-55883235
    E-mail: weisidun@wsdvalve.com
    Address: ZhengZhou,HeNan,China.

    What is a single door check valve?

    The single door check valve, also known as the single plate check valve, is a common type of check valve. The main function of the single door check valve is to prevent the backflow of the medium when the direction of flow changes and ensure the normal operation of the pipeline system and equipment.

    The single door check valves have a solid thermoplastic body and a very thin “disc” profile, making them ideal for valve applications requiring short nozzle lengths. This check valve combines several excellent characteristics to make it different from the traditional check valve, perfectly realizing the silent, fast, and non-attack operations. The most prominent of these are the high precision machining of the clapper and the quick operation of the closing action.

    Advantages of single door check valve

    1. Prevent fluid backflow

    The main function of the single door check valve is to prevent media backflow and protect the normal operation of pipeline equipment.

    2. Low-pressure drop

    Compared to other types of check valves, single door check valves have much less pressure drop and valve closing impact and do not affect the pipeline flow.

    3. Stable operation

    During the operation of the single door check valve, the discs are closed quickly, the water hammer pressure is small, and the phenomenon of water hammer will not occur. It can ensure the stability of pipeline operation, long service life.

    4. Easy to install and maintain

    The overall structure of the single door check valve is simple and small, which is easy to install and maintain.

    5. Wide range of application

    Single door check valve is suitable for pipeline systems of various media, such as water, oil, gas, etc.

    6. Convenient maintenance

    Single door check valves are easy to remove and maintain. You only need to unscrew the nut and remove the valve for maintenance and replacement.

    7. Small volume and light weight

    Single door check valve has a short structure length, and its structure length is only 1/4 ~ 1/8 of the traditional flanged check valve.

    Its weight is only 1/4 ~ 1/20 of the traditional flanged check valve.

    WESDOM  advantages

    1. WESDOM patent products, patent certification
    The product side flanges comply with national, German, Russian, American, British and Japanese standards and other domestic and international standards for multiple pressures, easy connection and wide adaptability, which can reduce the type of purchase and stock.

    2. The product has an independent identity to ensure traceability
    Each wesdom product has its own unique identification number, to ensure product traceability.

    3. Provide material inspection report
    All wesdom products can provide the material inspection report of the main parts.

    4. One-stop service
    One-stop service, we not only supply high quality products, also supply solutions and after-sales service.

    5. WESDOM has a lot of project experience
    We have a lot of project experience in countries such as Pakistan and the Philippines, WESDOM has always been noticed all over the world, and trust comes from quality.

    Quality control process

    quality control process quality control process

    quality control process


    Single Door Check Valve

    DN L PN10 PN16 PN25 PN40
    D D D D
    50 14.5 22 109 109 109 109
    65 14.5 22 129 129 129 129
    80 14.5 22 144 144 144 144
    100 14.5 24 164 164 170 170
    125 16 26 194 194 198 198
    150 19 29 220 220 228 228
    200 29 43 275 275 288 293
    250 29 43 330 333 343 355
    300 38 50 380 388 403 420
    350 41 52 440 448 460 480
    400 51 62 493 498 52 549

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