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  • Cast Steel Check Valve
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    ANSI Cast Steel Check Valve

    Diameter: DN25—DN800

    Pressure: 150LB,300LB,600LB

    Temperature: ≤425℃

    Medium: Water, Oil

    Body Material: Cast Steel, SS304,SS316

    Connection: Flange


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

    What is swing check valve?

    The swing check valve is a valve installed on the pipeline, which is mainly used to prevent fluid return. The disc of swing check valve is fixed on the seat, when the medium flows through the valve, the disc is pushed to open and the medium smoothly through; when the medium flow is stopped, the disc is automatically closed to prevent media return.

    The swing check valve can be divided into the following categories according to the material:

    1. Cast iron swing check valve: It mainly uses gray cast iron or ductile iron. The price is relatively cheaper and suitable for general low-pressure, low-temperature pipeline systems.

    2. Stainless steel swing check valve: The main material is stainless steel, which can have good corrosion resistance. It is suitable for pipeline systems with high pressure, high temperature, and corrosive media, such as chemical industry, oil, and other industries.

    3. Carbon steel swing check valve: It is mainly made of carbon steel material, which has good mechanical properties and is suitable for pipeline systems with low temperature, low pressure, and non -corrosive media.

    In general, swing check valves are suitable for different temperature, pressure and media environment according to the material. According to the actual application requirements, the selection of appropriate materials can improve the reliability and stability of the pipeline system.

    Advantages of swing check valve

    1. Prevent fluid backflow

    The disc of the check valve is in close contact with the seat, which can prevent the backflow of the medium in the pipeline and protect the safe operation of the pipeline and equipment.

    2. Good mechanical performance

    The strength and hardness of carbon steel are relatively high, so the carbon steel swing check valve has good mechanical properties and can withstand greater pressure and impact.

    3. Good wearresistance

    The wear performance of carbon steel is better, so the carbon steel swing check valve can protect

    the valve and seat to a certain extent and extend the service life.

    4. Strong corrosion resistance

    The carbon steel swing check valve is made of high quality materials. To a certain extent, it can resist the erosion of non -strong acid, weak alkali and other media, and has good corrosion resistance.

    5. Higher cost performance

    Compared with the swing check valve of stainless steel and other materials, the price of carbon steel swing check valve is more affordable, and it is more suitable for small and medium-sized pipeline systems.

    6. Simple structure and convenient installation

    The swing check valve consists of simple components such as body, disc, seat, and stem. The structure is simple, the volume is small, and the assembly and maintenance are easy. It is very suitable for some limited pipeline systems in some venues.

    7. Wide range of application

    The swing check valve can be applied to water, oil, gas and other fluids, and it is widely used in urban drainage, metallurgy, pharmaceutical, chemicals, and mines.

    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

    Parameters

    Swing check valve

     

    Nominal Pressure Specifications Size(mm)
    PN(MPa) inch DN L D D1 D2 b Z-d H
    150Lb 1 25 127 108 79.5 51 12 4–15 90
    1 1/2 40 165 127 98.5 73 15 4–15 115
    2 50 203 152 120.7 92 16 4–19 150
    2 1/2 65 216 177.8 139.7 104.7 18 4–19 160
    3 80 241 190.5 152.4 127 19 4–19 180
    4 100 292 229 190.5 157 24 8–19 220
    5 125 330 254 216 185.7 26 8–22 280
    6 150 356 279 241.3 216 26 8–22 340
    8 200 495 343 298.5 270 29 8–22 400
    10 250 622 406 362 324 31 12–25 460
    12 300 698 483 432 381 32 12–25 530
    14 350 787 533 476.3 413 35 12–29 580
    16 400 864 597 540 470 37 16-29 600
    18 450 978 635 578 533.4 40 16-32 650
    20 500 978 698.5 635 584 43 20-32 700
    24 600 1295 813 749.3 692 48 20-35 780
    28 700 1448 927 863.6 800 72 28-35 850
    30 800 1524 984 914.4 857 75 28-35 920
    300Lb 2 50 267 165 127 92 23 8–19 170
    2 1/2 65 292 190.5 149.4 104.7 26 8–22 180
    3 80 318 210 168.2 127 29 8–22 210
    4 100 356 254 200.2 157 32 8–22 290
    5 125 400 279 235 185.7 35 8–22 290
    6 150 444 318 270 216 37 12–22 350
    8 200 533 381 330 270 42 12–25 430
    10 250 622 445 387.5 324 48 16-29 480
    12 300 711 521 451 381 51 16-32 550
    14 350 838 584 514.5 413 54 20-32 620
    16 400 864 648 571.5 470 58 2035 650
    18 450 978 711 628.7 533.4 61 24-35 690
    20 500 1016 775 685.8 584 64 24-35 740
    24 600 1346 914.4 812.8 692 70 24-41 800
    28 700 1499 1035 939.8 800 86 28-45 860
    30 800 1594 1092 997 857 92 28-48 980
    600Lb 2 50 292 165 127 92 26 8–19 190
    2 1/2 65 330 190.5 149.4 104.7 29 8–22 210
    3 80 356 210 168.2 127 32 8–22 230
    4 100 432 273 216 157 38 8–25 300
    5 125 508 330 266.7 185.7 45 8–29 310
    6 150 559 356 292 216 48 12–29 370
    8 200 660 419 349 270 56 12-32 450
    10 250 787 508 432 324 64 16-35 500
    12 300 838 559 489 381 67 20-35 570
    14 350 889 603 527 413 70 20-38 640
    16 400 991 686 603 470 77 20-41 570
    18 450 1092 743 654 533.4 83 20-44 710
    20 500 1194 855 724 584 89 24-44 760
    24 600 1397 1040 838 692 102 24-52 830

     

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