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Products Built in duckbill valve

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Built in duckbill valve

The built-in duckbill valve can be used in sewage system, drainage system, dyke discharge, airport / Expressway Drainage, sewage pool discharge and odor barrier. All rubber structure, no rust or corrosion. ...

Product alias: Built in duckbill valve
Product specification:【 DN32mm-DN1800mm】
Connection mode: flange
Product certification: ISO9001-2008
Scope of application:【 Acid, alkali, corrosion, oil, hot water, cold water, etc.]

  • Product introduction
  • Product advantages
  • Product diagram
  • technical parameter
  • Ordering instructions

    Built in Duckbill valve All of them are used in drainage system, drainage system and drainage system. All rubber structure, no rust or corrosion. It will not deform or freeze in the open and closed state, and avoid backflow. It will not be suspended due to the accumulation of dregs, providing a tight seal. Application field discharge system (e.g. reservoir, large pump station, flood control system, etc.) using this product in large pump station (reservoir) can ensure that the discharged water will not flow back.

    The built-in duckbill valve is made of rubber material, which makes the product have the characteristics of corrosion resistance and no head loss. When applied to urban sewer system, the product can prevent the sewage from flowing back into the pipeline in rainy conditions, so as to prevent the sewage from overflowing in urban streets. For this system, our company specially designed a new installation method for installation. Some products can prevent the sewage from flowing back to the untreated pool when it is used in the sewage pool discharge. The overall rubber structure makes the opening and closing of the product not affected by foreign matters. This product can be used in places where large-scale drainage is needed, such as airports, expressways and parking lots. It can also be applied to the discharge of toxic treatment plants, such as hydrocarbon treatment plants. This product can solve the problem that the traditional clapper door can't be opened because of the block of stone and other garbage. Using this product in these places can avoid maintenance. Large scale places are used to drain residential areas, office areas and commercial shopping areas to discharge domestic sewage and rainwater, so as to prevent the sewage discharged into inland rivers from flowing back into the sewage pools in residential areas, office areas, commercial shopping and other places.
    The built-in duckbill valve is an ideal product for urban rainwater and sewage system. It has a rubber structure, corrosion resistance, long service life and good effect. It also provides tight sealing, prevents backflow and backflow, and does not need maintenance. It is an ideal check valve. However, the head loss increases compared with the original pipeline loss due to the reduction of inner diameter.
    It is made of rubber flange valve body and duckbill, and has a metal flange with gasket. It can be connected with metal flange naturally and can be directly installed on tank body, pipeline and cofferdam. When installing and connecting, the size of flange and connecting flange should be corresponding. Waterproof glue should be added between flange and connecting flange according to the specific situation to ensure the sealing after the connection is tight. Pay attention not to damage the flange lip of rubber blowdown check valve.

     Built in duckbill valve

    [product appearance and structural dimensions]
    Connection dimensions of double flange duckbill valve
    Nominal diameter (DN) Pipe outer diameter (DW) Model (xl-t) Length (L) Height (H) Flange outer diameter (d)
    Dw Do 1.0MPa
    one hundred one hundred and eight one hundred and eight HF100-150-NZ two hundred and twenty one hundred and fifty two hundred and ten
    one hundred and fourteen one hundred and fourteen
    one hundred and fifty one hundred and fifty-nine one hundred and fifty-nine HF150-200-NZ three hundred and twenty two hundred two hundred and sixty-five
    one hundred and sixty-eight one hundred and sixty-eight
    two hundred two hundred and nineteen two hundred and nineteen HF200-280-NZ four hundred and forty two hundred and eighty three hundred and forty
    two hundred and fifty two hundred and seventy-three two hundred and seventy-three HF250-360-NZ six hundred three hundred and sixty three hundred and ninety-five
    three hundred three hundred and twenty-five three hundred and twenty-five HF300-420-NZ seven hundred four hundred and twenty four hundred and forty-five
    three hundred and fifty three hundred and seventy-seven three hundred and seventy-seven HF350-480-NZ eight hundred and eighty four hundred and eighty five hundred and five
    four hundred four hundred and twenty-six four hundred and twenty-six HF400-540-NZ one thousand five hundred and forty five hundred and sixty-five
    four hundred and fifty four hundred and eighty four hundred and eighty HF450-600-NZ one thousand one hundred and twenty six hundred six hundred and fifteen
    five hundred five hundred and thirty five hundred and thirty HF500-660-NZ one thousand and three hundred six hundred and sixty six hundred and seventy
    six hundred six hundred and thirty six hundred and thirty HF600-760-NZ one thousand four hundred and twenty seven hundred and sixty seven hundred and eighty
    seven hundred seven hundred and twenty seven hundred and twenty HF700-880-NZ one thousand and six hundred eight hundred and eighty eight hundred and ninety-five
    eight hundred eight hundred and twenty eight hundred and twenty HF800-980-NZ one thousand and eight hundred nine hundred and eighty one thousand and fifteen
    nine hundred nine hundred and twenty nine hundred and twenty HF900-1100-NZ two thousand one thousand and one hundred one thousand one hundred and fifteen
    one thousand one thousand and twenty one thousand and twenty HF1000-1200-NZ two thousand and three hundred one thousand and two hundred one thousand two hundred and thirty
    one thousand and two hundred one thousand two hundred and twenty one thousand two hundred and twenty HF1200-1400-NZ two thousand five hundred and eighty one thousand and four hundred one thousand four hundred and fifty-five

    , d; FONT-WEIGHT: 400; BORDER-RIGHT: #000000 0.5pt solid; TEXT-DECORATION: none; mso-pattern: #CCFFFF none; mso-protection: locked visible" class=et9 height=19 width=67 x:num="1000">1000
    one thousand and twenty one thousand and twenty HF1000-1200-NZ two thousand and three hundred one thousand and two hundred one thousand two hundred and thirty
    one thousand and two hundred
    1. If the customer has special requirements for the product, the following instructions shall be provided in the order contract:
    (1) Structural length
    (2) Connection form
    (3) Nominal diameter, full bore, reduced diameter, pipe size
    (4) Service medium, temperature and pressure range
    (5) Our factory can make and design special products according to the special requirements of customers.
    2. Our factory can configure and design special products according to the special requirements of customers.
    3. If the customer provides the determined product type and model, the customer shall correctly explain the meaning and requirements of the model, and sign the contract under the condition that both parties understand and agree.

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Hu ICP Bei No. 10030623 copyright Shanghai Luoying pipeline equipment Co., Ltd Mirror image must be investigated