Backflow Prevention Articles

  • How to Eliminate Water Hammer When Pumping at High Velocities

    The Importance of Check Valves Check valves are common throughout industries where fluids are pumped through piping systems. These are passive, one-way valves, ensuring the flow of fluids before closing to prevent backflow conditions. Check valves are available in a wide range of sizes, materials and styles including swing, double-door, ball, diaphragm and duckbill types. They are simply ...


    By Proco Products, Inc.

  • Applications of porous titanium

    With its unique properties, porous titanium can be widely used in the pharmaceutical industry, water treatment industry, food industry, bioengineering, chemical industry, petrochemical, metallurgical industry and gas purification. It is a new material with broad development prospects. Typical uses include: - In the infusion of the pharmaceutical industry, small injections, eye drops, ...


    By Edgetech Industries LLC

  • Introduction and Type of Check Valve Animation

    The check valve animation is an automatic valve. It flows forward and closes in reverse flow. The valve is opened by the fluid pressure of the system and any flow reversal closes the valve. The exact operation will vary depending on the type of check valve mechanism. The most common types of check valves are swing, lift (piston and ball), butterfly, stop and swashplate.   Type of check valve ...

  • Advantages and Disadvantages to Solenoid Valves

    Solenoid Valves are used throughout a number of industries, due to the valve’s versatility. Solenoid valves can be used with either fluid or gas applications, making them favourable among a number of manufacturers. Solenoid valves use an electromechanical magnetic field which opens and shuts the valve, making the valve a reliable option for pneumatic and hydraulic systems. WHAT ARE ...


    By MGA Controls Limited

  • Strainer & Dirt Separator

    Strainers, dirt separators and backflow preventers are designed to prevent impurities from entering the specified pipe section. Comparing these three types of products, we can analyze from the following points: first, flow resistance. Many manufacturers tend to ignore this point and push the performance of the product to push the product's practicality. However, if the flow resistance fails to ...


    By ZhengFeng Valve Group

  • Wafer Check Valve

    The double plate china wafer check valve is used for the pure pipeline, industry, environmental protection, water treatment, high-rise building water supply, and drainage pipeline to prevent reverse flow of the medium. The disc check valve adopts wafer type, butterfly disc is two semicircular and adopts spring forced to ...


    By ZhengFeng Valve Group

  • Essex County Council - Case Study

    Background After fluvial and surface water flooding to residences in the Essex area, Aquobex was commissioned to carry out detailed surveys of the properties, including structural elements of listed and historic buildings. It was determined that only 300mm of each building’s ...


    By Aquobex Ltd.

  • WaStop prevents flooding on Meritt Island Case Study

    Problem: Brevard County converted two borrow pits into retention ponds for polluted stormwater collected from the Pine Island Canal. This waterway collects stormwater from a 5,970 acre drainage basin, including citrus groves and agricultural land, and deposits it into the Indian River. A method for allowing water to flow from the canal to the converted borrow pits and to ...


    By Wapro AB

  • Delivering automation to test stations - Case Study

    CeraMem Corporation is a developer of metal oxide gas concentration sensors in Waltham, MA. Their test engineers required mass flow controllers that were easy to intregrate and calibrate. They also demanded fast response and high accuracy in order to reduce test cycle length and improve the quality of the data. Test station requirements demanded that controllers were capable of adjusting ratios ...


    By Sierra Instruments, Inc.

  • Monitoring River Back-up - Case Study

    A research team working with a municipal client contacted StormSensor because they wanted to calibrate a model for a basin study in a flood- prone area along the Mississippi River. A preliminary four-Scute™ network was installed in September 2019. A few months into the study, sudden reverse flows and rapid increase in depth were detected across all monitoring points. After some quick ...


    By StormSensor Inc

  • The steel casing and pulling and driving machine

    In the process of drilling bored piles usually used steel casing, with 4mm-8mm thick steel plate   1, positioning;   ...

  • The steel casing and pulling and driving machine

    In the process of drilling bored piles usually used steel casing, with 4mm-8mm thick steel plate   ...


    By lydite trading company

  • Sanitary Check Valves Astonishing Features

    Sanitary check valves are mainly used to prevent the backflow of fluids. These valves only allow the flow in one direction. They are usually very small and simple.  As the name suggests, they are designed to maintain a high level of hygiene while maintaining a continuous flow of the medium. These valves are mainly used for highly viscous liquids such as gels and ice cream. ...


    By Adamant Valves

  • Preparing a Beachside City for Future Storm Events with Proco ProFlex™ Check Valves - Case Study

    Project: Post Hurricane Sandy Storm Drainage Update Location: Long Branch, New Jersey Contractor: Precise Construction Proco Products Agent: Valve Tech Sales Distributor: Atlantic Waterworks Long Branch is an oceanfront city of about 30,000 people in northern New Jersey. Much of the city ...


    By Proco Products, Inc.

  • Fascinating Features of Sanitary Check Valves

    Sanitary check valves are mainly used to prevent t ...


    By Adamant Valves

  • Facts about Evaluating Sanitary Check Valves

    The sanitary check valve is possibly the only best valve which can be used in your plant that can be operated without receiving any external assistance or giving any indication of the setting or about the condition. The special quality made the valve unique in the valve industry. Thus anyone can instigate to realize that this kind of valve is one apart from the ...


    By Adamant Valves

  • Proco Check Valves provide Better Diffusion Value on Sea Floor - Case Study

    Project: Marine WasteWater Outfall Diffusion Location: Istanbul , Turkey Owner: Water Authority of Istanbul Designer: Marine Consultants Group The Water Authority of Istanbul, which owns a biological wastewater treatment plant, serves a population of about 15 million people in the city of ...


    By Proco Products, Inc.

  • Sanitary Check Valves Principles and Parameters

    The sanitary check valve will open when the media flows forward and will close when the medium returns to flow. These are mainly automatic valves, whose main function is to prevent the backflow of the means, as well as to avoid the inversion of the pump and the drive motor and the release of the container means. It is also used for safety protection in auxiliary systems where ...


    By Adamant Valves

  • Why You Should Use Sanitary Ball Valves

    Sanitary ball valves are used in a wide range of applications involving high pressure. These valves are popular for two main reasons. First, they allow unrestricted total flow that does not allow any hardware restriction through the valve. Second, the valve can also be serviced without the complete ...


    By Adamant Valves

  • Introduction of Check Valve

    With the continuous improvement of high-tech development, valve conditions are also getting higher and higher. New valve products continue to enter the market, the upgrade of drive mode, changes of structures as well as temperature and pressure corrosion on the material requirements of the ...


    By Adamant Valves

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