Gain a thorough understanding of the applications of scraper flowmeters.

　　Gain a thorough understanding of the applications of scraper flowmeters.

　　The scraper flow meter, designed with a specialized approach, can transport liquids at high precision and throughput within a relatively short time. This ability to accurately measure and control the flow rate is known as "metrological verification." Due to this unique capability, many different types of devices—regardless of their specific design—can be classified as scraper flow meters. However, most scraper flow meters are categorized into those controlled by magnetic fields, mechanically actuated systems, or hydraulically driven mechanisms. Typically, scraper flow meters feature user-friendly controls, such as a main dial, touch panel, or other interface options, allowing operators to easily set, optimize, and even program the desired flow rates. Below, we’ll explore the fundamental principles behind the applications of scraper flow meters.

　　Scraper Flow Meter Specifications and Models

　　Scraper flowmeters are divided into two main categories, depending on which system is used to regulate the valve. The first type is the camshaft scraper flowmeter, which adjusts the valve based on the motor’s speed—typically ensuring a consistent volume of liquid is delivered with each rotation. The second type is the LB-style scraper flowmeter, which can maintain a steady liquid flow regardless of engine speed, usually by adjusting either the stroke length of the four-stroke cycle or the amount of bypassed liquid.

　　Pros and Cons of Scraper Flow Meters

　　Because they deliver highly accurate total flow rates, scraper flowmeters are primarily used for transporting small volumes of liquid. In fact, most scraper flowmeters are calibrated based on their capacity to move gallons per minute, rather than the industry-standard gallons per hour. This exceptional precision makes scraper flowmeters ideal for a wide range of complex operational processes.

　　The scraper flowmeter can handle fluids ranging from thin and liquid to highly viscous, and it’s even capable of moving corrosive substances depending on its design. Its ability to precisely control flow rates also makes it particularly advantageous when transporting expensive or hazardous liquids. However, this type of flowmeter isn’t well-suited for applications requiring the rapid movement of large volumes of fluid over short periods. Additionally, they’re generally not recommended for handling most types of gases.

　　Application of scraper flowmeters

　　A common application of scraper flowmeters is found in chemical plants, water treatment facilities, the food industry, and other fields where precise flow measurement is critical. This includes daily tasks such as monitoring water in heating systems commonly used in closed cooling towers, or performing oxidation treatments on domestic water supplies. Other applications range from wastewater management to liquid mixing operations in food factories—tasks that help minimize energy losses after equipment moves crude oil or liquefied natural gas—along with numerous other uses.

　　Additional information about the relevant scraper flowmeter

　　Scraper flowmeters are commonly used for chemical metering in process and agricultural industries. These meters can be manually or electronically controlled via stroke adjustment, making them suitable for both high- and low-pressure applications. For more information about our product line of flowmeters—plus the latest updates on their technology and applications—please visit our company website.