Why Peristaltic Chemical Dosing Pumps Are a Solid Choice for Treatment Applications

Specifying the proper chemical dosing pump for an application can be daunting, however, the process is simpler if you first acquire all application parameters. It’s important to consider such factors as the fluid to be pumped, the output volume required, and the pressure the pump will work against in the system.

Once all parameters are taken into consideration, the task of selecting the best pump option to ensure optimal performance and dependability becomes clearer and the decision is easier to make.

Peristaltic dosing

In both municipal and industrial water and wastewater treatment applications, peristaltic dosing pumps often prove to be the preferred technology.

Water treatment applications use chemicals such as sodium hypochlorite and peracetic acid, which are known to offgas and calcify. When diaphragm pumps are used in these applications, these chemicals can cause vapor locking and clogged valves. Meanwhile, peristaltic pumps are not affected by gas, air bubbles or particulates. Peristaltic technology allows the bubbles and particles to simply be moved through the system.

The Flex-Pro series

Blue-White Industries’ Flex-Pro M-2, M-3 and M-4 pumps have been solving problems and providing solutions in water and wastewater treatment applications for years. Flex-Pro peristaltic dosing pumps deliver the precision, function and dependability system designers and operators want and need. These units can handle the often aggressive and high-viscosity fluids commonly used in these applications.

Blue-White engineers designed ProSeries-M pumps to be rugged, efficient and technologically advanced while delivering precision chemical dosing and providing ease of use and service.

ProSeries-M units have two CNC-machined rollers and two alignment rollers for optimum squeeze and tube life. The single-piece, heavy-duty rotor means no flexing and increased accuracy, with no metal springs or hinges to corrode. Operators can set the pump to inject at maximum pressure in either direction — clockwise or counterclockwise.

The sturdy pump head cover is made of clear acrylic that has been annealed for added strength and chemical resistance. There are no tools required for pump-head-cover removal, allowing for quick and easy access during routine maintenance.

The electrical interface of all three ProSeries-M Flex-Pro pump models is an operator-friendly touchpad with menu-driven software. The VGA graphic, multicolor backlit LCD screen displays remote/local control status, motor speed, output rate, input signal values, service and alarm status. All electronics are easily accessible and are SCADA ready. The firmware is field upgradable.

ProSeries-M, M-2 and M-3 pumping units are equipped with Blue-White’s exclusive Flex-A-Prene pump head tubes. Multi-Tube is a multichannel pump tube assembly designed by Blue-White exclusively for ProSeries-M Flex-Pro peristaltic metering pumps. Multi-Tubes are engineered for optimum performance, excellent chemical resistance and long service life.

Flex-Pro pumps also are compatible with Blue-White’s all new CHEM-FEED chemical feed flowmeter, according to the manufacturer.

Finding the pump with the correct capabilities and desired features for your application will save time, money and energy. When you’re speccing out your application parameters, consider a peristaltic metering pump.


Blue-White Industries was founded in 1957 and is a leading manufacturer of metering pumps — diaphragm, peristaltic; flowmeters — variable-area, paddlewheel, ultrasonic; and water treatment accessories. The company has a CNC department with lathes, mills and saws; a pump department with diaphragm and peristaltic pumps, assembly and testing; and a new computer-enhanced flowmeter calibration facility. Its products serve a wide range of industries, including swimming pools and water parks, agriculture and irrigation, car washes, food processing, mining, and water treatment.

714-893-8529  |  sales@blue-white.com  |  www.blue-white.com



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