VOLUME 2.1 ISSUE

Walchem Takes Guesswork Out of the Disinfection Process

WDIS Series Controller
Assure Proper Disinfection with a Walchem WDIS Controller

RHFS offers the Walchem WDIS Series Controller to reliably and economically control your water treatment disinfection processes. There are no reagents, and the user may select from four sensor inputs: Free Chlorine, Chlorine Dioxide, Ozone and Peracetic acid. Designed to be fl exible and versatile, the WDIS Series controller and complementary sensors are an ideal disinfection solution combination for food & beverage, drinking water & many food-processing applications.

Sensors are long-lasting amperometric electrodes with rugged membranes, featuring integrated temperature compensation and large openings in fl ow cell to prevent clogging. Controller features a probe wash relay mode to allow for automatic sensor cleaning and/or continuous operation in harsh environments.

The WDIS Series controller continuously monitors the disinfection process, offering precise control to the prescribed range required for proper system and regulatory compliance. Display status at a glance without interrupting control. Outputs can be confi gured as high or low set points via keypad. Auxiliary outputs may be set as Hi or Low alarms, In-range output, Out-of-range alarm, and Probe wash.

Contact your local RHFS service center at 1.800.848.1141 for more information.

RHFS Pulse Tech Notes

Microza® Protects Against Water-Borne Contaminants

Conventional water treatment upstream of nanofiltration and reverse osmosis systems can include sand filtration, flocculations, ion exchange resins and cartridge filtration. For a more economical and reliable approach, Pall has developed a compact system that uses Microza Hollow Fiber modules for the replacement of most conventional water treatment steps upstream of reverse osmosis or nanofiltration. The modules are available in Microfiltration or Ultrafiltration grades to meet the application requirements.

Since membrane technology provides a positive barrier, the Microza LGV modules provide a much higher security against waterborne contamination than traditional systems. The hollow fiber membranes have low fouling characteristics and are mechanically strong so that they can be backflushed to ensure stable operation. The quality of the filtered water meets requirements and remains stable even if the raw water quality is variable. The hollow fibers remove oxidized iron and manganese and organic contaminants. They provide exceptional security for microbial contaminants such as molds, cysts and viruses.

For more informaiton, call 1.925.443.980

A MESSAGE TO OUR CUSTOMERS

At Ryan Herco Flow Solutions, we strive to deliver prompt, reliable service at every opportunity. Flexible business systems help us meet specific customer requirements and apply them consistently. Our team is encouraged and empowered to assure your complete satisfaction. We are committed to being your distributor of choice for fluid process and high value filtration needs.

THE RHFS PULSE is published quarterly to keep you informed on fluid flow innovations.
Industrial Editor
Frank Schollmeier

fschollmeier@rhfs.com
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