Slow and Easy

A valve exercising initiative using automated equipment helps a Michigan city correct valve problems and reduce service disruptions
Slow and Easy
Steve Wolff of Wachs Water Services uses the ERV-750 automated valve operator and TDS Recon handheld microprocessor to exercise a valve on a 16-inch water transmission main. The arm extends 13 feet and produces 750 foot-pounds of torque.

The City of St. Joseph, Mich., had valves on two 16-inch water transmission mains and on 20- and 30-inch transmission mains that had not operated for 35 years.

The city also maintains the Southwest Michigan Water and Sewer Authority distribution systems, serving three townships and...

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