Focus On Troubleshooting Water Softeners   Water Quality Products March 2003
Water Quality Products went in search of an expert to bring you the top troubleshooting tips for valves. The search led to Jay Runkle, employed in technical services at Pentair Water Treatment. According to Runkle, issues quickly can be sorted out if you know what to look for. Here are Runkle?s top 10 dilemmas, accompanied by probable causes and suggested antidotes.
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New Valves Maintain Piping System Integrity at High Temperatures, Provide Increased Chemical Reaction Time   Water & Wastes Digest March 2003
PVDF (polyvinylidene fluoride), a flouroplastic, is the material of choice for high purity water and chemical applications due to its excellent purity, temperature, surface and strength characteristics. The material expands as the temperature increases. George Fischer, Inc. designed the first SYGEF® PVDF High Temperature Resistant (HTR) diaphragm valve; it incorporates secondary sealing components manufactured from high purity TFM within the valve body to absorb the different expansion characteristics of the valve materials.

A New Option in Valve Actuators Strengthens Control of Filtering Operations   Water Engineering & Management January 2003
Water works engineers are now turning to a new generation of pneumatic valve actuators that are capable of executing the instructions of electronic control systems with the necessary precision to accurately control effluent flow. Surprisingly simple but rugged in construction, this new breed of actuators also is meeting the need to reduce downtime, as some of the first ones to debut in 1981 are still in operation without needing a spare (new) part.
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Editorial Emphasis: Valves   Water & Wastes Digest October 2001
New Spring-loaded Check Valve Reduces Valve Failure Risk

Products In Action: Sludge Equipment #2   Water & Wastes Digest September 2001   Red Valve
Pinch Valves Control Flow at Georgia Solids Treatment Process Plant

Editorial Emphasis: Instrumentation   Water & Wastes Digest August 2001   Burkert
Connection of Sensors to Valves Is Chemical Plant’s Formula for Total Quality

New Ductile Iron Check Valve Stops Water Hammer In Louisiana Municipality   Water & Wastes Digest August 2000
After suffering years of water hammer problems and the resulting effect on maintenance personnel and equipment, the St. Charles Parish Municipality in Louisiana needed a product that would save them both time and money. Milliken Valve Company of Bethlehem, Pa., provided the answer.