Quantech has expanded its line of QTC4 Air-Cooled Variable-Speed-Drive Screw Chillers to a total of 21 models ranging from 150 to 360 tons. With the expanded line, Quantech officials said many models are in-stock ready to ship within three to five days to enable immediate chiller replacement.
Spirax Sarco has introduced its new AEL 5 series electric actuator range for ½-in to 4-in control valves. The AEL 5 series electric actuators are reversible having linear output. Its internal components such as the PCB, positioner card, and limited switches are affixed to a more durable and sturdy aluminum support for holding and/or fitting accessories.
Why was one floor’s laboratory ventilation failing to keep up, when it was even the closest floor to the rooftop fans? Some system sleuthing led two engineers to a fitting conclusion. Read more stories in May Issue 2017.