The Series 58 low-watt, sub-miniature solenoid valves now include normally open, normally closed, directional control, and multipurpose models. According to the company, all pressure ratings, orifice sizes, and wattages have
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.