AUSTIN, Texas, May 18, 2021 (GLOBE NEWSWIRE) -- DunAn Microstaq, Inc. (DMQ), a MEMS technology company that innovates flow control solutions primarily for the HVAC, refrigeration and automotive ...

When we last spoke to the people at Microstaq Inc., maker of the silicon Ventillum microelectromechanical systems (MEMS) expansion valve IC, they were busy addressing the requirements of the HVAC ...

Electronically controlled electric valves have been accepted for years in larger applications, just as chillers have been, and have proven to add efficiency to the systems. The key to the increase in ...

In this month’s troubleshooting situation, the equipment that needs servicing is a split system and the refrigerant flow control is handled via an EEV (Electronic Expansion Valve, shown in Figure One, ...