SOURCE: DunAn Microstaq, Inc.

DunAn Microstaq, Inc. (DMQ)

May 17, 2016 01:00 ET

DunAn Microstaq (DMQ) Releases Fastest Responding Refrigerant Expansion Valve for Commercial HVAC and Refrigeration Industry

AUSTIN, TX--(Marketwired - May 17, 2016) - DunAn Microstaq, Inc. (DMQ), a MEMS technology company dedicated to advancing flow control solutions primarily for the HVAC, refrigeration and automotive industries, today announces the release of the High Capacity Modular Silicon Expansion Valve (HC-MSEV), the fastest responding refrigerant expansion valve for the HVAC and refrigeration industry for 6 ton to 16 tons (R-410a) cooling capacities. The HC-MSEV brings all the benefits of the existing Modular Silicon Expansion Valve (MSEV) to systems with larger cooling capacities.

The HC-MSEV prototype is an electronically controlled, normally closed and one directional flow valve. It can be used for refrigerant mass flow control for today's industry-standard HVAC and Refrigeration systems. The HC-MSEV provides precise superheat control and quick mass flow adjustments through a closed loop control methodology achieved with DMQ's Universal SuperHeat Controller (USHC). Embedded with the newest generation of MEMS chip, silQflo® Silicon Servo Valve (SSV), the HC-MSEV is the fastest responding refrigerant expansion valve in the industry.

DMQ's Director of Sales and Marketing, Jerry Jadwisiak, states, "Our customers seeking to improve refrigeration system performance were the drivers for development of this family of valves with higher cooling capacity. Paired with our USHC preprogrammed for multiple refrigerants, all our valves provide a "plug and play" option for our customers which they often see as their least costly, fastest roadmap to an electronic closed loop control solution specific to their application. The fast response of all our valves makes them ideal for improving performance across a now wider range of refrigeration system capacities including those with inverter driven variable capacity compressors."


An initial quantity of High Capacity Modular Silicon Expansion Valve prototypes were completely purchased by customer globally and are currently being evaluated. Due to high demand, additional prototypes in limited quantities will be available in August 2016 for orders received by June 15, 2016. Pre-production/Production units will be available late November 2016.


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About DMQ

DMQ offers companies primarily in the HVAC, refrigeration and automotive industries advanced flow control solutions based on proprietary MEMS technology that delivers efficiency, accuracy and scalability. Headquartered in Austin, Texas, DMQ offers customers the MEMS technology capabilities at the core of Microstaq backed by DunAn's experience, reach and long-standing presence. For more information, email or visit

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