# DunAn Microstaq expands MSEV silicon expansion valve family for HVAC/R

DunAn Microstaq expanded its modular silicon expansion valve (MSEV) family to cover cooling capacities from under 1 to 50 tons for R-410A and low-GWP refrigerants. The family has three capacity ranges, with fast-response MEMS piloting for HVAC/R systems.

- Type: Product launch
- Announced: 2021-04-07
- Where: United States
- Status: announced
- Capacity: cooling capacities from under 1 to 50 tons
- Products: modular silicon expansion valves, silicon servo valves, universal superheat controller
- Sectors: [HVAC and Industrial Refrigeration](https://endata.com/sectors/hvac-refrigeration.md)

## Companies

- [DunAn Microstaq](https://endata.com/companies/7821.md)

## Sources

- [insights.globalspec.com](https://insights.globalspec.com/article/16310/dunan-microstaq-inc-expands-its-msev-valve-family), 2021-04-07: "has expanded its modular silicon expansion valve (MSEV) product family for cooling capacities from sub 1 to 50 tons"

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.