Refrigeration control valves for industrial refrigeration systems have been an important system component since the 1920s. When a control valve fails, the result can be as significant as a more costly ...
Pressure controls have been workhorses in the hvacr industry for decades. Figure 1 shows a conventional combination low- and high-pressure control. Such controls have been used in many applications, ...
Supermarket refrigeration systems, rooftop chillers, walk-in fast-food-restaurant freezers, and refrigerated rail cars vary greatly in size and appearance. Yet they all share the same basic principles ...
MSEV 1 to 50 tons product line & Superheat Sensor/Controller The valves are autonomously controlled by DMQ’s palm sized Universal SuperHeat Controller (USHC). The control algorithm is designed and ...
AUSTIN, Texas, April 06, 2021 (GLOBE NEWSWIRE) — DunAn Microstaq, Inc. (DMQ), a MEMS technology company that innovates flow control solutions primarily for the HVAC, refrigeration and automotive ...
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