Sanhua, a leading provider of HVAC&R components, has introduced the PEV series - pulse expansion valves, designed for use in refrigeration systems to precisely control the flow of refrigerant into the evaporator. The PEV series valves have a solenoid valve structure, allowing flow regulation by pulse width control, ensuring highly accurate and responsive flow control.
One of the key features of the PEV series is its 90 bar design pressure, which enables reliable operation in high-pressure systems such as R744 transcritical refrigeration systems. With its wide capacity range and low-noise operation, PEV series is a perfect choice for groceries, convenience stores, super- and hypermarkets. The specially designed coils provide low energy consumption (7W at AC220~230V/50Hz) which results in lower energy costs.
In addition to its high-performance capabilities, the PEV series offers a direct shut-off function in case of sudden power failure, ensuring the system remains safe and protected. The valve body is serviceable which allows easy cleaning and replacement of the strainer and the orifice.
The PEV series pulse expansion valves are applicable for all common HFC, HFO, HC and R744 refrigerants, and the protection class is IP 67.
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