Electric cryogenic ball valves are primarily designed for low-temperature applications involving media such as liquid nitrogen (cryogenic) with temperatures ranging from -40°C to -196°C. To ensure safe and reliable operation at cryogenic temperatures, valve components undergo cryogenic treatment prior to machining. The valve bonnet features an extended neck structure, which serves to protect the packing gland by positioning it farther from the cryogenic environment, thereby maintaining effective sealing performance.