The document provides precautions for installation, maintenance, and use of the product, as well as specifications and component parts. The product is a valve with manual flushing function, suitable for air compressors. It is important to flush out any debris and discharge accumulated drainage before installation, and to ensure the drain port is facing down. Additionally, a stop valve should be provided for maintenance and inspection purposes. The product operates on a power source ranging from 100VAC to 240VAC or 12VDC to 24VDC, with a maximum operating pressure of 1.5MPa, and is suitable for air medium. It is available in different specifications and models for selection.