Handle Manual Valve for fishing boat vessel

Product Description: Safety manual valve is a valve used to control the flow of fluid media, which is characterized by manual operation function, and can automatically cut off the fluid flow in the event of abnormal conditions to ensure the safety of equipment and personnel.     Safety manual valves are usually composed of valve body, valve cover, valve stem, valve disc and other components.  The valve body and bonnet are usually made of high strength material and have good sealing performance.  The stem is connected to the disc by a manually operated lever, and the opening and closing of the disc are controlled by rotating or moving the stem.  Under normal operating conditions, the valve disc can adjust the flow and pressure of the fluid as required.  In the event of abnormal conditions, such as high pressure and high temperature, the safety manual valve will automatically cut off the fluid flow and play a role in protectin…