New Cartridge relief valve 

Product description: A throttle valve is a device used to control the flow of fluid. By changing the cross-sectional area of the flow channel, it changes the area through which the fluid passes, so as to achieve the purpose of controlling the flow rate. The throttle valve is usually composed of a body, a spool and a driving device. There is one or more flow channels on the valve body, and the cross-sectional area of the flow channel can be changed by adjusting the position of the valve core. The driving device can be a hand-operated handle, an electric motor, a pneumatic device, etc. Throttle valves are widely used in various industrial fields, such as petrochemical, metallurgy, power, water treatment and so on. It can be used for flow regulation, pressure control, liquid level control and other occasions. The throttle valve has the advantages of simple structure, high reliability and long service life.