2.PM30.001-33 is an electro-mechanical part manufactured by Bosch Rexroth, and it is used in various industrial applications. This part consists of a control valve that is made up of a base, a valve body, and a control knob. It is designed for use in hydraulic, pneumatic, and lubrication systems, and has a maximum pressure rating of 2500 bar. The valve body has four threaded ports that can be adjusted to the desired flow rates and settings. It also includes a rotating knob to control the flow, as well as an indicator light to show when it is in the open or closed position. This part is also designed with anti-freeze protection and anti-corrosion protection.