The Bosch Rexroth R901456334 HM20-23/400-C-K35-N is a high-performance, direct-operated pressure sequence valve designed for reliable control in hydraulic systems. This valve is engineered to ensure that a specific pressure level is reached in one part of a circuit before flow is directed to a secondary circuit, enabling precise sequencing of machine operations. It is designed for subplate mounting, conforming to the ISO 5781 porting pattern, which facilitates easy installation and maintenance. Featuring a rotary knob with a scale for straightforward pressure adjustment, this valve is built for durability and precision in demanding industrial applications.