The Valve Unit (OEM Part No. 3125090691) is a hydraulic spare part compatible with Epiroc Boomer drilling equipment, including Boomer 291, Boomer 281, Boomer-281, and boomer-282 models. Manufactured from durable cast iron and alloy steel materials, it functions as a hydraulic control component within the drilling system. The valve unit regulates hydraulic flow and supports stable operation of drilling functions under demanding working conditions. Designed for underground mining applications, this precision-engineered replacement valve provides dependable performance, excellent durability, and reduced maintenance costs for Epiroc drilling rig repair and service requirements.