The AVR HMVU21 is a genuine double pilot operated check valve designed for robust hydraulic applications. This valve, also known by its manufacturer's designation Oil Control H-M-VU2-1, features 3/8'' BSP ports and is engineered to handle a maximum operating pressure of 350 bar with a maximum flow rate of 30 L/min. It provides reliable load holding and controlled movement by blocking flow in both directions until pilot pressure is applied to the respective pilot lines. With a pilot ratio of 1:4.5, this durable steel-bodied valve ensures precise control and safety in agricultural machinery.