The Nachi OCY Flow Regulator Modular Valve is a versatile manifold/subplate mounted sandwich style hydraulic flow control valve primarily used to regulate actuator speed and perform various other flow control valve applications within hydraulic systems. With its modular design, it offers flexibility for controlling flow rates in different configurations, including A and B port control, A or B port control, and P or T port control. This valve helps ensure smooth and controlled movement of hydraulic actuators, allowing for precise adjustment of flow rates to meet specific application requirements. It provides reliability and efficiency in managing fluid flow within hydraulic systems, contributing to optimal performance and functionality.