Introducing the Nachi OC-G01 check valve from the Modular Valve Series, a versatile hydraulic component designed to streamline hydraulic valve operations and optimize system performance. With flow rates ranging from 5.2 to 79 gallons per minute and maximum operating pressures of 3000, 3600, and 5000 psi, this modular valve offers high-pressure and high-volume capabilities to meet diverse hydraulic system requirements. Its innovative design integrates multiple valve functions into a single unit, eliminating the need for extensive piping between valves and reducing space requirements. The ganging and bolting format enables quick and easy circuit configuration, as well as changes and additions, enhancing system flexibility and adaptability. Additionally, the compact module configuration reduces maintenance costs by minimizing the need for pipe rinsing and flushing, while also mitigating fluid leak issues associated with pipe resonance and loose couplings. Equipped with ISO codes for easy performance determination, the Nachi OC-G01 check valve ensures simple yet precise circuit configuration for optimal hydraulic system operation.