Double check valve for Schoma CFL-18DCL

The double check valve, part number K44.000010, regulates fluid movement within hydraulic circuits. By preventing reverse flow in dual input lines, this component maintains pressure within specific system branches or actuators. It ensures that loads remain stationary or that pressure is held in critical circuits when the main pump supply is interrupted or during system pressure drops.

This component is designed for use in the Schoma CFL-18DCL locomotive. It features a pressure-rated body housing two valve seats and two internal closure elements, such as spheres or cones, which seat automatically when pressure decreases or reverses. These valves are engineered to manage specific flow rates and pressures while maintaining internal seals to minimize leakage. Proper operation of this valve is necessary for the consistent performance of hydraulic functions such as braking or steering systems in industrial and mining locomotives.

Double check valves serve as a safety mechanism in complex hydraulic systems by isolating circuits and preventing unintended movement of machine components. They allow for precise control by ensuring that pressure is only directed where required, effectively locking actuators in position until the system logic commands a change in state.