Dump Truck Combination Control Valves

Product description

Dump truck combination control valves are engineered for heavy-duty vocational applications where space is limited and reliability is critical. By combining several discrete components into one body, these valves reduce external plumbing, minimize potential leak points, and simplify installation. Core Functions & Operation • Directional Control: Uses a manual lever, pneumatic shifter, or electronic actuator to shift an internal spool, directing high-pressure oil to either extend the multi-stage telescopic cylinder (raise) or return oil to the reservoir (lower). • System Protection: Integrates a factory-set or adjustable main relief valve that vents excess oil back to the tank if pressure exceeds safe operating limits, preventing structural damage or hose bursts. • Load Holding & Safety: Features a built-in load-check valve that prevents the heavy dump bed from dropping unexpectedly when the valve is shifted or if the hydraulic pump loses power. • Metering & Flow Control: Provides fine-tuned metering capabilities, allowing operators to lower the dump bed slowly and smoothly rather than dropping it abruptly.

Specifications