709-61-11701 VALVE ASSY
The bulldozer valve assembly is the control center of the hydraulic system. By adjusting the pressure, flow rate, and direction of hydraulic oil, it achieves precise control of key operations such as bulldozer plate movement and walking direction. Its performance directly affects the operating efficiency and response speed of the equipment. The core components include directional control valves (such as directional valves), pressure control valves (such as relief valves), flow control valves (such as throttle valves), and valve body integrated modules, which work together to meet different operating conditions.
Application of bulldozer valve assembly
Fine homework scenarios (road maintenance, site leveling)
During road construction, the bulldozer shovel needs to operate smoothly and with high precision. The valve assembly should be equipped with high-precision speed control valves and buffer valves. The speed control valve ensures that the lifting speed of the shovel is uniform (not affected by load fluctuations), while the buffer valve reduces the pressure impact when the valve core changes direction, avoiding the shovel from bouncing; For example, when repairing the roadbed, the lifting speed of the shovel can be adjusted to 0.5-1m/min through the flow valve to ensure a flatness error of less than 3cm.
Complex terrain assignments (mountainous, muddy terrain)
In complex terrain areas, bulldozers need to frequently switch actions, and valve assemblies need to have fast response capabilities and anti pollution performance. The valve core and valve body are coated with wear-resistant materials (such as chrome plating) to reduce impurity wear; At the same time, the built-in overload oil replenishment valve can prevent negative pressure cavitation in the oil cylinder during bumps, improving its adaptability to harsh working conditions.
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