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Excavator

2019-02-01


Excavator is an earthmoving machine using buckets to excavate materials higher or lower than the carrier surface and load them into transport vehicles or unloaded to the stockyard. Viewed from the development of construction machinery in recent years, excavator has developed relatively quickly and become one of the most important construction machinery in engineering construction. QT mainly provides top-mounted rotary balance valves that prevents the motor from stalling, pilot valve blocks that provides pilot oil source for the main valve hydraulic control, and boom explosion-proof valves. It mainly realizes the main functions of secondary start protection,automatic warming, overheating protection, automatic idling, throttle self-learning, electronic throttle, low speed acceleration, high and low speed switching, power matching, and weighing.