This model is mainly applied to 20-25T negative flow control system hydraulic excavator. Integral block multi-way valve, mainly composed of left and right two parts of valve body and straight line walking valve , with the function of excavating enforce, arm and bucket combination, bucket rod regeneration, swing and arm priority, arm and bucket rod load maintenance and others. Integral block multi-way valve, mainly composed of left and right two parts of valve body and straight line walking valve , with the function of excavating enforce, arm and bucket rod combination, bucket rod regeneration, swing and arm priority, arm and bucket rod load maintenance and others.
){kind=link}