a it has pneumatic control function .
b It is the two- way air controlled slide valve .
c it may install on the gear pump .
Air controlled distributing valve plays the lifting role
on the dump truck .it has pneumatic control function .
the valve may cooperate with the combine controlling
valve to achieve compartment ' lifting stopping dropping.
It is the two- way air controlled slide valve .the valve may
install on the gear pump directly .when the air-controlled pressure loses ,the valve could automatic
choose stopping in order to prevent the compartment '
dropping suddenly.