... rotor with sliding vanes to draw the liquid. The material of construction is nodular iron with sliding vanes built in a ... oil delivery truck , fleet refueling , lube oil , aviation refueler , transport of petro chemical , gasoline ,biofuel , solvent and many more.Installation: The ... shafts or hydraulicmotor, the pumps can be installed on any king of tank truck or they are coupled to electric or diesel ...