Drum Pumps
Allenair drum pumps are designed around our tandem cylinder design joining two cylinders together with a common head and rod. The total pump unit is divided into two sections; the drive section and the pump section. By utilizing our Valve-In-Head cylinder as the air motor, the rod and pump piston will move in unison, creating suction on the lower half of the piston and pressure on the upper half. On the down stroke, the check piston moves freely through the fluid in the dip tube.
Dispensing Pumps
An air operated piston transfer pump.
Transfer pumps are designed specifically to transfer bulk liquids, oils, hydraulic fluids, acidic, caustic and many other types of liquids.
Description:
The Allenair air driven pumps are designed around our tandem cylinder design joining two cylinders together with a common head and rod. The total pump unit is divided into two sections; the drive section and the pump section. By utilizing a four-way valve to operate the drive cylinder, the common rod and pump piston will move in unison, creat- ing suction on the up stroke and pressure on the down stroke. An example of this action is that of a syringe.
Linear Pump Catalog