Positive Displacements Pumps

Many of the above options may be used on Allenair's air operated pumps,direct acting pumps and industrial dispensing pumps to control all of Allenair's self priming pumps. self contained bleed screw control the speed of Allenair's piston pumps aiding in the positive displacement pumps output. Because of the wide range of Allenair's power pumps cylinder bore sizes (1-1/2" to 4"), heavy viscous liquid pumps have the power for the precision dispencing of peanut butter, heavy crude oil,toothpaste or lard.

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