Ampco AL Series Pumps

Ease of maintenance, clean-in-place (CIP) performance, uptime reliability, and economical pricing are key characteristics of Ampco's AL series rotary lobe positive displacement pumps. This series is a favorite of maintenance departments and plant managers alike. Each new positive displacement pump is supplied with a 304 stainless steel gear case, making these pumps popular with inspectors, as well.

AL Series rotary lobe pumps are an economical alternative to rotary piston pumps in certain applications. AL pumps offer a stainless steel gear case and a front loading seal design with superior CIP-ability and ease of maintenance. All AL pumps are EHEDG certified and in conformance with 3-A sanitary standards.


  • AL05
  • AL22
  • AL10
  • AL25
  • AL15
  • AL33
  • AL20
  • AL34
About the AL Series

All Ampco AL Series pumps include a stainless steel gear case, standard. The AL Series features a unique front-loading seal design to provide easier cleaning and reduced maintenance time. Rotors and seals can be effortlessly accessed by removing the front cover while connections remain in place.


The AL Series is well suited for a variety of applications including food, dairy, beverage and pharmaceutical. These pumps accommodate viscosities ranging from 1 to 1,000,000 centipoise. Self-priming capabilities up to 12 feet and flow rates up to 230 GPM make this a versatile, yet economical, pump for a variety of processing applications.


To correctly size a rotary lobe pump some essential information is required. Provision of the information listed below enables our customer support personnel to determine the optimum pump selection:

  • Fluid to be pumped
  • Viscosity
  • SG/Density
  • Pumping temperature — minimum, normal, and maximum
  • CIP temperature(s) — minimum, normal, and maximum

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