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All-Flo pumps have been built to last and performance engineered to provide reliable operation and trouble-free service under the toughest conditions.

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All-Flo Solves Challenging Applications with Simple Solutions

All-Flo positive displacement air-operated double-diaphragm (AODD) pump solutions are the reliable and efficient choice for an array of industries and applications.

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How AODD Pumps Can Handle High Viscosity

by PSG | Mar 01, 2018

Date Posted: 03/01/18

A common question asked by users of air operated double diaphragm (AODD) pumps is, “What is the maximum viscosity of a process fluid that can be transferred by an AODD pump?” In truth, the answer has little to do with the selected pump and much to do with the piping system to which the pump is connected. Users often forget this, since most AODD applications are transfer applications with a relatively low viscosity fluid. While a complete discussion of more accurate methods for evaluating pump systems is beyond the scope of this article, pump users can employ the following techniques to estimate the factors that impact flow rates in AODD systems with high viscosity fluids.

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About All-Flo

All-Flo is a leading manufacturer of Air Operated Double Diaphragm Pumps. Serving a variety of industries, including oil & petroleum, petrochemical, food & beverage, mining and construction, All-Flo works with a  global network of distributors to ensure local availability and service. All-Flo offers a versatile range of durable and reliable pump solutions that can be customized for any application. All of All-Flo’s products are made in America.