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Black and Red All-Flo Logo

PSG® Store: The Home for All-Flo™ Online

All-Flo™ was founded in in 1986 in Mentor, Ohio and is currently headquartered in Grand Terrace, California. Serving as a leading manufacturer of Air-Operated Double-Diaphragm (AODD) pumps, they offer unique features like anodized aluminum and conductive nylon wetted path materials. All-Flo™ is manufactured by PSG®, a Dover® company, and the PSG® Store is the only place to by directly from the source. If you're looking for a flexible and affordable pump, All-Flo™ has the pump for you.

Several All-Flo AODD pumps on the shelf ready to ship.

Who Is All-Flo™?

Since its founding in 1986, All-Flo® has provided simple solutions for challenging applications using a wide range of metallic and plastic materials suitable for nearly any fluid transfer application.

All-Flo® was acquired by PSG®, a Dover® company, in 2019. And in 2025, All-Flo® products became available to buy directly from the manufacturing source, the only place to do so, on the PSG® Store.

Now, every All-Flo® product is available on the PSG® Store with free shipping. And if you order before 11:00 AM EST, we will ship it the same day, no extra charge.

Why Buy All-Flo™ AODD Pumps?

There are many reasons to purchase a diaphragm pump from All-Flo®. One reason is the unique wetted-path materials they offer. If you want to buy an anodized aluminum or conductive nylon pump on the PSG® Store, then All-Flo® would be your only choice. Additionally, All-Flo's® A200 series delivers unmatched performance, with a maximum flow of 190 GPM and a maximum dry lift of 24 feet, which is over 70% more suction than some competitors. Repairing an All-Flo® pump is also simplified by the fact that it has only 28 air valve parts, which is over 50 fewer than some competitors.

Curious about the compatibility of All-Flo® pumps with your application fluids? We offer a free chemical compatibility chart for All-Flo® AODD pumps. Please note that this chart is intended for guidance only. You should verify material compatibility with process fluids prior to use.

How to Install Your All-Flo™ AODD Pump

All-Flo™ Pump Catalog

Looking to explore a selection of All-Flo® pumps by wetted path material and size? Find every option in the All-Flo® catalog here.

Frequently Asked Questions

All-Flo™ has specialized in designing AODD pumps that are simple, durable and easy to maintain for over three decades. We build pumps with minimal moving parts, which reduces downtime and makes diaphragm pump repair faster and more cost-effective. That, combined with a wide selection of pump materials and genuine replacement parts, All-Flo™ is a trusted name in the diaphragm pump world.

All-Flo™ AODD pumps are used for fluid transfer across nearly every industry or market. Our pumps can handle abrasive, corrosive and viscous fluids, making them a reliable solution for any fluid handling application.

The simple answer is, no, Wilden® parts won't work with an All-Flo™ pump. If you're looking for All-Flo® AODD parts, you can find them on the PSG® Store parts page.