If you’re spec’ing All-Flo™ Stainless Steel 1-1/4-inch air diaphragm pumps, here’s what to consider. Here you’ll find All-Flo™ AODD pumps with a Stainless Steel wetted path in the 1-1/4-inch size, so you can focus on the build that fits your system. Stainless Steel gives you a strong, long-life construction that works well in many industrial environments. The 1-1/4-inch format makes sense when you need a step up in capability without jumping to the largest pump sizes. Take a minute to confirm media compatibility, operating pressure, temperature limits, and connection style so you end up with the right configuration. Check the available configurations below and choose the build that meets your requirements.