Wilden® Stainless Steel 1-1/2-inch air-operated double diaphragm pumps are a solid choice for many industrial fluid-handling jobs. Here you’ll find Wilden® AODD pumps with a Stainless Steel wetted path in the 1-1/2-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 1-1/2-inch format makes sense when you need a step up in capability without jumping to the largest pump sizes. If you’re replacing an existing unit, double-check your connection size and specs so the swap is smooth. Check the available configurations below and choose the build that meets your requirements.