Wilden® Polypropylene 1-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 Polypropylene wetted path in the 1-inch size, so you can focus on the build that fits your system. Polypropylene gives you a corrosion-resistant thermoplastic option that’s widely used for chemical handling. The 1-inch port size is a great middle ground when you want manageable plumbing without stepping down to the smallest pump frame. As you narrow your choice, match the wetted material to your fluid chemistry and verify pressure, temperature, and installation requirements. Check the available configurations below and choose the build that meets your requirements.