• High Flow Rate: 172 GPM • Durable Materials: Aluminum Center, Cast Iron Wetted Parts • Superior Components: 316 SS Seat, PTFE Ball, PTFE/Santoprene Diaphragm. The ARO EXP Series 2 Metallic Diaphragm Pump with standard pump style, 2 - 11-1/2 NPTF fluid connections, plated steel hardware is a top choice for your pumping needs.

This EXP Series 2 Metallic Diaphragm Pump is great for industrial settings where high - volume fluid transfer is required. It's suitable for professionals in manufacturing, chemical processing, and water treatment. With a flow rate of 172 GPM, it gets the job done quickly. It has an aluminum center body and cast - iron wetted parts, which makes it both lightweight and durable.