The rugged construction and extra-thick pump casing of Gorman-Rupp Air Driven Diaphragm pumps stand up to the abuses of the most demanding sludge and slurry applications. They overcome the "high wear" problem commonly found in double diaphragm and progressive cavity pumps. They are capable of operating dry, on suction lifts up to 20 feet, and handling high solids content up to approximately 70%. Depending on the pump model you choose, Gorman-Rupp Air Driven Diaphragm pumps will handle solids up to 4" in diameter. Air Driven Diaphragm pumps are the newest stars in Gorman-Rupp's lineup of Industrial pumps. They are designed to handle heavy sludges and slurries in the most hostile environments; steel mills, paper mills, mines, chemical plants, food processing plants, refineries, wastewater facilities and hundreds of other applications where other pumps struggle.

Air Driven Diaphragm pumps have only three moving parts so maintenance and service are minimal. Replacement of pump diaphragm can be accomplished in about one hour without disconnecting piping. Check valves can also be quickly and easily cleaned out using "twist lok" handles. No special tools required.

Air is applied uniformly on top of the diaphragm which causes less resistance than spring-operated cylinders. This reduces stress on the diaphragm. The result is longer diaphragm life, reduced air consumption which saves money over the life of the pump, quieter operation and virtual elimination of muffler icing.