Water hammer is one of the more common—and costly—issues encountered in industrial pumping systems. In simple terms, water hammer is a sudden pressure surge within a piping system caused by a rapid change in fluid velocity.

How a diaphragm pump works (Air-Operated Double Diaphragm / AODD) A diaphragm pump moves liquid by flexing one or two elastomer diaphragms back and forth, creating alternating suction and discharge strokes. In a Yamada AODD pump, compressed air provides the driving force.

Mr. Shotaro Yamada shares reflections on 120 years of progress and what's ahead.

A flexographic printer uses more than 40 pumps, all equipped with high-performance diaphragms to transfer ink and solvents. Typically, the diaphragms are changed as part of preventive maintenance every six months.

For over 20 years, a tannery / Leather Works in Uruguay have installed numerous chemical resistant plastic Yamada pumps, to transfer aggressive acids, hydroxides combined with softeners and moisturizers within their plant. These extremely aggressive finishing chemicals are used in their entire production line. After which the treated skins are exported to Germany, where they become the exclusive leather upholstery for high-end luxury cars.