Reference input and motor speed are changed to deliver a wide pneumatic performance range — 2.5 to 11.0 lpm, depending on model. With the increase in pressure, speed is adjusted automatically.

One-inch pumps are equipped with a 2.2 kW gear motor and 3.0 kW variable-frequency drive (VFD) ... The ARO PRO series’ air-operated diaphragm pump air motors, ...

"These new diaphragm pumps further push JohnDow to expand our offering in other industries while still focusing on serving the automotive aftermarket." Both the JDI-DPES and the JDI-DPES-UL Evacuation ...