Low-noise gear pumps

Q series cast-iron or aluminum pumps are rated for maximum flows of 6 to 240 cc/rev and have steel gears supported by hydrodynamic plain bearings. Helical gears reduce ripple and noise. Displacement ranges from 16 to 240 cc/rev for peak pressure to 250 bar.

Hydreco, (704) 295-7575, www.hydreco.com