Concentric in Hof, Germany and Rockford, IL, has launched its super-quiet gear pump, CALMA, that reduces noise by up to 10 dB or 85% in low-speed applications, particularly in electric vehicles, such as fork lift and warehouse trucks.
- Features updated tooth geometry, true dual-flank gear engagement, reduced trapped oil volume and trapped oil management
- Reduces pressure pulsation by 75%, which is key to determining pump's noise levels, while also reducing energy consumption
- Offers energy-saving capabilities
- Adjustable and low-speed capability avoids unnecessary power drain and further increases battery life
- Reduces noise during steer, tilt and lift functions by 50% to 85%
- Available in displacements from 6.2 cc to 23.7 cc
- For use as a single unit or as an element within multiple hydraulic assemblies
- Standard housings can easily be varied to incorporate different functions and different internal connections
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