CONCENTRIC AB-He-Q Box-EU-2011-7 2 The NEW He-Quiet Power Packs HE-Q POWER PACKS He-Q Power Packs The environmental demands from the market are all the time increasing. The need for lower noise levels also applies to vehicles equipped with hydraulic power packs. In cities with increasing traffic, the noise is a most relevant issue and more transportation is done during sleeping hours where noise is even more of a problem. To meet these demands Concentric has further developed the well reputed He Power Packs with new low noise ”silent”power packs- the He-Q(uiet). Due to the use of the standard He-concept, components are interchangeable. He-Q has reached its low noise levels throughnewly developed components. A newly developed LSM-24 VDC motor, together with the latest development from the Concentric WQ-series, WQ300, have had the most influence in reducing the noise level and improving the noise quality. He-Q is available with 2kW 24 VDC motor and displacements1,2 - 5,7 cm3. He-Q can be delivered both as compact powerpack ”He” and ”He-Box” (See also He Power Pack and HeBox information). Measurements done on a tailgate lift in accordance with TÜV, §45 St VZO: The noise level is reduced by 4dB (A) compared to the standard power pack. When making the same test including an isolated box the noise level was 11dB(A) lower than standard. (As comparison: +3dB(A) is perceived by the human ear as a doubled noise level). Drastically improved noise quality and noise level (lower dBA) for demanding customers and applications. Available as power packs with Ø 112 LSM-24 VDC motor and 1,2 - 5,7 cm3 WQ300 pumps. He-Q is available as standard compact powerpack as well as He-Box in steel/plastic box. Standard envelope format gives the possibility to fit and replace equal standard He-powerpacks. Series deliveries from Nov. 2000. quality products for mechanical & fluid power ~ jbj Techniques Limited, www.jbj.co.uk UK distributor for Concentric Hydraulics
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