NEW PRODUCTS AND INNOVATIONS
All-in-one hydrodemolition solution
Sep 2012
Aquajet Systems News Release
- A new generation of containerised, high-pressure power packs designed to meet the ever-more-challenging noise reduction requirements demanded by clients is released to market by Swedish hydrodemolition specialist manufacturer Aquajet Systems.
- The new "one container for all" versions, designated Power Pack 400, Power Pack 400 Ecosilence, Power Pack 700 and Power Pack 700 Ecosilence, are housed in a rigid 23ft container equipped with a "roll off" frame for easy on/off truck loading and transportation.
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Aquajet's containerised power pack solution
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Aquajet Power Pack 700
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The powers packs feature the following benefits for hydrodemolition contractors:
• Only one container for all, meaning short mobilisation and demobilisation times
• Space within for the hydrodemolition robot and its accessories for easy and safe storage and transportation
• Short set-up time
• Only fuel and a water supply are required to operate
• Self-contained: no external electricity supply is required
• Minimum space required at the site. - The new Ecosilence versions feature acoustic surface treatment, thick sound absorbing insulation and seals for doors and hatches; all contributing to reduce noise levels to less than half that of conventional power packs - meeting an average 57.5dB (Power Pack 400 Ecosilence) noise output.
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Hydrodemolition robot storage facility
- Both versions of the top-of-the-range Power Pack 700 feature a working pressure of up to 1,000 bar (14,500psi) with a power input of 473kW (645hp). The Power Pack 400 Ecosilence has a maximum working pressure of 850 bar (12,300psi) and a power input of 276kW (375hp). The standard high pressure Power Pack 400 unit offers an increased maximum working pressure of 1,150 bar (16,700psi).
- The Ecosilence versions also offer the benefit of a substantial reduction in fuel consumption. Its design ensures that just 70 l/h is used when producing a water output of, for example, 185 l/min at 1,000 bar utilising just 73% capacity. Maximum output is 261 l/min at 1,000 bar.
- The power pack's diesel engine and high pressure pump for all versions are assembled complete on a heavy-duty welded steel frame with a built-in 925-litre diesel tank in the Power Pack 700 models, and an 820-litre tank in the Power Pack 400s.
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Hydrodemolition duo - TunnelTalk, October 2011
High pressure refurbishment - TunnelTalk, August 2010
CIRIA Report C671: Tunnels: inspection, assessment and maintenance - TunnelTalk, August 2010
BTS Guide to Good Practice: The Management of Hand-Arm Vibration in Tunnelling
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