Vibracorer with proven operation.
The original vibracorers „VC(VKG)-3/6/9″ have been succesfully operated for more than 40 years and worked at perfect satisfaction. Operated in the Atlantic Ocean, Baltic Sea, North Sea and Mediterranean Sea also at harsh climates and choppy waters it proves the best return on investment due to its sophisticated design. Well known companies such as Federal Maritime and Hydrographic Agency Germany, MMT Sweden, Fugro and Geo Marine Survey Systems (Geo-Corer) Netherlands, Next Geosolutions Italy, Jan De Nul Belgium are fully pleased ustomers.
Our „VC“ is an electrically driven vibracorer system, vibrating at around 30 Hz (optionally 15 Hz), coring bottom samples up to 250m water depth (optional up to 1000m) with
- optimum cores in fine, middle and grain sands and any mixtures thereof
- good results in peats and sands with silty-argillaceous and/ or gravel components, moreover smaller stiff stratums are penetrated too.
Operational efficiency
The specific design of cutters, catchers and valves gives you a superb filling of the barrel. The barrel length exceeds the core net length by 150 mm only. Although the runtime of the vibrator unit is unlimited, the typical penetration/retraction time is at around 5 minutes. There is no need to dismantle the core barrel while extracting the core sample. Due to its unique barrel flip aside design allows an efficient operation with up to 40 cores/sites per day.
Easy handling
The unique design out of just 4 main components allow a fast and eased mob/ demob (assembly), by manually handled parts . This is a second USP feature within this class of coring systems.
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Reliability
The subtle design and an elaborated manufacturing garanties an outstanding reliability and a minimum of downtime.
| med-c VC(VKG)-3 | med-c VC(VKG)-6 | med-c VC(VKG)-9 |
|
|---|---|---|---|
max. core length | 3000 mm | 6000 mm | 9000 mm |
core barrel diameter (inside) | 102 / 96 mm (liner) | ||
core barrel diameter (outside) | 108 mm | ||
max. working deepness | 250 m / 1000 m | ||
height | 4,50 m | 7,50 m | 10,50 m |
basement diameter | 2,70 m | 4,60 m | 6,50 m |
gross weight (excl. uploads) | 0,75 to | 0,85 to | 0,95 to |
gross weight (full uploads) | 1,0 to | 1,1 to | 1,2 to |
power supply (threephase AC) | 380 – 440 V, 4 kVA, 50-60 Hz | ||
vibrating force | 30 kN / 7,5 kN (deep water) | ||
vibrating frequency | 28 Hz / 14 Hz (deep water) | ||
corrosion protectio | hot zinced / stainless steel | ||
transport | dismantled | ||
