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Gravity Core Ø88,9mm


The corer is designed for taking samples in sandy sediment featuring detachable core tube with a maximum length of 6 metres. Up to 12 metres in soft or muddy sediment. (Optional). Can also be used as a piston corer. (Optional).

Gravity corer featuring:
  • Max. length of core tube: 6 (12) metres
  • Detachable core tubes with length of 1,5 or 3,0 metres each.
  • Easy to extend by using coupling device(s)
  • Orange peel closing system (core catcher) prevents the sample from exiting
  • Carver (nose piece) for protecting the corer steel tube
  • Will also act as a piston corer by adding extra components

The corer is fully made of AISI 316 stainless steel. Finish: Electro polish.

The main rack has 6 steering fins and below 2 pcs lead weights, 20 kg each. (Standard delivery). Room for a total of 10 lead weigths.

With coupling device(s) and tube(s) you can extend the core up to a maximum of 12 metres. (Segments of 1,5 or 3,0 metres each), ensuring to suit all your needs. This feature makes an easier and more compact transportation of the equipment. Core tubes and liners can be supplied at any length up to 6 metres.

This corer has been designed, so it will act as a piston corer by adding extra components.(13.560)



Description Ordering no.
Gravity corer, manufactured from AISI 316 stainless steel, complete consisting of:
1 pc corer body with 6 steering fins and weight platform. Extended body for a higher number of weights, max. 10 pcs.
1 pc corer, AISI 316 stainless steel, Length 1500 mm
2 pcs lead weights, 20 kg each
1 pc orange peel closing system - core catcher
1 pc carver with cutting edge (nose piece)
1 pc PVC internal liner, 1500 mm
Total weight: 130 kg. Max. weight: 290 kg. (For a core tube of 1500 mm and 10 pcs of weights).
13.540 B
Other parts recommended  
Corer tube, AISI 316 stainless steel, Ø101,6 x Ø93,6 x 1500 mm, weight 14 kg. 13.541
Extension steel corer tube, AISI 316 stainless steel, Ø101,6 x Ø93,6 x 1500 mm, weight 14 kg. 13.542
Coupling device for connecting 2 pcs tubes, weight 3 kg. 13.543
Carver with cutting edge, weight 3 kg. 13.544
Internal PVC liner, Ø90 x Ø86 x 1500 mm 13.545
Internal PVC liner, Ø90 x Ø86 x 1500 mm, partially transparent. (Light blue colour). 13.556
Lead weight, 20 kg each 13.546
Orange peel closing system, (core catcher), weight 1 kg. 13.547
Piston rod for ejecting the sample 13.548
Drum with ratchet 13.549
Extension for piston corer function requires:  
1 pc Kullenberg releaser inclusive weight station (30 kg) and wire. 1 pc cap nut with shackle, 1 pc wire for 1500 mm tube. (Standard delivery).

Note: The wire length for Kullenberg releaser and for the internal piston must be changed accordingly to the length of the sample tube.