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TV Grab - 6400 cm²

12.500 - TV Grab 6400 cm²
12.500 - Hydraulic TV Grab - 6400 cm²

Application:
The grab is used to collect loose or soft rocks or even biological material and via a TV camera, you can observe the seafloor and the selection of a suitable sampling target. Two powerful batteries, mounted on the grab, provides power for the lights and for closing the grab.

Standard delivery:
The TV Grab is rated for a depth of 6000 m and includes camera with live view and lights. Important: Standard delivery does not include any optical cable for the winch or interface/multiplexer or similar for the video camera. Standard delivery also comes with the lower rack and the trolley for removal of the sediment sample.

Dimensions and weight:
• Rack with grab: L x W x H: 185 x 185 x 215 cm, spikes +15 cm
• Rack with grab, incl. steering fin: L x W x H: 282 x 185 x 230 cm
• Rack for trolley: L x W x H: 185 x 185 x 55 cm
• Trolley: L x W x H: 120 x 120 x 48 cm
• Weight, standard delivery: 1300 kg

 
 
12.500 - Hydraulic TV Grab - 6400 cm².
 
 
12.500 - Hydraulic TV Grab - 6400 cm² - side view.
 
 
12.500 - Hydraulic TV Grab - 6400 cm² - Rear view.
 

Sample volume:
The grab has a sampling volume of 200 L approx., corresponding to 500 kg at a density of 2,5 g/cm³.

 

 

 

The trolley:
The trolley is made of AISI 316 stainless steel and it has a content of 400 L.

 

 

 

Support for lead weights:
The rack has four bases supporting extra lead weights. The lead is encapsulated into stainless steel containers, each module has a weight of 50 kg.

 
 
Emptying the grab into the trolley.
 
 
Trolley for sediment sample.
 
 
Support for lead weights.
 

Specifications

Item

Description

Frame with grab:

Square tube, 100 x 100 x 4 mm, AISI 316 stainless steel.

Rack, supporting wagon:

Square tube, 100 x 100 x 4 mm, AISI 316 stainless steel.

Wagon for sediment sample:

Content: 400 L. Manufactured from 2 mm AISI 316 stainless steel plate with reinforcements for adding 4 wheels.

Shovel

10 mm AISI 316 stainless steel.

40 mm pivot AISI 316 stainless steel.

 

 

Hydraulics

 

Hydraulic pump station:

24 VDC/2 kW. Max. pressure: 175 bar.

Hydraulic cylinders:

2 pcs, Ø63/40 mm, length 557 mm. Performance 2 x 5000 kg at 175 bar.

Pressure stable housing for hydraulic pump station:

390 x 390 x 650 mm, rated for 6000 m.

 

 

Batteries and charger

 

Type:

SeaBattery Power Module SB-24/40.

Capacity:

2 x 40 Amp/h.

Depth rating:

11000 m.

Charger:

Interacter 24 V/8 A.

 

 

Dimensions and weight:

 

Frame, without rack for the wagon:

Without steering fin: L x W x H: 183 x 183 x 215 cm + spikes (20 cm).

With steering fin: L x W x H: 280 x 183 x 215 cm + spikes (20 cm).

Rack for the wagon:

L x W x H: 160 x 185 x 55 cm.

Wagon:

L x W x H: 120 x 128 x 48 cm, inclusive handles and wheels.

Weight:

Frame with grab: 1150 kg approx.

 

 

Painting

Corrosion Class C3 - high.

Pre-treatment:

SA 3 according to ISO 12944-4.

Filling:

2 component Polyester filling.

Sanding:

Grade 120.

Degreasing:

Degreaser for silicone.

Priming:

Percotex LA Primer, thickness 60 µm.

Drying:

Air drying, 16 hours, temperature 20 °C or 60 min. at 60 °C.

Sanding:

Grade P220-280.

Degreasing:

Degreaser for silicone.

Filler:

Percotex LA-filler, thickness 30 µm.

Lacquering:

2 component acrylic/polyurethane lacquer, thickness 60 µm.

Overall finish:

Minimum thickness of the finish is 140 µm.