4 Ton Subsea Clamshell Grab
The 4Te Clamshell Grab is a versitile subsea tool that can be used for decommissioning projects and survey/debris clearance operations. The Clamshell Grab is commonly used for lifting and moving various material and equipment found subsea such as gravel, sand, grout bags, drill cuttings and general smaller debris.
The Clamshell Grab can be powered from topside control with a downline umbilical or powered directly from a work class ROV via the 2-port leak free 35mm hot stab.
The Clamshell Grab is suitable for all coarse and bulky materials. With one single lifting point and a bucket that turns 360 degrees independent of the lifting point the clamshell grab is a perferred tool for a wide range of subsea operations.

Arm Capacity
Payload
Weight
# Arms
Hydraulic Interface
Pressure
0,75 m3
4000 kg
1000 kg
2
2 Port Female Blue Logic 35mm c/W check valves
180 – 210 bar
Flow
Height Open (B)
Height Closed (A)
Width Open (D)
Width Closed (C)
Load/Position Holding – Hydraulic Valves
20- 40 l/min
1850 mm
2300 mm
1550 mm
1300 mm
Cross Port PO Check Valve SUN CKCD XCN-YET/Cartridge CKCD XCN