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Active ROV Docking Bullet

Active ROV Docking Bullet

This is known as an Active Docking Bullet or Reverse Docking Bullet. “Reverse” because it represents a reversal of the standard simple docking bullet + go-devil lock latch scheme. The simple docking bullet is now an active device with controllable latch and the go-devil lock latch becomes a simple latching ring. The key benefit of this arrangement is that it eliminates the need of a separate hydraulic hose to be suspended from the A-frame to the go-devil lock latch. This result in an overall neater and safer arrangement. 
 
The Active Docking Bullet requires one hydraulic On/Off valve function from the ROV. It is a fail safe design, meaning docking active can be achieved even if this hydraulics function  malfunctioned. 
 
Features put as:
 
  • Light Weight
  • Hydraulic cylinder integrated to the body of the docking bullet
  • Fail safe design
  • Friendly to umbilcal
  • Duplex material latches
Single spring return docking cylinder is used. When energised , the cylinder positions the latches for unlatching to take place. Being a spring return cylinder, docking function remain unaffected even if hydraulic function from ROV is lost.
 

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SPECIFICATIONS
SWL 1Te ~ 3Te
Material (Bullet) Stainless Steel, Duplex Stainless Steel,  Acetal
Material (Latching Ring) Galvanised Carbon Steel
Umbilical OD 20 ~ 40mm
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