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Block and Tackle Recovery

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Block and Tackle Recovery

IMCA required Block & tackle system for Wet Bell. Comes standard with 8meter. All metal is SS 316.

Block and Tackle Recovery



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Block and Tackle
 
Ref: JKLQ.S0030
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Description
 

IMCA required Block & tackle system for Wet Bell. Comes standard with 8meter. All metal is SS 316.

The Diver Recovery Block and Tackle is used in the recovery of a diver into the diving bell. It is a 3:1 advantage pulley system with an extended length of 6m* – this is the estimated length from the top of the inside of the bell, through the bell trunking, to the base of the stage. Please check that this is the length required for your system - tailored lengths are available upon request.

Safe working load (SWL) - 385 Kgs
Breaking Load - 770 Kgs 

Lifting point:
The block and tackle needs to be attached to a secure lifting point which should be certified for at least 900Kg – a fully dressed diver can be estimated at 140Kg and this offers a 6x safety factor.

Pulleys:
The top pulley is fitted with a cam cleat which enables the rope to be ‘locked off’ each time it is pulled for recovery, thus permitting single-handed operation. The angle of the cleat is adjustable via ratcheted locking pin system, and this should be adjusted prior to use to suit the angle of use by the operator in the bell to make sure that it is in the optimum position. The bottom pulley has a quick opening snap shackle to permit clipping on to the lifting/recovery point on the diver’s harness.

Storage:
The Block & Tackle should be coiled neatly and stored in a safe, dry place when not in use, ensuring that the rope and pulley blocks are clean of dirt as much as possible. 



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