Buoyancy & Ballast

Crane Waterload Testing Weight Bags

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Seaflex Waterbags Overview
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WaterLoad - When Only The Best Will Do

Seaflex WaterLoad bags (WLBs) are the safe, efficient and economical method for testing cranes, davits and other load-bearing structures.

All Seaflex WLBs are designed, manufactured, tested and certified in accordance with LEEA 051 guidelines. Specifically, they've been drop-tested to prove a minimum 6:1 factor of safety on their WLL (4:1 on the 50t WLB due to test rig limitations). Units up to and including 35t also carry Product Design Assessment (PDA) from ABS - the first, and currently only, waterbags in the industry to hold this level of certification.

All our WLBs are supplied in their own ISPM 15 transit cases, rather than on pallets, to virtually eliminate the risk of damage during transport or storage compromising the performance of the bags onsite.