Water-filled bags to test virtually any lifting or load-bearing structure.

The use of WATER WEIGHTS® water filled proof load bags for proof load testing is recognized worldwide as the sensible and safest solution.

Our bags offer the simplest and most cost-effective means of load testing cranes, davits, derricks, winches and virtually any lifting equipment or load-bearing structure.

We supply a comprehensive range of bags with capacities from 1 to 110 metric tons. Combining bags and specially designed beams allow for very large capacity tests. Water Weights equipment is manufactured to the highest of standards, and have a physically proven factor of safety in excess of 6:1, making them fully compliant with Lifting Equipment Engineers Association (LEEA) 051 Guidance. They also carry ABS Product Design Assessment (PDA) certification.