WATER WEIGHTS® water filled proof load bags are a unique, safe and highly certified product specifically designed to provide a test load instead of traditional solid test weights.The use of WATER WEIGHTS® water filled proof load bags for load testing cranes, davits, derricks, winches or any item of lifting equipment is recognized worldwide as the most safe, efficient and cost effective system of load application.

WATER WEIGHTS'® water filled proof load bags weigh less than 2% of achievable load allowing for considerable savings in transport, storage and labor costs.

WATER WEIGHTS® water filled proof load bags has a physically proven factor for safety in excess of 6:1 and is proof load tested to over 2:1 prior to being put into service.

A comprehensive range of water bags is available. Combining varying capacities with specially designed beams results in high accuracy especially in large load tests.

Guidance on the design, inspection, and use of WATER WEIGHTS® water filled proof load bags as test weights.