Introduction Load test water bags is designed for the proof load testing for the lifting equipment and structures that request proof load testing weight when it’s newly finished, or periodic check or maintenance. Such as crane load testing, beam load testing, davit water load testing, derrick water load testing, overhead proof load testing. This water filled proof load bags offer one kind innovative water load test weight solution with the advantages of Safety, Economy, Convenience, High Efficiency. Water weight proof load test water bags are made of heavy duty coating fabrics, equipped with all necessary filling/drain hose components and valves, master links, shackles, lifting belts, and incorporating with some innovative design. All these features with the competitive price make crane test water weight bags as the first choice.