... simple proof load testing method for the davit. Davit test water bags used for the prood ... load testing of rescure boat davit, swing arm davit, ship davit, workabotat davit, rig davits, telescope davits, ... it's newly finished, or periodic check or maintenance, such as cranes, beams, davits, and ... Convenience, High Efficiency. Features and Advantages of davit test water bags:- Made from heavy duty UV ...