Our Proof load testing water weight bags of the Lifeboat Davit are specifically designed and Produced with water filled insead of the traditional solid weights for gravity arm Luffing Lifeboat Davit loading test. The Proof load testing water weight bags of the Lifeboat Davit systems provide more safety and practical method for load testing for kinds of the lifting equipments and load bearing structures, Totally Enclosed Lifeboat And Rescue Boat Davit,Hydraulic Lifeboat Davit,Rescue Boat Davit,A Frame Davit and So on.Our Water Testing bags are made of special material with quick-set water inlet , outlet assembly and sling assembly. Our Proof load testing water weight bags of the davits are recognised as an efficient and effective solution for davits and crane loading test. the capacity we could offer as followings: 1MT, 2MT, 5MT, 10MT, 20MT, 25MT, 35MT, 40MT,50MT&100MT. We could offer the Proof load testing water weight bags of the Lifeboat Davit with good quality and price from BV Type Approval.