5 tons certification test water bag, also known as water hammer, test heavy water bag, hoisting water bag, weight water bag; mainly used for ship can be crane, shipyard crane, port crane, offshore platform crane, gantry crane, Various types of lifting equipment such as driving and davits are used for load testing. It is more efficient and safe than traditional solid weights, and it has lower detection costs. It is made of high-strength PVC layer cloth by high-frequency welding. It is resistant to corrosion and easy to clean. It can be used at -30°C to 70°C.

The high-frequency heat sealing process produces the water bag with a firmness and pull-resistant strength that is two to three times that of the viscose and high-temperature heat sealing process.

DERFLEX is professional manufacturer of PVC coated fabrics and customized water bags. If you have more interest, please contact us freely!