Water Weight Bags

Water weight bags are simple and safe water filled crane test weights designed to provide proof load testing instead of traditional solid load test weights.

DOOWIN water filled load testing bags are designed for proof load testing of the lifting equipment and structures, which is newly finished, or periodic check or maintenance. Such as crane load testing, beam load test, lifeboat davit load test, derrick load testing, overhead crane load test. The water bag test weights offer one kind of innovative crane load test weights solution. Moreover, it has the advantages of Safety, Economy, Convenience, High Efficiency.

Specifications & Advantages

Proof load test weights bag is one crane test weights system including crane test weights bags and all its accessories. These load testing bags are designed that the lifting set is separate from the water bag body. So the failure of any one webbing element will not result in failure of the lifting set nor cause a local overload of the weight test water bags.

Masterlink & Shackles

Top quality masterlink & shackles Made in China, EN 1677 or EN 13889.

Polyester Webbing Lifting Straps

EN1492-2:2000 and EN1492-1:2000. Provide Certificate of Conformity.

Filling & Drain Water Hose

High quality PVC and TPU high-pressure hose with valves and comlocks.

Complete Accessories

Equipped all fittings. Ready for use. Include repair material free.

Drop Test Type Certificated

DOOWIN load testing water bags are designed, manufactured, tested and certificated in comply with LEEA 051 guidance.

Inspection

Load test weights bags should be tested with 0.25~0.5 bar pressure then visual check of welded seams for integrity and no leakage.

Safety Factor

The safety factor of crane test weights bags should be proven by drop test to at least 6 times the working load limit.

Lifting Sets

Lifting set should separate from water bags boy. Comprised several elements should share the load to ensure safety.