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 load test water weight bags are designed for proof load testing the lifting equipment and structures that request proof load weight testing. When it’s newly finished, or periodic check or maintenance. Such as crane load testing, beam load test, lifeboat davit load test, overhead crane load test. So, this water-filled water weight bags offer one kind of innovative crane load test weights solution. Most noteworthy, it has the advantages of Safety, Economy, Convenience, High Efficiency.
Top Quality Masterlink and Shackles
Top quality master link and shackles Made in China, top brand, EN 1677 or EN 13889. Crosby or Greenpin are available.
Double Ply 7:1 Eye-eye Webbing Slings
Comply with EN1492-2:2000 and EN1492-1:2000. Provide certificate of compliance.
High Pressure Filling & Drain Water Hose
High quality PVC and TPU high pressure hoses with valves and camlock.
Repair Material Complete Accessories
Equipped all fittings, ready for use. Include repair kits free of charge.
The below specification is a common size proof load bags. In addition, we also make other size and capacity load test water bags upon request. We also make the low height proof load bags used for the low headroom projects.
| Model | Capacity (kg) | Max. Diameter | Filled Height | Gross Weight |
| PLB-1 | 1000 | 1.3m | 2.2m | 50kg |
| PLB-2 | 2000 | 1.5m | 2.9m | 65kg |
| PLB-3 | 3000 | 1.8m | 2.8m | 100kg |
| PLB-5 | 5000 | 2.2m | 3.7m | 130kg |
| PLB-6 | 6000 | 2.3m | 3.8m | 150kg |
| PLB-8 | 8000 | 2.4m | 3.9m | 160kg |
| PLB-10 | 10000 | 2.7m | 4.8m | 180kg |
| PLB-12.5 | 12500 | 2.9m | 4.9m | 220kg |
| PLB-15 | 15000 | 3.1m | 5.5m | 240kg |
| PLB-20 | 20000 | 3.4m | 5.5m | 300kg |
| PLB-25 | 25000 | 3.7m | 5.7m | 330kg |
| PLB-30 | 30000 | 3.9m | 6.3m | 360kg |
| PLB-35 | 35000 | 4.2m | 6.5m | 420kg |
| PLB-50 | 50000 | 4.8m | 7.5m | 560kg |
| PLB-75 | 75000 | 5.3m | 8.8m | 820kg |
| PLB-100 | 100000 | 5.7m | 8.9m | 1050kg |
| PLB-110 | 110000 | 5.8m | 9.0m | 1200kg |
SGS Material Certificate
UK NEL TUV Drop Test Certificate
BV Type Approval Certificate
CE Certificates
ISO 9001:2015 Quality Certificate



