Water Load Bags High Visibility Design Leak Proof Construction High Strength Durability
Load Testing Water Bags are engineered as a heavy-duty load application system specifically developed for proof load testing in offshore, marine, and high-risk industrial environments. By utilizing water as a controllable ballast medium, these systems allow engineers to apply large, precisely measured loads while maintaining a high level of operational safety and flexibility.
The bags are constructed from multi-layer, reinforced technical fabrics designed to withstand extreme tensile forces, dynamic loading conditions, and prolonged exposure to harsh environmental factors. Structural reinforcement zones are integrated into high-stress areas, ensuring stable load transfer during lifting and suspension.
An offshore engineering contractor successfully performed proof load testing on a 200-tonne pedestal crane using our Load Testing Water Bags. The platform had limited deck space and strict weight distribution limits, making traditional steel test weights impractical.
Hongruntong Marine supplied customized water bags that were delivered empty, significantly reducing transport weight. During testing, bags were suspended from the crane hook and gradually filled using seawater, allowing engineers to monitor crane performance under increasing load. The flexible nature of the water bags reduced dynamic effects caused by wind and platform movement.
The contractor reported improved safety conditions, reduced offshore time, and lower overall testing costs. The same water bag system was later reused on additional offshore assets.
- Application: Proof Load Testing, Offshore Load Testing, Structural Load Testing, Ship Load Testing, Industrial Equipment Testing, Research and Development
- Content: 100% POLYVINYL CHLORIDE
- Phthalate: 7P Phthalate Free (Includes all Phthalates Listed in CAL Prop 65, CPSIA and REACH)
- Backing Material Size: 1.8/2.0 MM X 1.55M, Thickness Produced as Per your Request
- Weight: 37.1 oz Square yard/ 1450 +- 50 GSM
- Special Features: UV Resistant, BPA Free, Tris Free, Formaldehyde Free, Does Not Contain Conflict Minerals
- Care Instructions: Rinse with Fresh Water and Air Dry, Do Not Store with Seawater and Keep Away from Heat Sources
- Available Sizes: 5000 kg, 8,000 kg, 10,000 kg, 15,000 kg, 20,000 kg, 30,000 kg, 50,000 kg, 100,000 kg
- Customization: Special Sizes and OEM Supported
| Model | Weight (kg/lbs) | Volume (Liters/m³) | Empty Height (m/ft) | Filled Height (m/ft) | Max Diameter (m/ft) | Dry Weight (kg/lbs) |
|---|---|---|---|---|---|---|
| HM-1T | 1,000 / 2,204 | 1,000 / 1 | 2.52 / 8.27 | 2.23 / 7.33 | 1.39 / 4.56 | 36 / 80 |
| HM-2T | 2,000 / 4,409 | 2,000 / 2 | 2.87 / 9.41 | 2.6 / 8.5 | 1.65 / 5.43 | 41 / 90 |
| HM-3T | 3,000 / 6,613 | 3,000 / 3 | 3.38 / 11.11 | 2.97 / 9.75 | 1.82 / 6.0 | 50 / 110 |
| HM-4T | 4,000 / 8,818 | 4,000 / 4 | 3.41 / 11.22 | 3.07 / 10.1 | 1.88 / 6.16 | 64 / 141 |
| HM-5T | 5,000 / 11,023 | 5,000 / 5 | 4.14 / 13.60 | 3.52 / 11.58 | 2.13 / 7.0 | 80 / 176 |
| HM-6T | 6,000 / 13,227 | 6,000 / 6 | 4.39 / 14.41 | 3.91 / 12.83 | 2.28 / 7.48 | 86 / 189 |
| HM-8T | 8,000 / 17,636 | 8,000 / 8 | 4.54 / 14.91 | 3.93 / 12.91 | 2.52 / 8.27 | 104 / 230 |
| HM-10T | 10,000 / 22,046 | 10,000 / 10 | 5.18 / 17.0 | 4.49 / 14.75 | 2.70 / 8.90 | 130 / 286 |
| HM-12.5T | 12,500 / 27,558 | 12,500 / 12.5 | 5.43 / 17.91 | 4.62 / 15.16 | 2.86 / 9.39 | 154 / 340 |
| HM-15T | 15,000 / 33,069 | 15,000 / 15 | 6.24 / 20.50 | 5.48 / 18.00 | 2.95 / 9.70 | 159 / 350 |
| HM-20T | 20,000 / 44,100 | 20,000 / 20 | 6.78 / 22.25 | 6.04 / 19.83 | 3.42 / 11.25 | 224 / 492 |
| HM-25T | 25,000 / 55,115 | 25,000 / 25 | 7.51 / 24.66 | 6.40 / 21.0 | 3.75 / 12.33 | 315 / 695 |
| HM-35T | 35,000 / 77,161 | 35,000 / 35 | 8.07 / 26.50 | 7.11 / 23.33 | 3.91 / 12.83 | 417 / 920 |
| HM-40T | 40,000 / 88,184 | 40,000 / 40 | 8.71 / 28.58 | 7.72 / 25.33 | 4.07 / 13.36 | 440 / 970 |
| HM-50T | 50,000 / 110,231 | 50,000 / 50 | 8.99 / 29.50 | 7.77 / 25.50 | 4.56 / 14.96 | 544 / 1200 |
| HM-100T | 100,000 / 220,462 | 100,000 / 100 | 11.27 / 37.00 | 10.00 / 32.9 | 5.65 / 18.56 | 952 / 2100 |
Designed to perform reliably under extreme load conditions, the flexible structure allows dynamic adaptation during lifting and suspension, reducing peak forces and mitigating shock loads to protect cranes and structural components.
Multi-layer coated fabrics with internal reinforcement zones provide exceptional resistance to tearing, abrasion, and puncture. Materials are selected for resistance to seawater, hydrocarbons, UV radiation, and temperature variations.
Modular design allows multiple water bags to be connected in parallel or series to achieve required proof loads, adapting a single set to multiple projects with varying requirements while simplifying transportation and storage.
Dedicated filling and draining interfaces compatible with standard pumps and hoses enable precise control over applied loads and support staged loading procedures required by offshore standards.
- Offshore Crane and Lifting Appliance Certification: Proof load testing of offshore cranes, winches, and davits on platforms, FPSOs, and offshore construction vessels
- Subsea and Offshore Structure Load Verification: Testing lifting frames, padeyes, and temporary lifting arrangements before subsea deployment
- Heavy Industrial Load Testing in Remote Locations: Ideal for remote industrial sites where access to traditional test weights is limited and logistics must be carefully managed
- Specialized Focus on Offshore and Heavy Engineering Projects: Extensive experience supporting projects that demand high safety margins and reliable equipment
- Engineering Led Customization and Load Planning: Technical support for selecting appropriate bag sizes, determining optimal configurations, and advising on load application procedures
- Robust Quality Assurance and Traceability: Thorough quality inspection and documentation with verified materials, seams, and lifting components
- Long Term Partnership and Lifecycle Support: Operational guidance, reuse planning, and replacement recommendations to maximize investment value
Yes. The flexible nature of water-filled loads allows the bags to adapt to movement caused by wind or minor platform motion, reducing shock loads compared to rigid weights.
Seawater can be used without affecting performance. The materials and fittings are designed to resist corrosion and degradation in marine environments.
Bags can be connected using certified shackles and spreader arrangements, allowing modular configurations that achieve the required proof load safely.
Before reuse, bags should be visually inspected for surface damage, seam integrity, and lifting point condition. Periodic detailed inspections are recommended for frequent offshore use.
The system is designed to support proof load testing in accordance with commonly applied offshore and marine standards, subject to project-specific procedures and approvals.
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