50T Capacity Water Weight Bag with Corrosion Resistant Material and High Strength Lifting Loops
Water Weight Bag is a flexible hydrostatic load testing system engineered for temporary proof load applications in offshore engineering, industrial lifting verification, infrastructure commissioning, and heavy equipment certification. The system is designed to replace rigid steel counterweights traditionally used during crane testing and structural validation procedures, providing improved transportation efficiency, operational adaptability, and controlled load management within demanding industrial environments.
Hongruntong Marine develops Water Weight Bags using high-density polyester reinforcement fabric integrated with industrial-grade PVC encapsulation technology to achieve stable tensile performance, environmental resistance, and long-term operational durability. The structural body is reinforced through distributed internal webbing assemblies that transfer suspended load forces evenly across the bag surface during hydrostatic loading conditions.
A major mining infrastructure contractor in Chile initiated expansion work at a large copper export terminal involving installation of new bulk material handling cranes and conveyor maintenance lifting systems. Before operational commissioning, all lifting equipment required certified proof load testing according to international industrial safety standards.
Hongruntong Marine supplied a customized Water Weight Bag system engineered specifically for mining terminal operating conditions involving abrasive dust exposure, coastal humidity, and high ultraviolet radiation levels. The supplied equipment package included reinforced modular bags ranging from 15 tons to 100 tons, industrial-grade filling manifolds, abrasion-resistant discharge systems, galvanized lifting accessories, and portable monitoring instruments.
The project implementation demonstrated significant advantages over traditional steel counterweights, reducing mobilization costs by nearly 40 percent and shortening project implementation time by approximately one week. The mining contractor subsequently adopted Hongruntong Marine Water Weight Bags as a permanent component of its infrastructure maintenance strategy.


| Parameter | Details |
|---|---|
| Name | Water Weight Bag |
| 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, 7P Phthalate Free, 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 (Special Sizes Customized) |
| OEM | Supported |
| MODEL | Weight | Volume | Empty Height | Filled Height | Max Diameter | Dry Weight |
|---|---|---|---|---|---|---|
| HM-50T | 50,000 kg / 110,231 lbs | 50,000 L / 13,208 USG | 8.99 m / 29.50 ft | 7.77 m / 25.50 ft | 4.56 m / 14.96 ft | 544 kg / 1200 lbs |
- High-Durability Industrial Fabric System: Reinforced high-density polyester textile structures developed for heavy-duty suspended loading applications with stable tensile strength and dimensional consistency.
- Abrasion and Environmental Resistance Engineering: External polymer coating optimized for industrial environments exposed to abrasive surfaces, mineral dust, seawater contamination, and ultraviolet radiation.
- Controlled Hydrostatic Load Application: Integrated filling system allows gradual hydrostatic load generation with adjustable water intake regulation for improved testing precision.
- Reusable Modular Configuration: Engineered for repeated filling, drainage, folding, transportation, and redeployment across multiple industrial projects.
- Mining and Bulk Material Infrastructure: Commissioning and maintenance testing of conveyor maintenance cranes, stacker systems, ship loading equipment, and terminal lifting infrastructure.
- Bridge and Civil Engineering Projects: Structural load simulation, temporary stress analysis, support beam testing, and bridge reinforcement verification programs.
- Renewable Energy Installation Operations: Proof load verification of lifting equipment installed at offshore wind farms, power generation facilities, and renewable energy infrastructure projects.
- Industrial Manufacturing Integration: Integrated production capability covering industrial fabric processing, reinforcement assembly, high-frequency welding, and structural inspection.
- Engineering-Oriented Product Optimization: Product development based on operational feedback from offshore engineering, mining infrastructure, and industrial maintenance projects.
- Flexible Production and Customization Capability: Customized engineering solutions involving specialized dimensions, reinforced environmental protection systems, and modular configurations.
- Global Industrial Project Coordination: Support for international industrial customers through coordinated manufacturing schedules and export logistics management.




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