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Heavy Duty PVC Water Weight Bag with Fast Filling and Draining and Reinforced Seam Construction for Load Testing

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Heavy Duty PVC Water Weight Bag with Fast Filling and Draining and Reinforced Seam Construction for Load Testing
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Features
Specifications
Features: Durability, Adjustable Weight
Product Name: Water Weight Bag
Layers: 1-6Ply, Or As Request
Thickness: 0.4mm-2.5mm, Or As Request
Loadcell: 10-150 Tons
Reinforcement: Nylon Fabric
Capacity: 1T - 150T
Material: Top Notch PVC
Color: Black, Yellow, Orange, Or As Request
Usage: Weight Testing
Application: Structural Load Testing, Proof Load Testing
Basic Infomation
Place of Origin: China
Brand Name: Hongruntong Marine
Certification: ISO, BV, ABS, DNV, LR, SGS, CCS, RMRS
Model Number: HM-WWB56
Payment & Shipping Terms
Packaging Details: Wooden Pallets, Wooden Box
Delivery Time: 5-7 Work Days
Payment Terms: L/C,T/T,D/A,D/P,Western Union,MoneyGram
Supply Ability: 5690 Pcs Per Month
Product Description
Crane Load Test Water Bags Heavy Duty PVC Material Fast Filling and Draining Reinforced Seam Construction
Water Weight Bag is a flexible proof load testing system engineered for industrial lifting verification, offshore crane commissioning, structural load simulation, and marine equipment certification. The system is developed to replace traditional solid steel test weights with a more operationally efficient and transport-optimized loading solution.
Description
Hongruntong Marine manufactures Water Weight Bags using high-strength polyester base fabric combined with double-sided PVC coating technology to achieve stable mechanical performance under demanding industrial environments. The reinforced structural body is integrated with multi-layer load-bearing webbing assemblies, high-frequency welded seams, industrial filling valves, and corrosion-resistant lifting components.
The operational principle of the Water Weight Bag system is based on gradual filling and calibrated weight control. During testing procedures, water is introduced into the bag through controlled filling manifolds, allowing engineers to apply proof loads incrementally while continuously monitoring structural response, crane deflection, lifting stability, and operational safety parameters.
The product is widely used in offshore platforms, shipyards, port terminals, bridge engineering projects, renewable energy installations, heavy manufacturing plants, and industrial maintenance operations. The foldable structure significantly reduces storage volume after use, allowing efficient transportation to remote project locations.
Case Study
A large offshore engineering contractor in the United Arab Emirates required proof load testing for pedestal cranes installed on a newly constructed offshore accommodation platform before final commissioning. The project involved multiple cranes with lifting capacities ranging from 30 tons to 120 tons operating under strict offshore certification requirements.
Hongruntong Marine supplied a complete Water Weight Bag testing system customized for offshore deployment conditions. The project package included modular high-capacity Water Weight Bags, calibrated water distribution manifolds, reinforced shackles, certified lifting slings, and remote filling monitoring equipment.
During implementation, the Water Weight Bags were transported to the offshore platform in compact folded configurations, minimizing vessel cargo occupancy. The engineering team positioned the bags directly beneath the crane hooks using temporary spreader beams before initiating staged filling procedures.
The controlled loading process enabled the contractor to conduct precise proof load verification without exposing the crane structure to sudden shock loading conditions. Compared with the original steel-weight-based testing proposal, the Water Weight Bag solution reduced mobilization costs by approximately 35 percent while shortening offshore testing duration by nearly four days.
Heavy Duty PVC Water Weight Bag with Fast Filling and Draining and Reinforced Seam Construction for Load Testing 0 Heavy Duty PVC Water Weight Bag with Fast Filling and Draining and Reinforced Seam Construction for Load Testing 1
Specifications
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 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 Could be Customized
OEM Supported
Detailed Specifications Table
MODEL Weight Volume Empty Height (Length) Filled Height (Length) Max Diam ( ø) Dry Weight without accessories
HM-1T 1,000 kg / 2,204 lbs 1,000 L / 264 USG 2.52 m / 8.27 ft 2.23 m / 7.33 ft 1.39 m / 4.56 ft 36 kg / 80 lbs
HM-2T 2,000 kg / 4,409 lbs 2,000 L / 528 USG 2.87 m / 9.41 ft 2.6 m / 8.5 ft 1.65 m / 5.43 ft 41 kg / 90 lbs
HM-3T 3,000 kg / 6,613 lbs 3,000 L / 792 USG 3.38 m / 11.11 ft 2.97 m / 9.75 ft 1.82 m / 6.0 ft 50 kg / 110 lbs
HM-4T 4,000 kg / 8,818 lbs 4,000 L / 1,056 USG 3.41 m / 11.22 ft 3.07 m / 10.1 ft 1.88 m / 6.16 ft 64 kg / 141 lbs
HM-5T 5,000 kg / 11,023 lbs 5,000 L / 1,320 USG 4.14 m / 13.60 ft 3.52 m / 11.58 ft 2.13 m / 7.0 ft 80 kg / 176 lbs
HM-6T 6,000 kg / 13,227 lbs 6,000 L / 1,585 USG 4.39 m / 14.41 ft 3.91 m / 12.83 ft 2.28 m / 7.48 ft 86 kg / 189 lbs
HM-8T 8,000 kg / 17,636 lbs 8,000 L / 2,113 USG 4.54 m / 14.91 ft 3.93 m / 12.91 ft 2.52 m / 8.27 ft 104 kg / 230 lbs
HM-10T 10,000 kg / 22,046 lbs 10,000 L / 2,641 USG 5.18 m / 17.0 ft 4.49 m / 14.75 ft 2.70 m / 8.90 ft 130 kg / 286 lbs
HM-12.5T 12,500 kg / 27,558 lbs 12,500 L / 3,302 USG 5.43 m / 17.91 ft 4.62 m / 15.16 ft 2.86 m / 9.39 ft 154 kg / 340 lbs
HM-15T 15,000 kg / 33,069 lbs 15,000 L / 3,962 USG 6.24 m / 20.50 ft 5.48 m / 18.00 ft 2.95 m / 9.70 ft 159 kg / 350 lbs
HM-20T 20,000 kg / 44,100 lbs 20,000 L / 5,283 USG 6.78 m / 22.25 ft 6.04 m / 19.83 ft 3.42 m / 11.25 ft 224 kg / 492 lbs
HM-25T 25,000 kg / 55,115 lbs 25,000 L / 6,604 USG 7.51 m / 24.66 ft 6.40 m / 21.0 ft 3.75 m / 12.33 ft 315 kg / 695 lbs
HM-35T 35,000 kg / 77,161 lbs 35,000 L / 9,246 USG 8.07 m / 26.50 ft 7.11 m / 23.33 ft 3.91 m / 12.83 ft 417 kg / 920 lbs
HM-40T 40,000 kg / 88,184 lbs 40,000 L / 10,566 USG 8.71 m / 28.58 ft 7.72 m / 25.33 ft 4.07 m / 13.36 ft 440 kg / 970 lbs
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
HM-100T 100,000 kg / 220,462 lbs 100,000 L / 26,420 USG 11.27 m / 37.00 ft 10.00 m / 32.9 ft 5.65 m / 18.56 ft 952 kg / 2100 lbs
Features
Reinforced Structural Load Distribution System
The Water Weight Bag incorporates an engineered internal load distribution structure designed to maintain balanced stress transfer during suspended load testing operations. Multi-layer polyester reinforcement belts are integrated throughout the bag body to reduce localized stress concentration while improving overall structural integrity.
High-Frequency Welded Seam Technology
All primary seam connections are manufactured using industrial high-frequency welding systems to achieve uniform material fusion and improved pressure resistance. Compared with conventional stitched structures, welded seams provide enhanced sealing performance and reduced leakage risk during prolonged testing procedures.
Corrosion-Resistant Material Engineering
The external fabric surface utilizes specialized PVC coating technology developed for marine and industrial operating conditions. The coating layer improves resistance against ultraviolet exposure, salt spray corrosion, chemical contamination, and abrasion generated during repeated transportation and deployment.
Operationally Efficient Filling Configuration
The Water Weight Bag system is equipped with industrial-grade filling and discharge valves designed for rapid deployment and controlled water management. Quick-connect hose interfaces simplify onsite installation while allowing operators to regulate filling speed according to project testing requirements.
Applications
  • Offshore Crane Commissioning Operations: Water Weight Bags are extensively used for offshore crane commissioning and recertification programs where progressive proof load verification is required.
  • Shipyard and Port Infrastructure Testing: The system is suitable for proof load testing of gantry cranes, ship-to-shore cranes, lifting beams, and heavy cargo handling systems within shipyards and container terminals.
  • Industrial Structural Verification: Engineering contractors utilize Water Weight Bags for temporary structural loading applications involving bridge inspection, platform reinforcement analysis, steel structure validation, and heavy equipment installation projects.
Why Choose Hongruntong Marine
  • Integrated Industrial Manufacturing Capability: Hongruntong Marine operates specialized manufacturing facilities dedicated to marine lifting equipment and load testing systems.
  • Engineering-Based Product Development: The company continuously optimizes Water Weight Bag structural configurations based on operational feedback collected from offshore engineering projects.
  • Flexible Customization Capability: Hongruntong Marine provides customized Water Weight Bag solutions according to customer-specific load capacities, dimensional limitations, and environmental operating requirements.
  • International Project Supply Experience: The company has supplied Water Weight Bag systems for offshore construction contractors, marine engineering companies, and industrial maintenance organizations across multiple international markets.
FAQ
What is the primary advantage of Water Weight Bags compared with steel test weights?
Water Weight Bags significantly reduce transportation volume, simplify onsite handling, and enable gradual proof load application during lifting verification procedures. The flexible configuration also improves operational safety in restricted industrial environments.
Can the Water Weight Bags operate in offshore seawater conditions?
Yes. The bags are manufactured using corrosion-resistant coated materials engineered for offshore exposure involving saltwater, humidity, ultraviolet radiation, and variable environmental temperatures.
Are customized load capacities available?
Hongruntong Marine provides customized capacities, dimensions, and structural configurations according to project-specific operational requirements and lifting specifications.
How are the bags inspected before delivery?
Each Water Weight Bag undergoes dimensional verification, pressure testing, seam inspection, lifting point examination, and visual quality control procedures before shipment.
What maintenance procedures are recommended after operation?
After use, the bags should be cleaned with fresh water, fully drained, dried under ventilated conditions, and stored away from sharp objects or prolonged direct sunlight exposure.
Heavy Duty PVC Water Weight Bag with Fast Filling and Draining and Reinforced Seam Construction for Load Testing 2 Heavy Duty PVC Water Weight Bag with Fast Filling and Draining and Reinforced Seam Construction for Load Testing 3 Heavy Duty PVC Water Weight Bag with Fast Filling and Draining and Reinforced Seam Construction for Load Testing 4 Heavy Duty PVC Water Weight Bag with Fast Filling and Draining and Reinforced Seam Construction for Load Testing 5
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Tel : +8618910539783
Fax : 86-10-89461910
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