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Hongruntong Marine LLC.

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China Reinforced Corner Seams Collapsible Storage Tear Resistant Fabric Load Testing
China Reinforced Corner Seams Collapsible Storage Tear Resistant Fabric Load Testing

  1. China Reinforced Corner Seams Collapsible Storage Tear Resistant Fabric Load Testing
  2. China Reinforced Corner Seams Collapsible Storage Tear Resistant Fabric Load Testing
  3. China Reinforced Corner Seams Collapsible Storage Tear Resistant Fabric Load Testing
  4. China Reinforced Corner Seams Collapsible Storage Tear Resistant Fabric Load Testing

Reinforced Corner Seams Collapsible Storage Tear Resistant Fabric Load Testing

  1. MOQ: 1
  2. Price: US$78-US$795
  3. Get Latest Price
Payment Terms L/C,T/T,D/A,D/P,Western Union,MoneyGram
Supply Ability 3682 Pcs Per Month
Delivery Time 5-8 Work Days
Packaging Details Wooden Pallets, Wooden Box
Name Load Testing Water Bags
Material Top Notch PVC
Usage Weight Testing
Layers 1-6Ply, or As Request
Thickness 0.4mm-2.5mm, or As Request
Loadcell 10-150 Tons
Reinforcement Nylon Fabric
Capacity 1T - 150T
Color Black, Yellow, Orange, or As Request
Packaging Pallets, Wooden Box
OEM Warmly Welcomed
Warranty 3 Years
Application Structural Load Testing, Proof Load Testing
Brand Name Hongruntong Marine
Model Number HM-WB69
Certification ISO, BV, ABS, DNV, LR, SGS, CCS, RMRS
Place of Origin China

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  1. Product Details
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Product Specification

Payment Terms L/C,T/T,D/A,D/P,Western Union,MoneyGram Supply Ability 3682 Pcs Per Month
Delivery Time 5-8 Work Days Packaging Details Wooden Pallets, Wooden Box
Name Load Testing Water Bags Material Top Notch PVC
Usage Weight Testing Layers 1-6Ply, or As Request
Thickness 0.4mm-2.5mm, or As Request Loadcell 10-150 Tons
Reinforcement Nylon Fabric Capacity 1T - 150T
Color Black, Yellow, Orange, or As Request Packaging Pallets, Wooden Box
OEM Warmly Welcomed Warranty 3 Years
Application Structural Load Testing, Proof Load Testing Brand Name Hongruntong Marine
Model Number HM-WB69 Certification ISO, BV, ABS, DNV, LR, SGS, CCS, RMRS
Place of Origin China
Proof Load Testing Bags Reinforced Corner Seams Collapsible Storage Tear Resistant Fabric
Product Overview

Hongruntong Marine Load Testing Water Bags are engineered specifically for the unique operational rhythms and spatial constraints of modern shipbuilding and ship repair facilities. These water bags are manufactured from a robust PVC-coated polyester fabric composite selected for exceptional resistance to incidental contact with steel weld spatter, grinding sparks, and sharp edges that characterize the shipyard environment.

The standard capacity range spans from compact 2-tonne units suitable for jib crane and monorail testing to 110-tonne configurations capable of proof loading the massive goliath gantry cranes that dominate major shipbuilding centers.

Case Study: Goliath Gantry Crane Commissioning

A major shipbuilding group in East Asia commissioned a new 1,200-tonne capacity goliath gantry crane. The commissioning protocol required a proof load test at 125 percent of rated capacity, representing a total suspended test load of 1,500 tonnes.

Hongruntong Marine provided a solution using fifteen 100-tonne capacity water bags deployed in a purpose-designed spreader frame configuration. The total fill time for the complete 1,500-tonne test load was 4 hours and 20 minutes, representing a fill rate of approximately 345 tonnes per hour.

The load test was completed successfully under the witness of surveyors from two classification societies. The total project cost for the water bag solution was less than forty percent of the estimated cost for solid weight alternatives.

Hongruntong Marine Load Testing Water Bag in shipyard application Close-up view of reinforced corner seams on load testing bag
Specifications
Name Load Testing Water Bags
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
Technical 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 / 1 m³
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 / 2 m³
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 / 3 m³
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 / 4 m³
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 / 5 m³
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 / 6 m³
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 / 8 m³
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 / 10 m³
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 / 12.5 m³
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 / 15 m³
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 / 20 m³
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 / 25 m³
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 / 35 m³
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 / 40 m³
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 / 50 m³
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 / 100 m³
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
Key Features
  • Weld Spatter Resistant Fabric Formulation: Specialized PVC coating formulation incorporates flame-retardant plasticizers and intumescent additives that resist perforation from welding spatter and meet ASTM D6413 for vertical flame propagation.
  • Distributed Lifting Architecture for Gantry Crane Compatibility: Configured with four or more independent lifting eyes arranged in rectangular patterns matching crane lifting beam geometry, with each eye individually proof tested to full rated capacity.
  • Stackable Configuration for Incremental Load Application: Multiple smaller-capacity bags can be positioned in vertical stacks separated by rigid load distribution plates, allowing graduated load application and reduced inventory requirements.
  • Extended Service Life Through Abrasion-Resistant Base Layer: Secondary abrasion-resistant base layer applied to bottom surface with high-loading silica filler increases surface hardness and provides visual wear indicator.
Applications
  • Newbuilding Crane Commissioning and Periodic Testing: Standardized test methodology for engine room overhead cranes, stores cranes, hose handling cranes, and provision cranes with classification society-compliant documentation.
  • Dry Dock Crane Maintenance and Repair Verification: Rapid deployment and recovery for mandatory periodic load testing within compressed vessel docking periods, minimizing impact on repair schedules.
  • Shipboard Lifting Appliance Testing During Outfitting: Transportable in collapsed state through vessel compartments, filled in situ using temporary hose connections, eliminating need for solid weight handling in confined spaces.
Why Choose Hongruntong Marine
  • Shipyard-Specific Design Heritage: Extensive experience in shipyard applications reflected in design details like color-contrasted lifting eyes, strategically positioned fill ports, and optimized drain port locations.
  • Large-Format Manufacturing Capability: Dedicated facility with welding tables extending to over 20 meters and specialized equipment for producing water bags with capacities up to 110 tonnes as standard catalog items.
  • On-Site Technical Support During Test Execution: Field service engineers provide practical support for fill rate optimization, rigging arrangement verification, and issue recognition during critical load tests.
  • Comprehensive Documentation for Classification Society Submission: Complete documentation packages tailored to requirements of major classification societies including Lloyd's Register, DNV, ABS, Bureau Veritas, and ClassNK.
Frequently Asked Questions
What is the maximum capacity of a single Hongruntong Marine water bag suitable for shipyard gantry crane testing?

Hongruntong Marine manufactures standard water bags with capacities up to 110 tonnes as single units. For applications requiring higher individual bag capacities, our engineering department can develop custom configurations with capacities approaching 200 tonnes. For the largest gantry crane tests, it is typically more practical to deploy multiple 50-tonne or 100-tonne bags in a spreader frame arrangement.

How are Hongruntong Marine water bags protected from damage during storage in an active shipyard environment?

Water bags should be thoroughly dried prior to folding, stored in supplied protective shipping bags, and placed in locations protected from direct sunlight and ozone sources. Purpose-designed storage containers including lockable steel boxes are available to provide additional protection against incidental contact, weather exposure, and unauthorized access.

Can Hongruntong Marine water bags be used in conjunction with the shipyard's existing solid test weights?

Yes, water bags are fully compatible with conventional solid test weights and can be integrated into hybrid test arrangements. The rigging must be engineered to ensure proper load distribution and that the combined center of gravity falls within the crane's allowable envelope. Engineering support for hybrid arrangements is available on request.

What is the procedure for repairing a water bag that has sustained minor damage during shipyard operations?

Minor damage not penetrating full fabric thickness or intersecting welded seams can be repaired in the field using supplied repair kits. The procedure involves cleaning, applying cold-vulcanizing adhesive, and placing a fabric patch extending 50 mm beyond damage perimeter. Damage intersecting seams, involving lifting eyes, or exceeding 100 mm should be referred for factory evaluation and repair.

Are Hongruntong Marine water bags certified for use in explosive atmospheres that may be encountered in tanker newbuilding or repair?

The bags are constructed from inherently non-sparking materials that don't accumulate static charge, but they are not certified to specific hazardous area classification standards. For tanker applications, use must be evaluated within the shipyard's hot work permit system and gas-free certification status. The shipyard's safety department should ensure all test arrangement aspects comply with applicable safe work procedures.

Load testing water bag deployment in industrial setting Water bag being filled for crane testing application Multiple water bags arranged for large-scale load testing

Company Details

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 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    1990

  • Total Annual:

    5,256,780-5,593210

  • Employee Number:

    220~360

  • Ecer Certification:

    Verified Supplier

Hongruntong Marine is a leading marine company specializing in providing comprehensive services in the maritime industry. With a strong emphasis on quality, safety, and efficiency, we strive to meet the evolving needs of our clients.     Established in 1990, Hongruntong Ma... Hongruntong Marine is a leading marine company specializing in providing comprehensive services in the maritime industry. With a strong emphasis on quality, safety, and efficiency, we strive to meet the evolving needs of our clients.     Established in 1990, Hongruntong Ma...

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  • Hongruntong Marine LLC.
  • C1-7, Xuhui Center, Jinguan North 2nd Street, Shunyi District, Beijing City, P.R. China 101300
  • https://www.marine-airbags.com/

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