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خانه /محصولات/کیسه های شناور/High Strength Airtight Durable Tear Resistant Marine Lift Bags for Underwater Lifting

High Strength Airtight Durable Tear Resistant Marine Lift Bags for Underwater Lifting

1
MOQ
US$66-US$888
قیمت
High Strength Airtight Durable Tear Resistant Marine Lift Bags for Underwater Lifting
امکانات گالری توضیحات محصول درخواست نقل قول
امکانات
مشخصات
نام محصول: کیسه های شناور
تقویت: پارچه نایلونی
ویژگی: ساخت و ساز بادوام ، پر کردن و تخلیه آسان
ظرفیت بالابری: 200 کیلوگرم تا 50 تن
ضخامت: 0.4mm-2.5mm یا به عنوان درخواست
دریچه: تورم و آزاد شدن فشار
رنگ: سیاه ، زرد ، نارنجی یا به عنوان درخواست
مواد: پارچه روکش پی وی سی
برنامه: آزمایش بار ساختاری ، آزمایش بار اثبات
اطلاعات اولیه
محل منبع: چین
نام تجاری: Hongruntong Marine
گواهی: ISO, BV, ABS, DNV, LR, SGS, CCS, RMRS
شماره مدل: HM-BB259
پرداخت
جزئیات بسته بندی: پالت چوبی، جعبه چوبی
زمان تحویل: 5-7 روز کاری
شرایط پرداخت: L/C، T/T، D/A، D/P، Western Union، MoneyGram
قابلیت ارائه: 3653 عدد در ماه
توضیحات محصول
Marine Lift Bags High Strength Airtight Durable Tear Resistant
Hongruntong Marine Buoyancy Bags are engineered for professional underwater lifting, subsea recovery, offshore construction support, and marine salvage operations requiring stable buoyancy performance under demanding operational conditions. The product is manufactured using high-strength synthetic industrial fabric combined with reinforced internal load-bearing structures and abrasion-resistant protective coatings, enabling reliable operation in offshore, harbor, river, and deep-water engineering environments.
The buoyancy system is designed to provide controlled lifting force during submerged handling procedures involving steel structures, pipelines, marine equipment, underwater machinery, and construction modules. The cylindrical body configuration improves hydrodynamic stability while reducing underwater drag during deployment, ascent, and repositioning processes. Reinforced webbing assemblies distribute lifting loads evenly throughout the bag structure, minimizing localized stress concentration and improving structural integrity during high-load operations.
The material system demonstrates excellent resistance against seawater corrosion, ultraviolet exposure, hydrocarbon contamination, mechanical abrasion, and long-term environmental fatigue. Precision-manufactured inflation and pressure management components support stable buoyancy adjustment while maintaining operational reliability during prolonged subsea deployment. The equipment can be integrated with standard offshore rigging systems including shackles, slings, chains, lifting frames, and underwater support assemblies.
Hongruntong Marine Buoyancy Bags are widely used by offshore engineering contractors, commercial diving companies, dredging operators, marine infrastructure maintenance providers, and underwater recovery specialists seeking dependable lifting solutions for complex subsea working conditions. The product is developed to improve operational efficiency, reduce heavy-lifting dependency, and enhance underwater handling safety during marine engineering projects.
Case Study: Offshore Pipeline Recovery Project in Southeast Asia
A subsea pipeline rehabilitation project conducted near an offshore oil transfer terminal in Southeast Asia required the controlled recovery and repositioning of multiple damaged steel pipeline sections located approximately 35 meters below sea level. The operational area presented significant engineering challenges due to limited underwater visibility, unstable seabed conditions, active marine traffic, and restricted crane vessel positioning capability around existing subsea infrastructure.
The engineering contractor selected Hongruntong Marine Buoyancy Bags as the primary underwater lifting solution for the recovery operation. Divers installed multiple buoyancy units at designated lifting points along the submerged pipeline structure while surface personnel monitored inflation sequencing and pressure stabilization procedures. Because the damaged sections exceeded 18 tons per segment, balanced load distribution and controlled ascent performance were critical to preventing structural deformation during lifting.
The buoyancy bags generated stable lifting support throughout the recovery process while maintaining predictable underwater handling characteristics under fluctuating tidal conditions. The reinforced structural configuration minimized stress concentration across the steel pipeline surface and reduced the risk of uncontrolled movement during ascent. The gradual lift capability also allowed operators to separate partially buried pipeline sections from compacted seabed sediment without causing additional structural damage.
Compared with conventional heavy crane lifting procedures, the buoyancy-assisted recovery system significantly reduced offshore vessel standby duration and improved operational flexibility within the restricted subsea work zone. The contractor completed the recovery process ahead of schedule while lowering fuel consumption, minimizing operational interruption near the terminal area, and reducing overall marine logistics costs.
Following project completion, the contractor reported that the buoyancy bags maintained excellent pressure retention characteristics during prolonged underwater deployment and demonstrated high resistance against abrasion from submerged steel surfaces and seabed debris. The successful implementation resulted in the integration of Hongruntong Marine Buoyancy Bags into the contractor's long-term offshore recovery equipment program for future subsea maintenance operations.
High Strength Airtight Durable Tear Resistant Marine Lift Bags for Underwater Lifting 0 High Strength Airtight Durable Tear Resistant Marine Lift Bags for Underwater Lifting 1
Specifications
Product Name Buoyancy Bags
Raw Material PVC coating fabric
Type Cylindrical
Size 500kg, 1000kg, 5000kg, 10000kg, etc
Thickness 0.4-1.2mm, or as request
Color Yellow, Blue, Black, etc
Density 0.33-0.9g/cm3
Safety Factor 7:1
Tolerances +/- 0.03 on densities +/- 0.2 mm on thickness +/- 0 to +3mm on width +/- 0 to +3mm on length
Model Specifications
Model Buoyancy (kg) Buoyancy (lbs) Diameter (mm) Length (mm) Appr. Weight (kg)
HM-ULB01 200 441 500 1,000 5
HM-ULB02 500 1,103 800 1,000 8
HM-ULB03 1,000 2,205 1,000 1,500 11
HM-ULB04 2,000 4,410 1,300 1,500 20
HM-ULB05 4,000 8,820 1,600 2,000 50
HM-ULB06 6,000 13,230 2,000 2,000 66
HM-ULB07 8,000 17,640 2,000 2,600 75
HM-ULB08 10,000 22,050 2,400 2,400 80
HM-ULB09 15,000 33,075 2,600 3,000 110
HM-ULB10 20,000 44,100 3,000 3,000 130
HM-ULB11 30,000 66,150 3,000 4,500 170
HM-ULB12 50,000 110,250 4,000 4,000 220
HM-ULB13 70,000 154,350 4,000 5,700 310
HM-ULB14 100,000 220,500 4,000 8,000 450
HM-ULB15 150,000 330,750 5,000 8,000 660
HM-ULB16 200,000 441,000 5,000 10,000 900
Note: Other sizes can be customized according to the requirements.
Features
  • High-Strength Reinforced Structural System
    Hongruntong Marine Buoyancy Bags are manufactured using industrial-grade reinforced synthetic fabric designed for demanding underwater lifting environments involving heavy submerged loads and repeated operational cycles. The internal structural system incorporates reinforced load-distribution webbing engineered to transfer lifting forces uniformly throughout the bag body, improving structural balance and reducing localized material fatigue during high-pressure deployment conditions. The reinforced seam configuration combines precision stitching technology with high-strength welding processes to improve pressure resistance and long-term operational durability.
  • Advanced Pressure Management Performance
    The buoyancy bags incorporate precision-engineered inflation and overpressure control systems developed for stable underwater buoyancy adjustment. Operators can regulate air input gradually to achieve controlled ascent speed, balanced lifting force distribution, and improved underwater handling precision during complex recovery procedures. Integrated pressure relief assemblies reduce excessive internal pressure accumulation during ascent and improve operational safety under changing depth conditions.
  • Marine Environmental Resistance Technology
    Marine engineering equipment is frequently exposed to corrosive seawater conditions, ultraviolet radiation, abrasive structural contact, and hydrocarbon contamination. Hongruntong Marine Buoyancy Bags utilize specialized external coating technology designed to resist environmental degradation while preserving long-term operational flexibility. The protective surface layer improves resistance against tearing, puncture damage, marine growth accumulation, and mechanical wear caused by repeated contact with underwater steel structures, concrete foundations, and seabed materials.
  • Flexible Offshore Operational Compatibility
    The product is engineered for compatibility with a wide range of offshore lifting systems and underwater operational procedures. Multiple reinforced attachment points support integration with standard marine rigging components including chains, slings, shackles, spreader frames, and remotely operated support systems. The foldable structural configuration simplifies transportation and onboard storage while reducing deck space requirements for offshore vessels and marine construction platforms.
Applications
  • Offshore Pipeline Installation and Recovery
    Hongruntong Marine Buoyancy Bags are widely utilized during subsea pipeline installation, recovery, and maintenance procedures requiring controlled underwater positioning and balanced lifting support. The buoyancy system assists contractors in reducing structural stress during pipe alignment, seabed placement, and damaged section replacement operations under offshore conditions.
  • Underwater Salvage and Wreck Recovery
    Marine salvage operators use the equipment for recovering submerged vessels, steel structures, underwater machinery, and construction debris from ports, offshore zones, rivers, and industrial waterways. Stable buoyancy characteristics improve ascent control while reducing the risk of uncontrolled load shifting during recovery operations.
  • Harbor Infrastructure Maintenance
    The product supports underwater maintenance and repair activities involving bridge foundations, quay walls, submerged structural assemblies, mooring systems, and marine civil engineering components. Commercial diving teams can reposition heavy structural elements efficiently while maintaining accurate underwater operational control.
Why Choose Hongruntong Marine
  • Professional Marine Engineering Manufacturing Experience
    Hongruntong Marine possesses extensive manufacturing and engineering experience within the offshore lifting, marine construction, and subsea recovery industries. The company develops underwater buoyancy systems based on practical offshore operational requirements rather than theoretical laboratory conditions, ensuring reliable field performance under demanding marine environments.
  • Strict Industrial Quality Control Standards
    Every buoyancy bag undergoes comprehensive inspection and testing procedures covering material verification, dimensional accuracy, pressure retention performance, seam integrity, and lifting reliability before delivery. Hongruntong Marine applies controlled production management systems throughout fabrication and assembly processes to ensure consistent product quality across all manufacturing batches.
  • Customized Engineering and Production Capability
    Different marine engineering projects require different lifting capacities, dimensions, attachment configurations, and operational specifications. Hongruntong Marine provides customized production support according to customer project requirements including structural reinforcement modification, specialized coating systems, customized lifting arrangements, and project-specific pressure configurations.
  • Global Offshore Project Supply Support
    Hongruntong Marine supplies underwater lifting solutions for international offshore engineering, dredging, marine infrastructure, and subsea maintenance projects. The company maintains efficient production scheduling and export coordination capability to support global project delivery requirements and demanding operational timelines.
FAQ
  • What lifting capacities are available for Hongruntong Marine Buoyancy Bags?
    The product range includes multiple lifting capacities suitable for underwater maintenance, offshore recovery, subsea construction, and heavy marine engineering operations. Customized lifting capacities can also be manufactured according to project-specific requirements.
  • Can the buoyancy bags operate in deep-water subsea environments?
    Yes. The reinforced structural design and pressure management system are engineered for professional subsea operations involving elevated hydrostatic pressure conditions and prolonged underwater deployment.
  • What materials are used in the bag construction?
    The product is manufactured using high-strength industrial synthetic fabric combined with reinforced internal webbing systems and abrasion-resistant marine protective coatings.
  • How should the buoyancy bags be maintained after operation?
    After use, the equipment should be cleaned with fresh water, inspected for surface damage, dried completely, and stored in a ventilated environment away from direct ultraviolet exposure and chemical contamination.
  • Can customized attachment configurations be provided?
    Yes. Hongruntong Marine supports customized attachment systems, reinforcement layouts, dimensions, lifting arrangements, and coating specifications according to operational and engineering requirements.
High Strength Airtight Durable Tear Resistant Marine Lift Bags for Underwater Lifting 2 High Strength Airtight Durable Tear Resistant Marine Lift Bags for Underwater Lifting 3 High Strength Airtight Durable Tear Resistant Marine Lift Bags for Underwater Lifting 4
برچسب:

محیط های شدید دریایی,آبپاش های لنگر زنی دریایی چین,محیط های خشن بوهای لنگر انداز دریایی

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تماس با شخص : Mr. William Lau
تلفن : +8618910539783
فکس : 86-10-89461910
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در تماس باشید
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+8618910539783
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