QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
                                                                                                           
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Water Filled Water Weight Bags Yellow For Crane Proof Load Testing

Price Negotiable
Price: Negotiable
MOQ: 1pc
Delivery Time: 2~3 weeks
Brand: DOOWIN MARINE
Product Description
Water Filled Water Weight Bags for Crane Load Testing

Water Weight Bags are innovative hydraulic load-testing solutions designed to replace traditional solid weights during crane certification and structural integrity tests. These collapsible, water-filled systems offer enhanced safety, efficiency, and cost-effectiveness for proof load testing across industries such as construction, offshore operations, and heavy equipment maintenance.

Key Features & Advantages
Safety-Centric Design
  • Lifting sets are structurally separated from water bags to prevent systemic failure (safety factor ≥6:1 per drop tests)
  • Complies with LEEA 051, EN 1492, and ASME B30 standards
Operational Flexibility
  • Modular Capacity: Configurable from 1 to 110 metric tons with customizable low-height options for restricted spaces
  • Rapid Deployment: Fills/drains in minutes using high-pressure PVC/TPU hoses with camlock valves
Quality Assurance

TUV/NEL and BV Type Certificated by Drop Test Comply with LEEA 051

  • Fabricated from SGS-certified PVC coating fabric with 10,000+ test cycles durability
  • Includes repair kits and inspection plugs for field maintenance
  • Certifications: CE, GOST, CCC; optional third-party audits (BV, ABS, LR)
Applications
  • Crane Load Testing: Overhead cranes, lifeboat davits, derricks
  • Structural Tests: Beams, bridges, wind turbine foundations
  • Low-Headroom Projects: Custom compact designs available
Why Choose Water Weight Bags?
  • Cost Savings: 80% lower logistics costs vs. steel weights
  • Eco-Friendly: 100% recyclable materials, zero chemical leakage risks
  • Real-Time Monitoring: IoT-enabled versions for load telemetry (optional)
Specification of Water Weight Bags
Model Capacity Max.Diameter Filled Height Gross Weight
PLB-1T 1,000 KG 1.3m 2.2m 50kg
PLB-2T 2,000 KG 1.5m 2.9m 65kg
PLB-3T 3,000 KG 1.8m 2.8m 100kg
PLB-5T 5,000 KG 2.2m 3.7m 130kg
PLB-6T 6,000 KG 2.3m 3.8m 150kg
PLB-8T 8,000 KG 2.4m 3.9m 160kg
PLB-10T 10,000 KG 2.7m 4.8m 180kg
PLB-12.5T 12,500 KG 2.9m 4.9m 220kg
PLB-15T 15,000 KG 3.1m 5.5m 240kg
PLB-20T 20,000 KG 3.4m 5.5m 300kg
PLB-25T 25,000 KG 3.7m 5.7m 330kg
PLB-30T 30,000 KG 3.9m 6.3m 360kg
PLB-35T 35,000 KG 4.2m 6.5m 420kg
PLPX-40T 40,000 KG 4.3m 7.5m 450kg
PLB-50T 50,000 KG 4.8m 7.5m 560kg
PLB-55T 55,000 KG 4.9m 7.8m 600kg
PLB-75T 75,000 KG 5.3m 8.8m 820kg
PLB-100T 100,000 KG 5.7m 8.9m 1050kg
PLB-110T 110,000 KG 5.8m 9.0m 1100kg
Construction and Supply Range of Water Weight Bags
Construction details of water weight bags
FAQ of Water Weight Bags
How long is the warranty period?

The warranty period is 12 months or 18 months from the shipping date.

Do you provide services, contract services?

We stock many water-bags and air lift bags ready for rent service. We have the ability to design and can contract the load testing project, with our own water-bags and workers.

What is the production standard and safety factor?

All underwater air lift bags are manufactured in compliance with LEEA051 with safety-factor 6:1.

Do you have stock?

We have some common-size underwater air lift bags and load test water bags in stock for urgent use. But normally, the production is upon the order.

Do you provide free sample?

Sorry, we do not provide free sample. Our MoQ is 1 unit, you could buy one sample.

What kind of certificate do you provide?

Our water weight bags are Type Certified by TUV/NEL. We can provide ABS, BV, LR third-party certificate. We also provide the certificate for masterlink, shackles, lifting belts, and other accessories.

 

Drop Test in UK by TUN/NEL



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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company QINGDAO DOOWIN MARINE ENGINEERING CO., LTD.
Location Xiazhuang Industry Park, Chengyang, Qingdao, China
Contact Person Xiang Sun

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