Heavy Load Test Bags Lightweight High Load Capacity UV Resistant 

Load Testing Water Bags are versatile, high capacity devices designed for accurate structural load simulation in civil and industrial engineering. They provide a safe, flexible alternative to traditional solid weights by using water to generate controlled, uniform loads. Constructed with multi-layer reinforced rubber, these bags withstand high pressures, repeated use, and harsh environmental conditions without compromising performance.

The design allows easy positioning, rapid filling, and secure load distribution. Cylindrical or rectangular bags adapt to uneven surfaces, while leak-proof valves and reinforced seams ensure operational safety. Their portability and modular sizing make them suitable for temporary or remote testing sites, reducing the need for costly permanent equipment.

In 2021, a construction company in Japan conducted a roof load test for a new industrial facility. The roof was designed to support heavy HVAC equipment totaling 90 tons. Using 15 Load Testing Water Bags, the team evenly distributed the bags across the roof deck, gradually filling them to simulate the equipment load. Real-time monitoring confirmed uniform weight application and structural integrity. After the test, the water was safely discharged, and the bags were rolled up for storage. This approach saved significant labor and time compared to traditional sandbags and allowed multiple roof sections to be tested sequentially with minimal disruption.

This case demonstrates the efficiency, safety, and adaptability of Load Testing Water Bags for complex structural load testing projects.

Load Testing Water Bags allow precise control over applied weight by adjusting water volume. This enables engineers to replicate exact load scenarios for bridges, industrial platforms, roofs, and temporary structures.

Made of high-quality abrasion-resistant rubber with cord reinforcement, the bags resist tearing, pressure, and rough surface wear. UV and chemical resistance ensures reliable outdoor performance. Multi-layer construction extends durability for repeated testing.

Empty bags are lightweight and easy to transport. Modular sizes allow customization for different load requirements. Cylindrical shapes conform to uneven surfaces, providing stable, uniform support without additional structures.

Leak-proof valves and reinforced seams enable safe filling and controlled water discharge. Gradual inflation and deflation prevent sudden load shifts, protecting both operators and tested structures.

• Roof Load Testing - Simulate concentrated equipment loads or snow accumulation to verify structural safety of roofs and industrial facilities.
• Temporary Structure Verification - Test platforms, scaffolds, and industrial floors to ensure they can handle operational loads safely and reliably.
• Crane and Lifting Device Calibration - Provide precise, adjustable weights for testing cranes, hoists, and lifting equipment, ensuring safety and compliance with engineering standards.

• Specialized Engineering Experience - Hongruntong Marine has over 20 years of experience in Load Testing Water Bag design and manufacturing. Our R&D team ensures optimal load distribution, durability, and safety for every product.
• Rigorous Manufacturing Standards - Produced in ISO-certified facilities using high-strength rubber and multi-layer cord reinforcement, each bag is tested for leak resistance, tensile strength, and pressure endurance. Automated production ensures consistent quality.
• Proven Global Performance - Our products have been successfully deployed in over 35 countries, including Asia, Europe, and North America. Projects range from bridge load verification to industrial platform testing, demonstrating reliability under diverse conditions.
• Comprehensive Support and After-Sales Service - We provide detailed manuals, on-site guidance, and maintenance support. Spare parts and repair kits are available to ensure safe operation and extend product lifespan. Our technical team assists with project planning and troubleshooting.