Shanghai Donghui Waterproof Engineering Co., Ltd., established in 2019 and head quartered in Songjiang District, Shanghai（ABS and Aluminum alloy water baffle））, has branch factories and warehouses in Hangzhou（ABS new material）, ,and Hebei Province ( for ABS recycled products）to meet market demand. Its total factory area is 5,000 square meters.The company primarily deals in ABS flood control barriers, aluminum alloy sluice gates,stainless steel rodent-proof fences, flood control equipment and materials, customized flood control solutions, and other waterproofing projects.
Donglianhui Security Technology Co., Ltd. mainly deals in flood control barriers and customized solutions, as well as export services related to security products and traffic facilities.We work closely with selected manufacturing partners and manage the entire export process, including production follow-up, quality control, logistics, and after-sales service.
Through years of effort, the company has continuously improved its product performance, gradually forming a series of products to meet the needs of different scenarios, such as the DH-FZ/WZ50/60/75/80/100 series. The company continuously introduces advanced technologies from home and abroad to optimize and solve customers’ flood control and disaster relief problems. To date, the company has successfully completed thousands of waterproofing projects, collaborating with companies such as Ningbo Metro, Hefei Metro, Xi’an Metro, and Greentown Property, and has received widespread praise. In the future, the company will continue to be proactive and innovative, providing better protection for its clients!
Main business: Production of ABS flood control and water barrier ,Aluminium alloy flood barrier and customization of solutions, Support wholesale /Logo customized, bulk orders & container loading for flood control projects and distributors,Welcome to contact for sample and factory price.
ABS Flood Barrier advantages:
1: The product is made of ABS plastic with anti-UV coating on the surface
2: Environmentally friendly and lightweight, easy to move quickly without installation.
3: It supports customization of multiple height sizes and can be adjusted according to the on-site dimensions to achieve the best water-blocking effect. The waterproof performance can reach 95%,
The first choice for flood control and prevention!
Frequently Asked Questions
Q: What advantages do ABS barriers offer over sandbags?
A: ABS barriers provide 90% weight reduction (5-8 lbs per linear foot vs. 50-75 lbs for sandbags), 95% faster deployment (15-20 minutes vs. 4-6 hours for 100-foot protection), and complete reusability (50+ deployments vs. single-use sandbags). The lifetime cost per deployment is approximately $280 for ABS barriers compared to $1,550 for sandbags, representing 82% savings over 10 years.
Q: What is the maximum water height ABS barriers can protect against?
A: Standard systems offer protection heights of 20-30 inches, with specialized MAX series reaching 40 inches. Engineers recommend maintaining 1-2 inches freeboard below the barrier top, so a 30-inch barrier safely protects against 28 inches of water depth. For safety factors accounting for wave action and surges, design protection should target 80-85% of barrier height. Water depths exceeding 40 inches require permanent flood wall installations.
Q: Do ABS barriers require ground anchoring or cause surface damage?
A: No permanent anchoring is required. The L-shaped or box-wall design creates self-ballasting, where rising water pressure increases stability by pressing the barrier firmly against the ground. This eliminates drilling, concrete anchors, or ground penetration. Barriers can be deployed on any reasonably flat surface without causing damage, making them ideal for rental properties, public spaces, and historically significant locations where permanent modifications are prohibited.
Q: What happens if a panel develops a leak? How often do seals need replacement?
A: Minor seepage (<3 liters/minute per 10 meters) is normal and managed through dewatering pumps. Significant leaks typically result from seal degradation or improper installation. Gaskets and foam sealing strips should be inspected after every 5 deployments and replaced every 3 years or 15 deployments, whichever occurs first. Replacement seals cost $15-25 per panel and take 5-10 minutes to install. Maintaining a 20% spare seal inventory ensures immediate field replacement capability.
Q: Can ABS barriers function in winter conditions or with debris-laden water?
A: Yes. ABS material maintains flexibility and strength in temperatures as low as -20°C (-4°F), preventing cold-weather brittleness that affects many plastics. For debris-laden water, barriers withstand impacts from floating branches, light logs, and typical flood debris without puncture or seal compromise. However, large objects (vehicle-sized debris) or sharp industrial materials may cause damage. In sediment-heavy environments, post-deployment cleaning is essential to prevent abrasive wear on sealing surfaces.
Q: How do I calculate the number of barriers needed and request pricing?
A: Calculate required length by measuring the perimeter you need to protect. Divide this length by individual panel width (typically 2-2.5 feet) and add 10% contingency. For example, protecting a 50-foot entrance requires: (50 ÷ 2.5) × 1.10 = 22 panels. Include corner modules for directional changes ($150-200 per corner) and end caps ($75-100 per set). Typical pricing ranges from $80-150 per linear foot depending on height specification and order volume. Request quotes by providing: protection length, required height, surface type, and expected deployment frequency. Many suppliers offer rental programs for infrequent use scenarios, typically 20-30% of purchase price for seasonal rentals.
Q: Are ABS flood barriers reusable?
A: Yes, quality ABS flood barriers provide 50+ deployment cycles with proper maintenance, making them highly cost-effective compared to single-use alternatives like sandbags.
Q: Can one person install ABS emergency flood panels?
A: Most residential ABS flood panels are designed for single-person installation within 1-3 minutes, though larger commercial systems may require additional personnel.
Q: Are they suitable for residential and commercial buildings?
A: ABS flood protection systems serve both residential and commercial applications, with scalable designs accommodating various opening sizes and protection requirements.
Q: Do ABS flood protection systems require drilling?
A: Most systems utilize compression mounting that requires no permanent installation, though some applications may benefit from optional mounting hardware for enhanced stability.
Q: What is the expected service lifespan of ABS sealing strips?
A:Properly maintained sealing strips typically provide 5-10 years of service life, with replacement intervals depending on usage frequency and environmental exposure.
Q:Can ABS barriers withstand strong water currents?
A: ABS barriers are designed to resist hydrostatic pressure rather than flowing water. For high-velocity current applications, additional anchoring or engineering consultation may be required
