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Help CenterPVC Temporary Cofferdam System for Water Conservancy Projects
Product Spotlights
No need for heavy equipment or fixed foundation; quick to set up on site.Leak-proof & High Strength
Reinforced PVC material with welded seams, durable and anti-tear.
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PVC Temporary Water Bag: Detailed English Introduction
Product Overview
PVC temporary water bags (also known as PVC flexible water bladders, collapsible water tanks, or portable water containers) are lightweight, flexible, and portable liquid storage solutions made from high-strength polyvinyl chloride (PVC) materials. Designed for temporary water storage, transportation, and containment, they serve as a practical alternative to rigid water tanks, concrete reservoirs, or metal barriers in scenarios requiring rapid deployment and flexible usage.
Material & Construction
Base Material: High-density, reinforced PVC (often 1000D PVC with double-layer or mesh-reinforced fabric) for exceptional durability.
Thickness: Typically 0.7–1.2 mm (0.028–0.047 inches), customizable based on capacity and application.
Manufacturing: High-temperature seamless welding technology ensures airtight, leak-proof seams and structural integrity.
Special Treatments: UV-resistant, anti-aging, fire-retardant, and anti-mildew coatings available for extended outdoor service life.
Temperature Resistance: Operates reliably in environments from -30°C to 70°C (-22°F to 158°F).
Core Features
Portability & Foldability
Lightweight and highly flexible; folds/rolls into a compact size when empty (≈1/20 of operational volume).
Easy to transport, store, and deploy without heavy machinery or complex foundations.
Leak-Proof & Durable
Precision-welded seams and reinforced inlet/outlet ports eliminate water leakage.
Resistant to tears, punctures, abrasion, and mild chemical corrosion.
Customizable Capacity
Available in standard sizes: 50L, 240L, 330L, 540L, 1,000L, 5,000L, 10,000L, 20,000L, and up to 50,000L; fully customizable capacities (5–5,000 m³).
Easy Installation & Operation
Pre-installed inlet/outlet valves (DN20, DN25, DN50, DN80, DN110, etc.) for quick connection to hoses or pumps.
Requires no professional tools; 2-person teams can set up 1,000 m³ units in ~4 hours.
Versatility
Compatible with potable water (food-grade options available), non-potable water, and mild chemicals.
Suitable for indoor and outdoor use in diverse climates and terrains.
Technical Specifications (Typical)
| Parameter | Details |
|---|---|
| Material | Reinforced PVC (1000D double-layer) |
| Thickness | 0.7–1.2 mm |
| Capacity | 50L–50,000L (customizable) |
| Shape | Rectangular, pillow, or cylindrical |
| Inlet/Outlet Valves | DN20, DN25, DN50, DN80, DN110, DN150, DN200 |
| Operating Temperature | -30°C to 70°C |
| Service Life | 5–15 years (depending on usage and maintenance) |
| Weight (Empty) | Varies by size (e.g., 5.9 kg for 330L model) |
Applications
1. Emergency & Disaster Response
Temporary water supply for earthquake, flood, drought, or wildfire relief.
Flood control, water diversion, and containment during natural disasters.
Mobile water storage for remote rescue operations.
2. Agricultural & Horticultural
Drought-resistant water storage for farmland irrigation.
Rainwater harvesting and storage for gardens, lawns, and nurseries.
Livestock watering and aquaculture temporary water holding.
3. Construction & Engineering
On-site temporary water supply for construction projects.
Foundation dewatering and sediment water storage.
Bridge pre-pressure testing and temporary water barriers.
4. Industrial & Commercial
Temporary storage of process water, cooling water, or non-hazardous liquids.
Water transport for mining, oilfield, and manufacturing operations.
Event and festival temporary water supply.
5. Recreational & Residential
Camping, RV, and outdoor adventure water storage.
Household emergency water reserve.
Garden and patio water storage for irrigation.
Advantages Over Traditional Storage
Cost-Effective: Lower upfront cost; reduces transportation and storage expenses by >60%.
Space-Saving: Minimal footprint when folded; no permanent installation required.
Rapid Deployment: Installs in hours vs. days for rigid tanks or concrete structures.
Flexibility: Adapts to uneven terrain; easily relocated or reconfigured.
Eco-Friendly: Reusable, recyclable, and reduces plastic waste vs. single-use containers.
Installation & Maintenance
Deployment
Unfold the empty bag on a flat, clean, and debris-free surface.
Connect inlet/outlet valves to water hoses or pumps.
Fill slowly with water to avoid overpressure; do not exceed rated capacity.
Maintenance
Drain completely and dry thoroughly before folding for storage.
Clean with mild detergent; avoid harsh chemicals.
Store in a cool, dry place away from direct sunlight and sharp objects.
Inspect seams and valves regularly for wear or damage.
Safety Notes
Do not use for storage of flammable, corrosive, or hazardous liquids unless specified.
Avoid exposure to open flames or extreme heat sources.
Do not drag the filled bag; use proper lifting equipment for large capacities.
Follow local regulations for water storage and disposal.
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