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Help CenterFRP Sewage Tank With 0.5MPa Pressure Rating, Leak-Proof Design for Underground Installation
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Hengshui Ruibin New Materials LLC, a professional manufacturer established in 2019 with a factory spanning 1,000–3,000 square meters and a dedicated team of 101–200 employees, introduces our premium FRP Sewage Tank with a 0.5MPa pressure rating and leak-proof design for underground installation. This tank is engineered to meet the rigorous demands of wastewater storage and treatment, combining advanced fiberglass reinforced plastic (FRP) technology with meticulous craftsmanship. Our product is exported to global markets including North America, South America, Europe, Southeast Asia, Africa, and Oceania, with annual export value reaching US$2.5–5 million. We guarantee reliable performance, long service life, and cost-effective solutions for your sewage management needs.
The tank is designed to operate safely at a maximum working pressure of 0.5 MPa (72.5 psi), making it suitable for pressurized sewage systems and underground burial where soil load and groundwater pressure are concerns. The leak-proof structure is achieved through a seamless one-piece molding process and reinforced joint connections, eliminating any potential leakage points. Below are the key features and technical specifications:
| Parameter | Value |
| Working Pressure | 0.5 MPa (72.5 psi) |
| Material | FRP (Glass Fiber + Unsaturated Polyester Resin) |
| Capacity Range | 500 L – 50,000 L (customizable) |
| Design Temperature | -40°C to +80°C |
| Corrosion Resistance | Excellent (resistant to most acids, alkalis, and salts) |
| Leak Rate | Zero (tested under 1.5x working pressure) |
| Installation | Underground (direct burial or with concrete anchor) |
| Standard Connections | Inlet/Outlet flanges (size customizable) |
Key Features & Benefits:
- Leak-Proof Integrity: Our one-piece rotational molding or filament winding process ensures no seams or weak points. Each tank undergoes a 100% hydrostatic pressure test at 1.5 times the rated pressure (0.75 MPa) to guarantee zero leakage, even under long-term underground conditions.
- High Pressure Tolerance: Rated for 0.5 MPa continuous operation, this tank can withstand the internal pressure generated by sewage pumps or gas accumulation, making it ideal for pressurized collection systems.
- Corrosion & Chemical Resistance: FRP is inherently resistant to sewage chemicals, hydrogen sulfide, and soil acids. The tank will not rust or degrade like steel tanks, offering a service life of over 20 years with minimal maintenance.
- Lightweight & High Strength: FRP is approximately 1/4 the weight of steel but with comparable strength. This reduces transportation and installation costs, especially for underground burial where heavy equipment may not be accessible.
- Underground-Adapted Design: The tank is reinforced with external ribs and a thick wall to resist soil pressure, groundwater buoyancy, and traffic loads. Optional anchoring systems are available for high water table areas.
- Customizable Configurations: We offer various capacities, inlet/outlet sizes, manhole diameters, and additional features such as internal baffles, inspection ports, or level sensors.
- Eco-Friendly & Non-Toxic: The resin used complies with food-grade standards (upon request), and the tank does not leach harmful substances into the surrounding soil.
Technical Advantages over Traditional Tanks:
| Feature | FRP Tank | Steel Tank |
| Weight | Light (easy to transport) | Heavy (requires crane) |
| Corrosion Resistance | Excellent (no coating needed) | Poor (requires epoxy lining) |
| Lifespan | 20+ years | 10–15 years (with maintenance) |
| Installation Cost | Lower | Higher |
| Maintenance | Minimal | Frequent (anti-rust painting) |
Trust & Reliability: Since 2019, Hengshui Ruibin New Materials LLC has been committed to delivering high-quality FRP products. Our factory is equipped with advanced winding machines, molding presses, and testing facilities. With a team of over 100 experienced workers and engineers, we maintain strict quality control from raw material sourcing to final inspection. Our annual export volume of US$2.5–5 million to over 20 countries is a testament to customer satisfaction. We ship from the ports of Tianjin and Qingdao, ensuring timely delivery worldwide. Whether you need a standard tank or a customized solution, we provide professional technical support and after-sales service. Contact us today for a quote or to discuss your specific requirements.
Frequently Asked Questions (FAQ)
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Q: What is the maximum burial depth for this FRP sewage tank?
A: The tank can be buried up to 3 meters (10 feet) under normal soil conditions. For deeper installations, we recommend optional external reinforcement or a concrete encasement. Always consult our engineering team for site-specific calculations. -
Q: Can the tank be used for hazardous or flammable sewage?
A: Standard FRP tanks are not designed for flammable liquids. If you need to store hazardous waste, we can provide a special anti-static resin and grounding provisions. Please specify your application when ordering. -
Q: How do you ensure the leak-proof performance over time?
A: Our tanks are manufactured using a seamless one-piece process. Each unit is hydrostatically tested at 1.5 times the working pressure before shipment. The FRP material does not corrode, so the integrity remains intact for decades. We also offer a 10-year warranty against manufacturing defects. -
Q: What certifications does your tank have?
A: We have various internal quality certifications and can provide third-party test reports upon request. Specific international certifications (e.g., ASME, EN) are available as an option, subject to additional cost and lead time. Please contact us for details. -
Q: What is the minimum order quantity (MOQ)?
A: For standard sizes, MOQ is 1 piece. For custom designs, MOQ may be 5–10 pieces depending on complexity. We welcome small trial orders for new customers. -
Q: How long does production take?
A: Typical lead time is 15–30 working days for standard tanks, and 30–45 days for customized units. Rush orders can be arranged with a surcharge. -
Q: Can you provide installation instructions or on-site support?
A: Yes, we provide detailed installation manuals and drawings. For large projects, we can also arrange remote video guidance or on-site supervision by our engineers (at extra cost). -
Q: What is the warranty period?
A: We offer a 3-year warranty on all FRP tanks, covering material defects and workmanship. With proper installation and maintenance, the expected service life exceeds 20 years.
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