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Help Center3-Compartment FRP Septic Tank, 5000 Liters Capacity, Compliant With ASTM D4097 Standards
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As a leading manufacturer of composite wastewater treatment solutions, Hengshui Ruibin New Materials LLC proudly presents our 3-Compartment FRP Septic Tank with a robust capacity of 5,000 liters. Engineered to meet the rigorous requirements of ASTM D4097 standards, this tank offers superior durability, corrosion resistance, and long-term reliability for both residential and commercial applications. Our factory, established in 2019 and spanning over 1,000 square meters, leverages advanced FRP fabrication techniques to deliver products that balance performance and cost-effectiveness, serving clients across North America, Europe, and beyond.
This septic tank is designed with three separate compartments to optimize the treatment process: solids settle in the first compartment, scum is trapped, and clarified effluent passes through subsequent chambers for further treatment before safe disposal or leach field release. The 5,000-liter capacity makes it an ideal choice for medium-to-large households, small businesses, or community facilities. Below, we detail the key features, technical specifications, and benefits that set this product apart.
Key Features & Technical Specifications
- Three-Compartment Design: Each compartment is separated by baffle walls with controlled openings, ensuring efficient primary, secondary, and tertiary treatment stages. The multi-stage process reduces biochemical oxygen demand (BOD) and total suspended solids (TSS) effectively.
- FRP (Fiberglass Reinforced Plastic) Construction: Made from high-quality glass fiber and polyester or vinyl ester resin, the tank offers exceptional strength-to-weight ratio, corrosion resistance against acidic and alkaline wastewater, and a service life exceeding 30 years under normal conditions.
- ASTM D4097 Compliance: Our tanks are manufactured and tested in accordance with ASTM D4097 – the standard specification for contact-molded fiberglass-reinforced plastic (FRP) septic tanks. This ensures consistent wall thickness, structural integrity, and leak-proof performance.
- 5,000 Liter (1,320 US Gallons) Capacity: Sufficient for a typical 4-6 bedroom residential home or light commercial use. The tank dimensions are optimized for easy transport and installation.
- Lightweight yet Strong: FRP tanks are significantly lighter than concrete or steel alternatives (approx. 200-300 kg), reducing crane or heavy equipment requirements during installation. Despite lightness, the tank can withstand soil pressures and traffic loads when buried correctly.
- Corrosion & Rust-Free: Unlike metal tanks, FRP will not rust, rot, or degrade in moist environments. The inner surface is smooth, minimizing sludge accumulation and making periodic cleaning easier.
- Customizable Inlet/Outlet Configurations: Standard 4-inch or 6-inch openings are available, and we can adapt to specific piping requirements upon request.
- Optional Accessories: Effluent filters, risers, inspection ports, and anti-floatation collars can be added to enhance functionality.
| Parameter | Value |
|---|---|
| Total Capacity | 5,000 Liters (1,320 US Gallons) |
| Compartments | 3 (Primary, Secondary, Tertiary) |
| Material | Fiberglass Reinforced Plastic (FRP) – Contact Molded |
| Applicable Standard | ASTM D4097 |
| Overall Dimensions (Approx.) | Length: 2.8m, Width: 1.2m, Height: 1.5m (customizable) |
| Dry Weight | Approx. 250 kg (550 lbs) |
| Manhole Access | 20-inch diameter top opening with cover |
| Maximum Burial Depth | 1.8 m (6 ft) to top of tank; deeper with reinforcement |
Advantages for Your Project
- Cost-Efficient Installation: The lightweight FRP tank reduces labor and equipment costs. No heavy crane is required for most installations, and the tank can be handled by a small crew.
- Long-Term Reliability: With a lifespan of 30+ years, our tank eliminates the need for frequent replacement. The non-corrosive nature ensures consistent performance even in aggressive soil conditions.
- Environmental Compliance: The three-compartment design meets or exceeds local effluent quality standards in many regions, helping you comply with environmental regulations.
- Minimal Maintenance: The smooth interior surface discourages solids buildup, and the tank requires only periodic pumping every 3–5 years (depending on usage).
- Versatile Applications: Suitable for homes, schools, campsites, hotels, and small commercial buildings. Can be used in combination with leach fields, mounds, or advanced treatment systems.
At Hengshui Ruibin New Materials LLC, we are committed to delivering high-quality FRP products that meet international standards. Our factory is ISO9001:2015 certified (ISO9001 and ISO9000 systems), ensuring consistent quality control from raw material procurement to finished product inspection. With an annual export value of US$2.5 million to US$5 million, we have shipped thousands of septic tanks to over 20 countries, including North America, Europe, Southeast Asia, and Africa. Our team of 101–200 skilled workers uses advanced manufacturing processes to produce tanks that are both durable and affordable.
We understand the importance of reliable wastewater treatment infrastructure. That is why every tank undergoes rigorous testing for water tightness, structural strength, and dimensional accuracy before leaving our facility. Our ports of shipment – Tianjin and Qingdao – provide convenient logistics for global delivery. We offer flexible shipping options, including FCL, LCL, and air freight for samples.
If you are looking for a 5000-liter FRP septic tank with three compartments that complies with ASTM D4097, look no further. Contact us today for a quotation, technical drawing, or sample request. Our sales engineers are ready to assist you with custom dimensions, bulk orders, and after-sales support. Choose Hengshui Ruibin – a partner you can trust for sustainable wastewater solutions.
Frequently Asked Questions
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Q: What is the expected lifespan of this FRP septic tank?
A: Under normal installation and usage conditions, the tank can last 30 years or more. The FRP material is resistant to corrosion, UV degradation (if exposed), and biological attack. Regular pumping every 3–5 years will extend its service life. -
Q: Can the tank be installed in areas with high groundwater tables?
A: Yes, but you may need anti-floatation measures such as concrete anchors or a collar. Our tank can be designed with additional reinforcement for high groundwater conditions. Please consult with our technical team for specific recommendations. -
Q: Does the tank come with a warranty?
A: Yes, we offer a standard warranty period of 5–10 years against manufacturing defects. Extended warranties are available upon request. Details will be provided in the sales contract. -
Q: Is the tank suitable for commercial use (e.g., restaurants, offices)?
A: The 5,000-liter capacity is appropriate for small to medium commercial facilities with moderate wastewater flow. For larger volumes, we can customize the tank size or provide multiple tanks in series. Please send us your daily flow rate for a proper sizing recommendation. -
Q: What are the main differences between this 3-compartment tank and a 2-compartment model?
A: The third compartment provides additional polishing treatment, resulting in lower BOD and TSS levels in the effluent. This is beneficial when the receiving soil has limited percolation capacity or when stricter discharge standards apply. The 3-compartment design also reduces the risk of solids carryover. -
Q: Can I customize the inlet/outlet heights or add a riser?
A: Absolutely. We can adjust the inlet/outlet elevations to match your site piping. Risers of various heights (up to 600mm) can be added to bring the access lid to grade level. Please specify your requirements when ordering. -
Q: Do you provide installation instructions or technical support?
A: Yes, we provide a comprehensive installation manual with each tank. Our after-sales team is available via email or phone to answer any installation questions. We also offer on-site guidance for bulk orders (subject to agreement). -
Q: How long does shipping take?
A: Delivery time depends on quantity and destination. For stock items, we can ship within 15–20 days after payment. For custom orders, lead time is typically 30–45 days. Samples can be shipped faster via express (e.g., DHL, FedEx).
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