This piece of content focuses on FRP molded septic tanks—a superior alternative to concrete and PE tanks. Targeting engineers, contractors, and procurement managers in the hospitality and residential construction sectors, we highlight our SMC molding technology which ensures structural integrity even under high groundwater pressure . Our tanks feature a three-chamber anaerobic design that maximizes suspended solid removal and parasite reduction, meeting environmental standards for sanitation . We emphasize commercial advantages such as lightweight design for lower logistics costs, rapid on-site installation without heavy machinery, and a maintenance-free operational lifespan exceeding 50 years . Furthermore, as a direct factory supplier in China, we offer customized volumes (0.5m³ to 2m³) to cater to both villa projects and large-scale municipal sewage treatment needs .
Hebei Fortis Technology Co., Ltd
Product Advantages
1. Leak-proof, acid and alkali resistant, safe for use, durable and robust.
Made of synthetic resin, glass fiber and other high-strength, acid and alkali resistant polymer materials, it is manufactured via one-piece high-strength mechanical compression molding.
2. Fast Construction and Easy Installation
The construction speed is fast, and it can be installed and put into use on the same day. On site, only the foundation pit needs to be excavated as required, and it can be put into use two hours after installation, which is convenient for rushing the construction period and avoiding the situation of foundation pit collapse due to time delay.
3. No special management required; long sludge cleaning interval.
With an underground installation design, it requires no power supply, no special management, and almost no maintenance. It is recommended to remove sludge once every 5 to 9 months.
4. Pollution-free in use with high environmental benefits.
The glass fiber reinforced plastic (FRP) septic tank is manufactured via compression molding, featuring excellent sealing performance and leak-proof integrity. It does not contaminate surface water nor corrode the surrounding environment (such as flowers, plants and trees). After multiple sedimentation and fermentation processes in the tank, parasite eggs and pathogens are effectively eliminated, and the effluent from the clarification chamber is purified, harmless organic fertilizer.
Application Scenarios

For rural homes, suburban villas, or small housing clusters without centralized sewage systems, the FRP septic tank provides an ideal decentralized wastewater solution. Its lightweight design allows easy installation even in narrow courtyard spaces using minimal excavation. The leak-proof body protects well water and garden soil from contamination, while the smooth inner surface reduces clogging risks from household blackwater and greywater. A family of 5–8 people typically requires only a 3m³ tank, needing sludge removal just once every 3–5 years.

For factories producing acidic, alkaline, or oil-bearing effluents, the FRP septic tank serves as the first-stage sedimentation and anaerobic treatment unit before discharge to municipal systems. The material’s excellent chemical resistance handles pH 2–12 wastewater without degradation, while the ribbed external structure withstands heavy backfill loads from truck traffic on factory grounds. Customizable baffle configurations allow separation of heavy solids, light scum, and neutralized water – improving downstream treatment efficiency by over 40%.
Parameter Specifications
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Product |
FRP Septic Tank |
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Model |
Volume(m³) |
External dimensions(mm) Length × Width × Height |
Internal dimensions(mm) Length × Width × Height |
Avg. Thickness (mm) |
Weight |
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FT-STT1 |
1 |
1740×1000×1000 |
1640×900×896 |
3.5 |
58 |
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FT-STT1.5 |
1.5 |
1880×1015×1230 |
1808×943×1150 |
5 |
95 |
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FT-STT2a |
2 |
2000×1270×1292 |
1900×1170×1192 |
5 |
100 |
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FT-STT2b |
2 |
2370×1162×1190 |
2289×1081×1090 |
7 |
138 |
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FT-STT2.5a |
2.5 |
2448.5×1268.5×1302 |
2364.5×1184.5×1202 |
7 |
180 |
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FT-STT2.5b |
2.5 |
2470×1280×1300 |
2380×1190×1200 |
7 |
180 |
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Model |
Accessories |
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partition plate |
screws |
rubber strip |
rubber gasket |
cover |
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FT-STT1 |
2 |
18 (Φ6*25) |
2.5 |
2 (Φ110mm) |
2 or 3 |
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FT-STT1.5 |
2 |
38 (Φ8*40) |
3 |
0 (Φ110mm) |
/ |
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FT-STT2a |
2 |
28 (Φ8*40) |
3.5 |
2 (Φ110mm) |
2 |
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FT-STT2b |
2 |
64 (Φ8*40) |
3.5 |
1 (Φ110mm) |
3 |
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FT-STT2.5a |
2 |
68 (Φ8*40) |
4 |
0 |
3 |
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FT-STT2.5b |
2 |
56 (Φ8*40) |
4 |
1 (Φ110mm) |
3 |
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Contact us immediately to discuss your product project requirements
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Contact Us
Tel.: +86 189 3266 2725
E-mail: sale@hbfortis.com
Add.: No.8-1, Zhenxing Street, Matun Town, Zaoqiang County, Hengshui City, Hebei Province
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