BENFAN rotomolded septic tanks are corrosion-resistant, high structural strength, pressure-bearing and easy to install — one-piece seamless with excellent integrity. Used in rural areas, service areas, construction sites and offshore platforms.
PE survives soil and sewage chemistry far longer than steel.
Pressure-bearing, buried-safe with proper backfill.
No weld seams, no leak paths, excellent integrity.
Light to handle, fast to set, low on-site cost.
[X] = replace with verified spec before publishing.
| Model | Volume | Wall | Use |
|---|---|---|---|
| Septic 1000 | [X] L | [X] mm | Household / rural |
| Septic 2000 | [X] L | [X] mm | Village / site |
| Septic 5000 | [X] L | [X] mm | Community / platform |
Household and village sewage treatment.
Highway and rest-area sanitation.
Temporary on-site sanitation.
Corrosion-proof for marine use.
Rotational molding makes a large buried vessel in one seamless, stress-free piece — corrosion-proof and leak-tight, with far lower tooling cost than rotolining or steel fabrication. (See custom rotomolding.)
Custom rotomolded septic tank and OEM ODM rotomolded tank: volume, inlet/outlet, ribs, colour. MOQ from [X]; lead time [X] days.
Yes — high structural strength with proper backfill and bedding.
PE resists soil and sewage chemistry; no rust, no coating to fail.
Yes — we tool to your required capacity and connections.
Real machines, molds and products — straight from our factory, not stock images.
