Flat septic tank for sanitary containers
A flat septic tank only 700 mm high that goes under the sanitary container instead of next to it. The toilet or shower container stands on the tank, drains into it through a short DN100 hose, and the site needs no extra space for the tank.
- Height700 mm
- Volumes6 or 10 m³
- Width2,438 or 2,990 mm
- ConnectionsStorz DN100 and DN50
To scale
The unit beside a person
Drawn from the published dimensions, beside a 1.80 m person. Drag to turn it.

Drawn to the published dimensions. The positions of fittings are representative.
Request an offerTwo sizes
6 m³ with a width of 2,438 mm, or about 10 m³ with a width of 2,990 mm. Both are 700 mm high and 20 ft long.
Connections
A connection box at one end holds a Storz DN100 inlet from the sanitary container, a Storz DN100 coupling for emptying, a Storz DN50 connection and a liquid level indicator. Two bolted inspection hatches on top give access to the tank.
Handling
Steel frame with ISO corner castings and forklift pockets. It is lifted and transported like a container, then the sanitary container is set down on top.
Specification
| Volumes | 6 m³ (width 2,438 mm) or approx. 10 m³ (width 2,990 mm) |
|---|---|
| Height | 700 mm |
| Length | 6,058 mm, 6,272 mm overall with the connection box (10 m³ size) |
| Frame | Steel, ISO corner castings top and bottom, forklift pockets |
| Access | Two bolted inspection hatches on top |
| Connections | Storz DN100 inlet from the sanitary container, Storz DN100 emptying connection, Storz DN50 connection, in a connection box at one end |
| Level check | Liquid level indicator |
| Placement | Under a sanitary container, the container stands on the tank |
| Colour | RAL to order |
Figures as published by Tanax. Anything not listed here is confirmed with the offer.
FAQ
Questions procurement asks
Does it take extra space on site?
No. It sits under the sanitary container, on the same 20 ft length.
How is it emptied?
A vacuum tanker or our fecal cistern connects to the Storz DN100 emptying coupling.
How do I know when it is full?
The liquid level indicator at the connection box shows the level.
Which container goes on top?
A 20 ft toilet, shower or washroom container. Tell us which one, we match the tank size and connections.
Send us the sanitary containers you plan to use. We match the tanks and send an offer.
Related
The septic range
Sanitary units
Wastewater container