MIDI 400 filter tank with side valve
400 mm diameter, H height 690 mm, 60 kg sand load and 6 m³/h nominal flow. 1½″ connections. Includes a side-mounted six-way valve; pump sold separately.
Pool specialist’s view
Midi suits installations where you want to add sand through the top and access the valve from the side. Match the tank and pump together: a more powerful pump does not make a smaller tank more suitable.
- + Side-mounted valve and transparent top lid provide access for maintenance.
- + Tank and valve without having to purchase a pump kit.
- − Requires space beside the tank for the valve.
- − Pump, filter media and connecting pipework are not included.
Technical specifications
| Tank diameter | 400 mm |
| Height H per drawing | 690 mm |
| Sand load | 60 kg |
| Nominal flow | 6 m³/h |
| Connection | 1½″ |
| Dimensions M / N / A | 347 / 222 / 330 mm |
| Suitable for salt water | Yes |
| Indicative pool size range | 15–25 m³ |
Pool size range is the shop’s indicative classification based on sand load ÷ 3, not a manufacturer-guaranteed maximum.
What the offer includes
MIDI tank with top lid and pressure gauge, plus a side-mounted six-way valve. No pump. Vagner’s set also includes Czech valve-position labels.
Dimension drawing

Selection and maintenance
Before ordering, compare height, diameter, M and N dimensions and space for the side valve. Match the pump to the tank and its backwash requirements. Switch off the pump before changing valve positions and depressurise before disassembly.
Additional parameters
| Category: | Filter tanks |
|---|---|
| Suitable for salt water: | Yes |
| Brand: | Vagnerpool |
| Filter tank diameter: | 400 mm |
| Filter tank diameter: | 301–400 mm |
| ? Recommended pool volume (indicative): | 15–25 m³ |
| Sand capacity: | 60 kg |
| Sand capacity: | 50–75 kg |
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