Application
The Above Ground Water Storage Tank DF ZWV is used for raw and treated water storage purposes in water intakes, water treatment and pumping stations. The device may be used also as a grid distribution tank.
The tank’s functions are:
- water retention for the peak distribution,
- ensuring necessary access of disinfectants to water,
- ensuring necessary water supply for the fire-fighting purposes and filters cleaning.

Structure
The tank is made of welded engineering or stainless steel. The standard device is equipped with bottom inlet, outlet, overflow and release stub pipes. The diameters may be adjusted on customer’s demand. Special stub pipes are used for assembling survey probes. The tank is insulated with heat insulating material protected against mechanical damage and weather influence. The cover colour may be at customer’s choice [RAL range]. The engineering steel tank is protected against corrosion with:
- from inside – thick layer of epoxy enamel used for contact with food products, ar. 300 µm thickness,
- from outside – epoxy anti-corrosion background ar. 140 µm thickness, coloured at order [RAL range].
Different materials may be used on demand.

Equipment
- Inlet, outlet, overflow and release stub pipes and stub pipes used for survey probes assembly.
- External and internal ladder.
- Inspection hatch.
- Servicing bridge [option].
- Ventilation duct.
- Insulation secured against damaging and weather.
- Additional anti-freeze control with heat wire [option].
- PZH (National Institute of Hygiene) certificate.