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Ventilation grills, diffusers

SERECO

  • Circular air diffuser / floor-mounted

DRAF 200

Article: 00140050

Circular air diffuser / floor-mounted

It is particularly suitable for the aeration of activated sludge basins of middle and large size wastewater treatment plants, homogenizing and aerobic digestion and the oxygenizing of ichthyic breeding.
Thanks to its special operation characteristics and the high strength of the materials of which is made, it is able to ensure a constant dissolution efficiency in the run of time. The DRAF 200 operation is based on the breathing effect of the elastic synthetic rubber membrane provided with microholes and able to open with an extreme softness and progression just at a minimum air pressure of about 250 mm of w.c.. The special design of the drilling system moreover allows the immediate closing of the microholes as soon as the air flow stops, due to the immediate effect of the back pressure on the membrane whose minimum value leads to a closing force of about 100 daN. That membrane operation system makes the DRAF 200 absolutely free from any possibility of clogging.

Specifications

  • Configuration: circular
  • Mounting: floor-mounted

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