If there are no water level fluctuations in the drinking water reservoir and therefore no natural air exchange can take place, we can optionally work with a fan in the air duct. This ensures an optimal air exchange in the reservoir.
Aeration / deaeration plant L251
Aeration/deaeration plant, max. throughput 264 gal/h (250 m³/h)
Natural aeration/deaeration plant with air connections on both sides to improve the hygiene in drinking water reservoirs.
The system is entirely constructed from 1.4307 (AISI 304 L) stainless steel with the exception of the filter material, shielded arc welded, acid-treated in a pickling bath and passivated for enhanced durability. Ready-to-operate installation, without additional brickwork, plastering, chiselling and electrical work, without drain pipe.
The louvre is attack-proof, pre-finished, rigid design, with a stable frame, slats and 1 x 1 mm insect screen. The insect screen serves as first filter stage and prevents the ingress of small animals, insects and organic coarse material. Minimum size of the louvre is 19.6 x 11.8 in. / 500 x 300 mm.
The air line is provided in partial lengths tailored to the specific local conditions, featuring a connecting plate designed to suit the louvre (item 1.0) for air-tight bolted mounting to the interior structure wall. It includes a pipe connection piece and is made of longitudinally welded seam stainless steel pipes. The system also incorporates bends as required, flexible joints, fixing material, foam rubber gaskets, and mounting brackets.
Cylindrical air filter unit L251, with connection pieces on both sides, suitable for the air line, with filter for suspended matter H13, with central 1/2“ condensate drain and ball valve for connection to the customer’s drain pipe. The air filter unit is designed for installation directly into the air line. The air filter unit houses a filter for suspended matter that achieves a separation degree of up to 99.99% in accordance with DIN EN 1822 for optimal supply air purification. The inspection opening in the casing ensures easy filter replacement. A pressure transducer controls filter pollution.
Safety valve type 170-1 as an additional overpressure/underpressure protection for the structure in case of malfunctions. The reaction pressure is 0.14 psi / 1000 Pa.
HUBER Aeration/Deaeration Plant type L251 with safety valve and centrifugal in-line fan for active forced aeration
Ventilation of two separate water chambers by HUBER Air Filter Unit L251
HUBER Air Filter BLA 251 and HUBER Water Chamber Door TT1.1 W
Water chamber ventilation
Air filter unit L251, vertical installation with safety valve
Active forced ventilation with HUBER Air Filter unit type L251 and HUBER Double Security Door TT2.2/RC3
Options
General Options
- 1.4404 (AISI 316 L) stainless steel
- Radial pipe ventilator for installation in DN variable air line, for forced ventilation
- With power supply unit for regulating the pressure transducer from 230V to 24V
Optional equipment and spare parts
- Suspended material filter, filter class H13, separation efficiency 99.99% in compliance with DIN EN 1822, for type L251.
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