B-AIR breathing air filter sets up to 16 bar
The B-AIR set consists of three Omega Air filters connected in series: an S microfilter, an H2 catalytic filter and an A2 adsorption filter. It prepares compressed breathing air directly at the point of use.
It is made in six sizes for flows of 78 to 780 Nm³/h at 7 bar, with G 1/2" to 1 1/2" connections. The housings are dark grey RAL 7021. The spare elements are the same as for AAF filters of the same size.
Sizes
| B-AIR sets | |||||
|---|---|---|---|---|---|
| Set | Connection | Flow at 7 bar | Filter dimensions A × B × C × D | Set weight | Spare elements S, H2, A2 |
| BAIR-0076 | G 1/2" | 78 Nm³/h (1,300 l/min) | 187 × 88 × 20 × 60 mm | 3 × 0.47 kg | AAFS-78V AAFH2-78V AAFA2-78V |
| BAIR-0106 | G 3/4" | 120 Nm³/h (2,000 l/min) | 257 × 88 × 20 × 80 mm | 3 × 0.6 kg | AAFS-120V AAFH2-120V AAFA2-120V |
| BAIR-0186 | G 1" | 198 Nm³/h (3,300 l/min) | 263 × 125 × 32 × 100 mm | 3 × 1.57 kg | AAFS-198V AAFH2-198V AAFA2-198V |
| BAIR-0306 | G 1" | 335 Nm³/h (5,583 l/min) | 363 × 125 × 32 × 120 mm | 3 × 2.2 kg | AAFS-335V AAFH2-335V AAFA2-335V |
| BAIR-0476 | G 1 1/2" | 510 Nm³/h (8,500 l/min) | 461 × 125 × 32 × 140 mm | 3 × 2.8 kg | AAFS-510V AAFH2-510V AAFA2-510V |
| BAIR-0706 | G 1 1/2" | 780 Nm³/h (13,000 l/min) | 640 × 125 × 32 × 160 mm | 3 × 3.9 kg | AAFS-780V AAFH2-780V AAFA2-780V |
Dimensions A to D apply to one filter of the set, the weight to all three. Flow at 7 bar and 20 °C.
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Set composition
The S microfilter traps solid particles, water and oil down to 0.01 µm. The H2 catalytic filter with a hopcalite filling reduces carbon monoxide CO and some other substances. The A2 adsorption filter with activated carbon traps oil vapours and odours.
Solid particle class 1 for stages H2 and A2 only applies with the S microfilter before them.
Common data
| Data common to all B-AIR sets | |
|---|---|
| Parameter | Value |
| Filtration stages | S microfilter, H2 catalytic filter, A2 adsorption filter |
| Working pressure | up to 16 bar |
| Working temperature | +1.5 to +45 °C |
| Element replacement | after 3 months |
| Colour | dark grey RAL 7021 |
| Optional from the manufacturer | wall brackets, pressure regulator, quick couplings |
Dimensions
Leave free space D below the filters for replacing the element. The values for each size are in the table above.
Flow by pressure
The nominal flow applies at 7 bar and 20 °C. At a different pressure, multiply it by the correction factor from the table.
Example: the BAIR-0186 set has a nominal flow of 198 Nm³/h. At 6 bar the factor is 0.88 and the set passes 174 Nm³/h.
| Correction factor by working pressure | |
|---|---|
| Working pressure (bar) | Correction factor |
| 2 | 0.38 |
| 3 | 0.50 |
| 4 | 0.63 |
| 5 | 0.75 |
| 6 | 0.88 |
| 7 | 1.00 |
| 8 | 1.13 |
| 9 | 1.25 |
| 10 | 1.38 |
| 11 | 1.50 |
| 12 | 1.63 |
| 13 | 1.75 |
| 14 | 1.88 |
| 15 | 2.00 |
| 16 | 2.13 |
What the B-AIR set does not remove
The manufacturer does not designate the B-AIR set for removing carbon monoxide CO and carbon dioxide CO₂. The catalytic stage only reduces the CO content and does not remove CO₂. Where the composition of the air needs to be monitored, B-AIR PLUS with analysers is intended for this.
The hopcalite filling needs air with sufficiently low humidity, so a compressed air dryer belongs before the filters.
Ventilek’s tip
Choose the size according to the flow at the actual pressure. At 6 bar, the set passes only 88 % of the nominal flow.
- What is in the set?
- Three filters in series: an S microfilter, an H2 catalytic filter and an A2 adsorption filter.
- Which elements fit the set?
- AAF elements of the same size; for example, the BAIR-0076 set takes the AAFS-78V, AAFH2-78V and AAFA2-78V elements.
- How often should the elements be replaced?
- The manufacturer specifies replacement every 3 months.
- What does the manufacturer supply on request?
- Wall brackets, a pressure regulator and quick couplings.
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Three-stage Omega Air B-AIR set for preparing compressed breathing air: S microfilter 0.01 µm, H2 catalytic filter and A2 adsorption filter with activated carbon. G 1/2", 1,300...
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Three-stage Omega Air B-AIR set for preparing compressed breathing air: S microfilter 0.01 µm, H2 catalytic filter and A2 adsorption filter with activated carbon. G 1 1/2",...