Coarse filter AAFB-1680 – G 2 1/2", 28,000 l/min 15 microns · class 7 · 16 bar
Code: AAFB-1680Related products
Product detailed description
The AAFB-1680 coarse filter with a sintered element traps coarse solid contaminants larger than 15 µm and protects the finer stages after it. It has a G 2 1/2" thread and a flow of 28,000 l/min at 7 bar, working pressure up to 16 bar.
It belongs to the range of Omega Air AAF filters: the housing is the same for all stages, only the element differs.
Specifications
| Parameter | Value |
|---|---|
| Connection | G 2 1/2" |
| Flow at 7 bar | 28,000 l/min (1,680 Nm³/h) |
| Working pressure | 16 bar |
| Working temperature | +1.5 to +65 °C |
| Filtration rating | 15 µm |
| ISO 8573-1 class | 7-x-x |
| Pressure drop of a new element | 20 mbar |
| Element replacement | every 12 months or 4,000 operating hours |
| Condensate drain | AOK16B float drain (automatic) |
| Filter material | sintered brass |
| Housing | aluminium, cataphoretic coating, X2-COAT protection, AVELOCK element locking |
| Dimensions A × B × C × D | 943 × 164 × 50 × 770 mm |
| Weight | 7.3 kg |
| Spare element | AAFB-1500V |
Dimensions

Dimensions A × B × C × D: 943 × 164 × 50 × 770 mm, weight 7.3 kg.
Flow by pressure
The flow applies to a pressure of 7 bar, an ambient temperature of +20 °C and an air inlet temperature of +35 °C. At a different pressure, it changes according to the correction factor:
| Pressure (bar) | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flow (l/min) | 10,640 | 14,000 | 17,640 | 21,000 | 24,640 | 28,000 | 31,640 | 35,000 | 38,640 | 42,000 | 45,640 | 49,000 | 52,640 | 56,000 | 59,640 |
Spare element and accessories
| For this filter: | |
|---|---|
| Spare element | AAFB-1500V |
| Housing without element | AAF-1680T |
| Another condensate drain | drains for filters |
| Clogging indication | indicators and differential pressure gauges |
Where to place it

It goes at the start of the filtration, before the AAFP basic filter or AAFR dust filter.
You will find other sizes among the filters of the same stage.
Additional parameters
| Category: | AAFB compressed air coarse filters with sintered element |
|---|---|
| Version: | Coarse filter |
| Pressure: | 16 bar |
| Connecting: | 2 1/2" |
| Dimensions: | (A)943 x (B)164 x (C)50 x (D)770 mm |
| Certification: | CE-PED-H, ISO 8573-1 (IUTA) |
| Filtration: | 15 µm |
| Filter insert: | AAFB-1500V |
| Material: | Aluminium |
| Condensate discharge: | Automatic |
| Working temperature: | +1.5 / +65°C |
| Flow: | 28,000 l/min |
| Quality class - solid impurities: | 7 |
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Alfa and Omega from SloveniaIn the Slovenian capital, Ljubljana, there is a company specialized in compressed air treatment, production of industrial filters and filter inserts, separators or special membrane dryers and other products. Omega Air was founded in 1988 as a family business and soon secured a place in the industry. Over the years, Omega Air's workforce has also grown with increasing production and today the company employs more than 250 people. |
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Omega products are used everywhereA wide range of applications is typical for Omega Air products. Its products are used in heavy industry as well as by private entities. Slovenia's footprint is thus noticeable in industrial sectors such as electrical, gastronomy, pharmaceuticals, moto and also in the chemical-industrial sector. However, the company's main product is special filters, which are exported all over the world. |
No greenhorn in the industryOmega Air also boasts several proprietary innovations and patents that originate in the development department. The company has also been awarded several times for its innovative solutions at the International Engineering Fair itself, which is traditionally held in Hannover, Germany. The Omega Air product range is brought to you by our air compressors company below. |
What Omega Air produces:
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