The complete BOGE filter range covers all ISO 8573-1 purity classes — from bulk liquid removal to germ-free sterile air. Standard range up to 16 bar and high-pressure range up to 45 bar.
Industrial applications vary widely — and so do the required quality classes and purity levels. BOGE offers a filter for every application, with consistently low differential pressure, certified efficiency and 10-year housing warranty across the entire range.
BOGE Pre-Filter
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BOGE Microfilter
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BOGE Activated Carbon Filter
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BOGE Sterile Filter
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BOGE Cyclone Separator
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BOGE High-Pressure Pre-Filter
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BOGE High-Pressure Microfilter
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BOGE High-Pressure Activated Carbon Filter
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ISO 8573-1 defines the quality class for compressed air. The table shows which BOGE filters achieve the stated residual oil content per class.
Contact Tranco Tech for a full treatment train recommendation matching your required purity class, operating pressure and flow rate.
| ISO 8573-1 Class | Max oil content | BOGE filter |
|---|---|---|
| Class 1 | 0.01 mg/m³ | Microfilter (FM) |
| Class 2 | 0.1 mg/m³ | Microfilter (FM) |
| Class 3 | 1.0 mg/m³ | Pre-Filter (P) |
| Class 4 | 5.0 mg/m³ | Pre-Filter (P) |
| Class X — oil vapour | ≤ 0.003 mg/m³ | Activated Carbon (A) |
| Class X — sterile | Germ-free | Sterile Filter (ST) |
| High-pressure (≤ 45 bar) | All classes | HP Range (V / FP / A) |
Selecting the right treatment components is crucial for efficient and economical compressed air production. Our team will advise you personally and recommend the right filter configuration for your application and required purity class.