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PROCESS DIAGRAMCURRENT · v1.0.0DIAG-CA-TREATMENT

Compressed Air Treatment Train — ISO 8573-1 Purity Classes

Illustrates a representative compressed-air treatment sequence and the distinct control of particles, water and oil. ISO 8573 provides the classification and test framework, but the required purity class, dryer performance and treatment stages must come from the protected pneumatic application. DRYCORE™ remains an Air Intake & Airflow Protection function rather than a standalone sixth protection system.

Compressed Air Treatment Train — ISO 8573-1Sequential compressed air treatment stages: compressor, aftercooler and moisture separator, refrigerant or desiccant dryer, particulate filter (Class 1 dust), coalescing oil mist filter (Class 1 oil), and activated carbon filter (Class 1 hydrocarbons). ISO 8573-1 purity class level achieved at each stage is shown.AMBIENTCOMPRESSORcondensate drainAFTERCOOLER +SEPARATORDESICCANTDRYERDP ≤ −40°CPARTICULATEFILTERISO 8573-1 dustOIL COALESCER(coalescing)ISO 8573-1 oil mistACTIVATEDCARBONhydrocarbonsCLEANAIRClass 1.1.1END USEISO 8573-1 PURITY CLASSES — three-number code: [particles] [water] [oil]Class 1.1.1: ≤0.1µm·mg/m³ · dew point ≤−70°C · ≤0.01mg/m³ oil · highest purityISO 8573-2 specifies test methods for oil content measurementISO 8573-1 · ISO 8573-2
Representative compressed-air treatment train showing compressor output, moisture separation or drying and downstream filtration stages. Required ISO 8573 purity class, dew point and treatment sequence depend on the protected application and are not fixed universally.

GOVERNING STANDARDS

ISO 8573 1
ISO 8573 2

ELIMFILTERS TECHNOLOGIES

DRYCORE™

APPLICABLE SYSTEMS

Air Intake Protection

REVISION METADATA

Versionv1.0.0
Statuscurrent
Last Reviewed2026-07-08
Next Review2027-07-08

RELATED ENGINEERING ARTICLES

→Compressed Air Purity
→Compressed Air Quality Verification
→Compressed Air Dryer Selection