Parker Domnick Hunter Oil-X Evolution Filter Elements: Your Complete Replacement Guide
Parker Domnick Hunter's Oil-X Evolution compressed air filter elements are among the most widely used filtration media in Indian industry. You'll find them installed downstream of Atlas Copco, Kaeser, Ingersoll Rand and other major compressors — protecting pneumatic systems, spray booths, food lines and instrument air networks across the country.
This guide covers everything you need to know: how to read Parker element part numbers, what each grade does, how often to replace them, and how to source OEM-equivalent replacements at 30–50% lower cost without any compromise in filtration performance.
Understanding the Three Parker Oil-X Evolution Grades
Removes oil aerosols and fine particulate down to 0.1 micron. Residual oil content: max 0.01 mg/m³. The standard first-stage coalescing filter in most compressed air systems.
High-efficiency coalescing to 0.01 micron. Residual oil: max 0.001 mg/m³. Installed after an AO filter for applications requiring class 1 oil content per ISO 8573-1.
Removes oil vapour and hydrocarbon odours that coalescing filters cannot capture. Essential where air contacts product directly or where odour-free air is required.
How to Read a Parker Element Part Number
Every Parker Oil-X Evolution element carries a two-part part number stamped on its end cap. Once you understand the structure, identifying the correct replacement takes seconds.
| Size Code | Typical Flow Capacity | Common Filter Bodies |
|---|---|---|
| 005 | Up to 24 Nm³/h | Small workshop systems |
| 010 | Up to 48 Nm³/h | 10–20 CFM compressors |
| 015 | Up to 68 Nm³/h | 15–30 CFM systems |
| 020 | Up to 95 Nm³/h | 20–40 CFM compressors |
| 025 | Up to 135 Nm³/h | Medium industrial |
| 030 | Up to 180 Nm³/h | Medium-large plant |
| 040 | Up to 240 Nm³/h | Large compressor systems |
| 050–200 | 300+ Nm³/h | Heavy industrial / central plant |
When Should You Replace Parker Filter Elements?
Parker recommends replacing Oil-X Evolution elements every 12 months or 8,000 operating hours — whichever comes first. In Indian conditions (high ambient dust, humidity variations, compressor oil carryover), annual replacement is the standard. Ignoring element replacement increases pressure drop across the filter, which wastes energy and drives up compressed air costs across every shift the plant operates.
Beyond energy waste, a saturated element begins releasing the contaminants it has absorbed — pushing oil, particulate and moisture downstream into the very equipment the filter exists to protect. Downstream damage to solenoid valves, cylinders, instruments and finishing equipment typically costs far more than a timely element change.
Pressure drop across the filter exceeds 350 mbar. Replace the element immediately regardless of age — the element is saturated and bypassing contamination.
A yellow or brown element has exceeded its capacity and is actively releasing absorbed contaminants back into the air stream. Do not continue operating with a discoloured element.
The safest rule: replace on a fixed annual schedule, ideally at a planned maintenance shutdown. This eliminates unplanned downtime and keeps air quality consistently within specification.
OEM vs OEM-Equivalent: The Cost Saving Opportunity
Genuine Parker Domnick Hunter elements are manufactured to tight specifications — and priced accordingly. OEM-equivalent elements from established manufacturers such as Omega Air are produced using the same filtration media grades, tested to the same ISO 8573-1 standard, and deliver identical performance. The only difference is the price: typically 30–50% lower than OEM pricing across all grades and sizes.
Nitrogenium Innovations stocks the full Omega Air ODH range as direct equivalents to Parker Oil-X Evolution elements across all sizes (005–200) and all three grades (AO, AA, ACS). Elements are available ex-stock in Delhi with same-day delivery across NCR.
| Parker Original | Omega Air Equivalent | Grade | Filtration |
|---|---|---|---|
| 010 AO | ODHE 010 AO/XM | AO | 0.1 µm coalescing |
| 010 AA | ODHE 010 AA/XS | AA | 0.01 µm coalescing |
| 010 ACS | ODHE 010 ACS/A | ACS | Activated carbon |
| 025 AO | ODHE 025 AO/XM | AO | 0.1 µm coalescing |
| 050 AA | ODHE 050 AA/XS | AA | 0.01 µm coalescing |
Recommended Filter Combinations by Application
Selecting the right combination of filter grades is as important as choosing the correct size. Under-specifying leads to contamination; over-specifying wastes money on unnecessary stages. Use the table below as a starting point — if your application is unusual or air quality standards are critical, contact us for a system-specific recommendation.
| Application | Elements Required | Reason |
|---|---|---|
| General workshop / manufacturing | AO | Basic oil aerosol removal sufficient for general air tools and pneumatics |
| Food & beverage / pharmaceutical | AO + AA + ACS | Oil-free and odour-free air to ISO 8573 Class 1 — mandatory for product contact air |
| Spray painting / coating | AO + ACS | Coalescing stage removes aerosols; carbon stage removes vapour for finish quality |
| Electronics / SMT assembly | AO + AA | Ultra-low residual oil prevents contamination of sensitive PCBs and components |
| Instrument air | AO + AA | Clean, stable air quality protects pneumatic instruments and control valves |
Where to Buy Parker Replacement Elements in Delhi
Nitrogenium Innovations maintains ready stock of Omega Air OEM-equivalent replacements for the complete Parker Oil-X Evolution range at our Patparganj, Delhi warehouse. Same-day dispatch for NCR orders placed before 3 PM; Pan India delivery within 48 hours. All elements are supplied with a test certificate confirming ISO 8573-1 compliance.
To order, simply WhatsApp your Parker element part number (e.g. 025 AA) and quantity. We'll confirm stock availability and pricing within 30 minutes during business hours (Monday to Saturday, 9:30 AM – 6:30 PM). Bulk pricing is available for annual maintenance contracts and multi-site orders.
Ready to order? Share your Parker part number and quantity — we'll confirm stock and pricing within 30 minutes.
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