Product
Ingersoll Rand 54672522 Air Filter | NG R-Series 30–37 kW
Genuine Ingersoll Rand 54672522 air filter element for NG R-Series 30–37 kW screw compressors. Fits R30I, R30N, R37I and R37N; 194 mm OD, 114 mm ID, 399 mm height, radial seal, ≤10 μm filtration, 2000-hour service interval. Verify by part number before ordering.
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Product Overview
54672522 is the inlet air filter element for Ingersoll Rand NG R-Series (Next Generation R-Series) 30–37 kW screw air compressors.
It sits inside the external air cleaner assembly, upstream of the airend inlet. As the compressor draws in ambient air, dust, grit and fibres are captured by the media before reaching the airend. The condition of this element directly affects how long the downstream oil separator, oil filter and lubricant will last.
The part number is shared across four models on the same platform: R30I, R30N, R37I and R37N. Both 30 kW and 37 kW ratings use 54672522, and fixed-speed (N) and variable-speed (I) configurations use the same element. No distinction by power or speed control is needed at ordering.
Core Specifications
| Item | Value |
|---|---|
| Part number | 54672522 |
| Description | Element, Air Filter |
| Brand | Ingersoll Rand |
| Platform | NG R-Series 30–37 kW |
| Fits models | R30I, R30N, R37I, R37N (also R30, R37, R30IE, R37IE) |
| Dimensions | 194 mm OD × 114 mm ID × 399 mm overall height |
| Seal type | Radial seal |
| Net weight | Approx. 1.25 kg |
| Effective filtration area | Approx. 3.0 m² |
| Filtration rating | ≤10 μm |
| Recommended change interval | 2000 hours or 3 months |
Technical Parameters
| Parameter | Detail |
|---|---|
| Filtration rating | ≤10 μm |
| Filtration efficiency | ≥99% for particles ≥5 μm |
| Filter class | Not classified under EN 779 (HVAC). Air filter elements are characterised per ISO 5011 by efficiency, inlet restriction and dust holding capacity |
| Dust holding capacity | Approx. 900 g |
| Rated air flow | Matched to NG R-Series 30–37 kW displacement; one element per compressor |
| Filtration face velocity | Approx. 0.036 m/s |
| Initial pressure drop | Inlet vacuum should remain below 0.05 bar (5 kPa) after fitting a new element |
| Alarm / final resistance | Per the compressor inlet vacuum gauge and controller alarm |
| Pressure drop vs. energy | Each 1 kPa rise in inlet restriction increases compressor energy consumption by approx. 1% |
| Dimensions | 194 mm OD × 114 mm ID × 399 mm overall height |
| Media height | 367 mm (approx. 32 mm for end structures) |
| Construction | Pleated radial-seal cartridge, primary / outer element |
| Pleat count | Approx. 101 pleats |
| Pleat spacing | Approx. 4.8 mm |
| Installation | Radial push-in, into the outlet end of the air cleaner assembly (54652565) |
| Media | Imported wood-pulp filter paper (industry-common HV or Ahlstrom grades) |
| Media weight | Approx. 130 g/m² |
| Support | Galvanised perforated steel inner cage and outer screen |
| End caps | Metal end caps (galvanised steel) bonded with polyurethane |
| Seal | Radial seal ring, oil-resistant rubber |
| Operating temperature | −10 to +100 °C |
| Relative humidity | ≤80% RH, no condensation |
| Burst strength | Media burst strength approx. 200–400 kPa (per ISO 2758) |
| Collapse resistance | Element withstands the compressor inlet alarm differential without collapsing |
| Service life | 2000 hours or 3 months, whichever comes first |
| High-dust environment | Shorten to approx. 1500 hours, or fit a high-dust pre-filter kit |
| Shelf life | Approx. 2–3 years, unopened, dry and ventilated storage |
| Applicable standard | ISO 5011 (inlet air cleaners for engines and compressors — performance testing), evaluated on efficiency, inlet restriction and dust holding capacity |
Pressure Drop and Energy Cost
Rising inlet restriction lowers inlet pressure and air density. To hold the set discharge pressure and flow, the compressor must do more work, and specific power rises. At 0.7 MPa discharge and 101.3 kPa atmospheric pressure, theoretical compression-ratio calculation gives:
| Inlet restriction | Compression ratio | Relative energy increase |
|---|---|---|
| 0 kPa (new element) | 7.91 | Baseline |
| 2 kPa | 8.07 | +2.0% |
| 4 kPa | 8.24 | +4.1% |
| 6 kPa | 8.41 | +6.3% |
From new to heavily loaded (0 → 6 kPa), compressor energy consumption climbs by roughly 6%. R-Series units commonly run 6000+ hours per year, so the extra power cost far exceeds the price of one element — the engineering basis for the factory-set differential alarm.
Installation and Maintenance Steps
One person, approx. 20 minutes.
- Stop, depressurise, lock out/tag out. Isolate the main power and apply lockout/tagout. Wait until the controller shows 0 bar system pressure. Criterion: gauge at zero, no residual air noise.
- Open the air cleaner housing. The assembly is externally mounted on the R-Series enclosure. Release the end-cover clips or bolts. Criterion: clips free of seizure, cover not deformed.
- Remove the old element and inspect it. Lift the element out vertically and check dust distribution and surface condition. Criterion: even grey-brown dust is normal; oily residue indicates oil carry-over upstream and should be investigated.
- Clean the housing interior. Wipe the inner wall and base with a dry, lint-free cloth. Do not blow compressed air into the housing — it drives dust into the inlet. Criterion: no loose dust; in humid regions also check for condensate at the base.
- Check the breather filter. The breather filter (part 39123111) shares the 2000-hour interval. Inspect it now: replace together if clogged or heavily loaded. Criterion: media intact, no heavy dust build-up.
- Fit the new element and confirm the seal. Align 54672522 with the housing outlet and push fully home; confirm the radial seal ring is evenly compressed around its circumference, with no trapped material or skew. Criterion: element face flush with the housing, even seal compression marks all round.
- Reassemble, reset the timer and verify. Refit the cover and tighten the clips. Reset the air filter service timer on the controller. Start the compressor and run at idle for 5 minutes. Criterion: inlet vacuum stable below 0.05 bar (5 kPa), confirming a good seal; if vacuum is high, check seal seating.
Installation rule: never start the compressor before the element is seated and the seal compressed. If a radial-seal element is not pushed fully home, air bypasses directly through the gap between seal and housing — equivalent to running with no element at all.
FAQ
Which models use 54672522?
All four models on the NG R-Series 30–37 kW platform: R30I, R30N, R37I and R37N. Fixed-speed (N) and variable-speed (I) configurations share the same air filter. R30, R37, R30IE and R37IE also use this part number.
Is the air filter the same for R30 and R37?
Yes. 54672522 fits both R30 (30 kW) and R37 (37 kW). The difference between the two is motor power and displacement; the filter housing and element on the 30–37 kW platform are identical.
Can it be used on R45 or R55?
No. R45–R75 uses 54672530, and R90–R110 uses 23429822. Filter housings differ by power platform and cannot be cross-fitted or sealed.
How often should it be replaced?
2000 hours or 3 months under standard conditions, whichever comes first. In high-dust environments such as cement, quarrying or mining, shorten to approx. 1500 hours. Where site dust is persistently high, a high-dust pre-filter kit (24737298 / 24737306) lets you replace only the pre-filter layer and extend main element life.
What else should be replaced with the air filter?
Parts on the same 2000-hour interval: oil filter 54672654, oil separator 54749247 and breather filter 39123111. They share the same cycle as the air filter; replacing them together avoids staggered service intervals and repeated downtime.
Are there service kits covering these parts?
Yes. 2000-hour kit 24730897 (fixed and variable speed), 4000-hour fixed-speed kit 24730939, and 4000-hour variable-speed kit 24766123.
Which lubricant should be used?
Ingersoll Rand Ultra Coolant, part 38459582, for all R-Series screw compressors. Supplied in 5 L, 20 L and 55-gallon pack sizes.
Can a dirty element be blown clean and reused?
Not recommended. This is a radial-seal pleated paper element designed for single use. Reverse blowing with compressed air removes only surface dust; deep fine particles stay in the media, and air pressure can fracture fibres or distort pleat spacing, creating invisible channels. A washed element looks clean but has already failed — the risk outweighs the saving.
How do I know it needs changing?
Four signals: (1) rising inlet vacuum gauge reading; (2) controller service-due alarm; (3) media surface fully covered in dust with no visible pleats after removal; (4) falling discharge flow with rising energy consumption. Any one signal means replace.
Is this a genuine part and how do I verify it?
54672522 is the Ingersoll Rand OEM part number described on this page. Genuine parts carry Ingersoll Rand anti-counterfeit marking and warranty. Always order against the part number itself — it is the only unambiguous identifier. Do not order on a "fits R30/R37" description or visual similarity alone.
Compatible Models
| No. | Model | Power | Speed control |
|---|---|---|---|
| 1 | R30I | 30 kW | Variable speed (VSD), with dryer |
| 2 | R30N | 30 kW | Fixed speed |
| 3 | R37I | 37 kW | Variable speed (VSD), with dryer |
| 4 | R37N | 37 kW | Fixed speed |
| 5 | R30 | 30 kW | — |
| 6 | R37 | 37 kW | — |
| 7 | R30IE | 30 kW | Variable speed |
| 8 | R37IE | 37 kW | Variable speed |
Reading Notes
- All eight models above use this product and belong to the NG R-Series 30–37 kW platform. Fixed or variable speed, and whether a dryer is fitted, do not affect air filter selection.
- Elements are not interchangeable across power platforms. Air filter part numbers for other ratings in the series:
| Power platform | Air filter part number |
|---|---|
| R45–R75 (45–75 kW) | 54672530 |
| R90–R110 (90–110 kW) | 23429822 |
- If your unit's nameplate model is not listed, send a photo of the nameplate and the full model code. We will confirm against the part number before you order.
Related Parts
On the R-Series 30–37 kW platform, the following inlet and lubrication system parts share the air filter service cycle (part numbers from the R30I/R30N/R37I/R37N parts manual):
| Part | Part number | Function | Inspection point |
|---|---|---|---|
| Air cleaner assembly | 54652565 | Housing that carries and locates the air filter element | Check clips, sealing faces and outlet end for deformation |
| Oil filter | 54672654 | Removes wear debris and sludge from lubricant, protecting bearings and rotors | Replace with the air filter; check sealing face for leaks afterwards |
| Oil separator | 54749247 | Separates oil mist from compressed air and returns oil, controlling oil carry-over | Check the return line for blockage at replacement |
| Breather filter | 39123111 | Balances pressure in the separator tank and keeps external dust out of the oil circuit | Inspect with the air filter; replace if clogged |
| Lubricant (Ultra Coolant) | 38459582 | Standard coolant for R-Series screw compressors, lubricating and sealing | Test oil per unit requirements; do not mix with other brands |
| 2000-hour service kit | 24730897 | Service kit for fixed and variable speed | Supplies all same-interval wear parts in one order, reducing downtime |
| 4000-hour service kit | 24730939 (fixed) / 24766123 (variable) | Major service kit | Schedule by unit running hours |
| High-dust pre-filter kit | 24737298 / 24737306 | Additional pre-filter layer for high-dust sites | Replace only the pre-filter when spent, extending main element life |
Recommended grouping: the air filter, oil filter and oil separator share the 2000-hour interval and should be replaced together to avoid staggered maintenance cycles. On dusty sites, fit the high-dust pre-filter kit first — pre-filter parts cost far less than the main element and are faster to change.