Ingersoll Rand 54672522 Air Filter Element | R30/R37 NG R-Series

Product Overview

54672522 is the intake air filter element (Element, Air Filter) for Ingersoll Rand NG R-Series (Next Generation R-Series) 30–37 kW screw air compressors. It is mounted inside the external air cleaner assembly, upstream of the airend intake. As the first filtration barrier in the compressed air system, its condition directly affects the service life of the downstream oil separator, oil filter and lubricant.

A key advantage of this part number is that four models on the same platform share it: R30I, R30N, R37I and R37N. Both 30 kW and 37 kW ratings use 54672522, and both fixed-speed (N) and variable-speed (I) configurations use the same element. No differentiation by power or speed control is required at the point of purchase.

Core Specifications

• Part number: 54672522
• Description: Element, Air Filter
• Brand: Ingersoll Rand
• Platform: NG R-Series 30–37 kW
• Compatible 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 replacement interval: 2,000 hours or 3 months

Basic Parameters

• Part number: 54672522
• Brand: Ingersoll Rand
• Product name: Element, Air Filter
• Category: intake filtration (air filter)
• Platform: NG R-Series 30–37 kW
• Compatible models: R30I, R30N, R37I, R37N
• Parent assembly: air cleaner, part number 54652565
• Installation position: inside the external air cleaner assembly, upstream of the airend intake
• Quantity per machine: 1
• Replacement interval: 2,000 hours or 3 months

Fitment confirmation: this part number covers the NG R-Series 30–37 kW platform only. Do not apply it to other power ranges — R45–R75 uses 54672530 and R90–R110 uses 23429822. Filter housings differ in size between power platforms and are not interchangeable. Confirm by checking the machine nameplate model or reading the part number on the old element.

Technical Specifications

1. Filtration Performance

• Filtration rating: ≤10 μm
• Filtration efficiency: ≥99% for particles ≥5 μm
• Filter class: HVAC filter classification (EN 779) does not apply; air filter elements are characterised under ISO 5011 by filtration efficiency, intake restriction and dust holding capacity
• Dust holding capacity: approx. 900 g

2. Flow and Restriction

• Rated air flow: matched to the displacement of the NG R-Series 30–37 kW platform, one element per machine
• Filtration face velocity: approx. 0.036 m/s
• Initial pressure drop: after fitting a new element, intake vacuum should stabilise below 0.05 bar (5 kPa)
• Operating differential range: from new-element initial restriction to the blockage alarm value
• Alarm / final restriction: per the machine intake vacuum gauge reading and controller alarm
• Pressure drop vs. energy: each 1 kPa rise in intake restriction increases machine energy consumption by approximately 1%

Pressure drop and energy consumption: rising intake restriction lowers intake pressure and density, so the machine must work harder to hold the set discharge pressure and flow, and specific power rises. Based on a theoretical compression-ratio calculation at 0.7 MPa discharge pressure and 101.3 kPa atmospheric pressure:

• 0 kPa (new element): compression ratio 7.91 — baseline
• 2 kPa: compression ratio 8.07 — +2.0%
• 4 kPa: compression ratio 8.24 — +4.1%
• 6 kPa: compression ratio 8.41 — +6.3%

Engineering implication: from new to heavily blocked (0 → 6 kPa), machine energy consumption rises progressively by about 6%. R-Series machines commonly run more than 6,000 hours per year, so the extra electricity cost far exceeds the price of one element — which is the engineering basis for the factory pressure-drop alarm setting.

3. Dimensions and Installation

• Overall dimensions: 194 mm OD × 114 mm ID × 399 mm overall height
• Media body height: 367 mm (approx. 32 mm total for both end structures)
• Construction: pleated radial-seal cartridge, primary / outer element
• Effective filtration area: approx. 3.0 m²
• Pleat count: approx. 101
• Pleat spacing: approx. 4.8 mm
• Mounting interface: radial push-in, fitted to the outlet end of the air cleaner assembly (54652565)
• Seal type: radial seal

Procurement note: when cross-checking replacements, compare all three dimensions — 194 mm OD, 114 mm ID and 399 mm overall height. This element uses a radial seal; the seal ring sits on the outer circumference of the element end, and it must be pushed fully home with even circumferential compression confirmed.

4. Material Construction

• Filter media: imported wood-pulp filter paper (industry-common US HV or Ahlstrom media)
• Media grammage: approx. 130 g/m²
• Inner and outer support: galvanised steel perforated cage (inner cage + outer guard)
• End caps: metal end caps (galvanised steel sheet) with polyurethane adhesive
• Seal: radial seal ring (oil-resistant rubber)
• Bonding layer: polyurethane (PU) hot-melt adhesive

5. Operating Tolerance

• Operating temperature: −10 to +100 °C
• Relative humidity: ≤80% RH, without condensation
• Burst strength: media burst strength approx. 200–400 kPa (per ISO 2758 paper burst strength determination)
• Collapse resistance: the element must withstand the machine intake alarm differential without collapsing
• Special functions: no flame-retardant, antistatic or special-coating designation is noted for this model

6. Service Life and Maintenance

• Service life: 2,000 hours or 3 months, whichever comes first
• High-dust environments: shorten to approx. 1,500 hours, or fit a high-dust pre-filter kit
• Storage shelf life: approx. 2–3 years (unopened, dry and ventilated conditions)

7. Applicable Standards

• Applicable product standard: ISO 5011 (inlet air cleaning equipment for internal combustion engines and compressors — performance testing), evaluated by filtration efficiency, intake restriction and dust holding capacity
• Commonly cited test standards in the industry: ISO 2941 / 2942 / 2943 / 3723 / 3724 / 3968
• Standard applicability note: the ISO 29xx / 37xx series above are in fact general test methods for hydraulic fluid power filter elements. If a supplier can only provide hydraulic filter element standards, request ISO 5011 data or the original specification sheet.

Standard Maintenance and Installation Steps

Single-person operation, approximately 20 minutes.

1. Shut down, depressurise, lock out / tag out. Disconnect and lock out at the main power supply. Wait until the controller shows system pressure at 0 bar. Criterion: pressure gauge at zero, no residual air flow noise.
2. Open the intake filter housing. The air cleaner is externally mounted on the R-Series enclosure. Release the end-cover clips or bolts. Criterion: clips not seized, end cover not deformed.
3. Remove the old element and inspect its condition. Lift the old element out vertically and check dust distribution and surface condition. Criterion: even grey-brown dust loading is normal; oily residue on the surface indicates an upstream oil carry-over issue that must be investigated.
4. Clean the housing interior. Wipe the inner wall and base with a dry, lint-free cloth. Never blow compressed air into the housing interior (this drives dust into the intake duct). Criterion: no loose dust on the inner wall; in humid regions also check the housing base for condensate.
5. Check the breather filter. The breather filter (part number 39123111) shares the same 2,000-hour interval as the air filter. Inspect it now: if blocked or heavily loaded, replace it at the same time. Criterion: media intact, no severe dust loading.
6. Fit the new element and confirm the seal. Align 54672522 with the housing outlet end, push in fully, and confirm the radial seal ring is evenly compressed with no trapped material and no skew. Criterion: element face flush with the housing, even compression marks around the seal ring.
7. Reassemble, reset the timer and verify. Refit the end cover and tighten the clips. Reset the air filter service timer on the controller. Start the machine and run at idle for 5 minutes. Criterion: intake vacuum stable below 0.05 bar (5 kPa), indicating a good seal; if vacuum is high, check that the seal ring is correctly seated.

Installation rule: never start the machine before the element is fully seated and the seal ring is compressed. With a radial seal, if the element is not pushed fully home, air bypasses directly through the gap between seal ring and housing — equivalent to running with no element at all.

Frequently Asked Questions

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 an R45 or R55?
No. R45–R75 uses 54672530 and R90–R110 uses 23429822. Filter housings differ in size between power platforms; a cross-platform element will not fit or seal.

How often should it be replaced?
In standard conditions, 2,000 hours or 3 months, whichever comes first. In high-dust environments such as cement, quarrying and mining, shorten to approximately 1,500 hours. Where site dust levels are persistently high, a high-dust pre-filter kit (24737298 / 24737306) can be fitted so that only the pre-filter is replaced when it fails, extending main element life.

What else should be replaced with the air filter?
Parts on the same 2,000-hour service interval: oil filter 54672654, oil separator 54749247 and breather filter 39123111. These share the air filter's interval, so inspecting and replacing them together avoids staggered maintenance cycles and repeated downtime.

Is there a service kit containing this set?
Yes. 2,000-hour kit 24730897 (for fixed and variable speed), 4,000-hour fixed-speed kit 24730939 and 4,000-hour variable-speed kit 24766123.

Which lubricant should be used?
Ingersoll Rand Ultra Coolant, part number 38459582, suitable for all R-Series screw compressors. Available in 5 L, 20 L and 55 US gallon sizes.

Can a dirty element be blown clean and reused?
Not recommended. This is a radial-seal pleated paper element designed for single use. Back-blowing with compressed air removes only surface dust; fine particles embedded in the media cannot be cleared, and back-blow pressure can rupture media fibres or distort pleat spacing, creating invisible channels. Reusing a cleaned element leaves it looking clean but functionally failed, with more risk than benefit.

How do I know it is time to replace?
Four signals: (1) rising intake vacuum gauge reading; (2) controller service-due alarm; (3) on removal, the media surface is completely covered in dust with the original pleat pattern no longer visible; (4) falling displacement with rising energy consumption. Any one signal means replace.

Is this a genuine part and how is counterfeiting prevented?
The 54672522 described here is an Ingersoll Rand original part number. Genuine parts carry Ingersoll Rand anti-counterfeit identification and a warranty. Always order against the part number itself — the part number is the only identity that cannot be confused; do not order on the basis of "fits R30/R37" or visual similarity alone.

Compatible Models

• R30I — 30 kW — variable speed (VSD), with refrigerated dryer
• R30N — 30 kW — fixed speed
• R37I — 37 kW — variable speed (VSD), with refrigerated dryer
• R37N — 37 kW — fixed speed
• R30 — 30 kW — —
• R37 — 37 kW — —
• R30IE — 30 kW — variable speed
• R37IE — 37 kW — variable speed

How to read this list

• All eight models above use the product on this page and belong to the NG R-Series 30–37 kW platform. Fixed or variable speed, and whether a refrigerated dryer is fitted, do not affect air filter selection.
• Cross-platform interchange is not possible. Air filter part numbers for other power ranges in the same series are: R45–R75 (45–75 kW) — 54672530; R90–R110 (90–110 kW) — 23429822.
• If the nameplate model of your machine is not listed above, send us a photo of the nameplate and the full model number and we will verify by part number before you order.

Related Parts

In the intake and lubrication system of the R-Series 30–37 kW platform, the following parts are serviced on the same interval as the air filter (part numbers from the R30I/R30N/R37I/R37N parts manual):

• Air cleaner assembly — 54652565 — housing that carries and retains 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 discharge oil carry-over — check the oil return line for blockage during replacement
• Breather filter — 39123111 — balances pressure in the oil separator tank and prevents external dust entering the oil circuit — check with the air filter; replace at the same time if blocked
• Ultra Coolant lubricant — 38459582 — standard coolant for R-Series screw compressors, providing lubrication and sealing — test oil per machine requirements; avoid mixing with other brands
• 2,000-hour service kit — 24730897 — service pack for fixed and variable speed — supplies all same-interval wear parts in one order, reducing downtime events
• 4,000-hour service kit — 24730939 (fixed speed) / 24766123 (variable speed) — major service kit — schedule by machine running hours
• High-dust pre-filter kit — 24737298 / 24737306 — additional pre-filter layer for sites with excessive dust — replace only the pre-filter when it fails, extending main element life

Recommended combined replacement: the air filter, oil filter and oil separator share the 2,000-hour interval and should be replaced together to avoid staggered maintenance cycles. For dusty sites, fit the high-dust pre-filter kit first — the pre-filter costs far less than the main element and is faster to change.