Introduction
The Ingersoll Rand 47588563001 / 23708423 Air/Oil Separator Maintenance Kit combines a scheduled preventive-maintenance reference with a dedicated separator element used in compatible rotary screw compressor systems.
47588563001 is listed within Ingersoll Rand's preventive-maintenance family as an 8,000-hour preventive maintenance kit for water-cooled equipment. The same family includes separate 2,000-hour, 4,000-hour, and air-cooled 8,000-hour service references.
The independently documented 23708423 is an air/oil separator element. Ingersoll Rand parts listings identify it as “TANK ELEMENT, SEPARATOR R55I-14 HAT P,” while other application records identify it as the separator for several R-series configurations.
The separator is a critical component of a lubricated rotary screw compressor. During compression, oil is introduced into the airend for cooling and lubrication. The resulting compressed-air/oil mixture then enters the separator vessel, where the separator element removes the remaining oil aerosol from the air stream.
Effective separation helps return recovered lubricant to the compressor oil circuit while allowing cleaner compressed air to proceed through the aftercooling and discharge system. A degraded separator can therefore contribute to increased oil carryover and changes in pressure drop.
Application records show 23708423 on R45 IE, R55 I, R55 N, R75 I, and R75 N configurations. Some applications are specifically limited by serial number, such as R45 IE and certain R55I/R75I machines manufactured up to serial number UCV1004333.
This serial-number dependence is important because Ingersoll Rand has used different separator, air-filter, and oil-filter references across compressor generations. For example, application tables show 23708423 paired with 54672530 as the air filter and 23424922 as the oil filter on certain R45 IE, R55, and R75 configurations.
The available physical specifications identify 23708423 at approximately 240 mm outside diameter, 297 mm maximum diameter, and 278 mm total height. These measurements provide useful identification information, but dimensional agreement alone should not be used as proof of compatibility.
A replacement separator should be installed with particular attention to the sealing surfaces between the separator and tank cover. The sealing interface must remain clean and properly seated to prevent unfiltered air or oil from bypassing the intended separation path.
Separator replacement is generally performed as part of scheduled compressor maintenance or when operating evidence indicates degraded separation performance. One application-specific service listing recommends replacement at 8,000 operating hours or annually, whichever comes first; the compressor's applicable Ingersoll Rand maintenance schedule should take precedence.
The supplied pair is treated as one product listing as requested. Public records independently establish 47588563001 as the 8,000-hour water-cooled preventive-maintenance kit reference and 23708423 as the air/oil separator element. The available documentation does not independently establish that 23708423 is the complete bill of materials contained in 47588563001.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Ingersoll Rand |
| Primary Part Number | 47588563001 |
| Associated Part Number | 23708423 |
| Product Type | 8,000-Hour Preventive Maintenance Kit / Air/Oil Separator Element |
| Maintenance Kit Type | 8,000-Hour Preventive Maintenance Kit, Water-Cooled |
| Component Description | Tank Element, Separator |
| Separator Type | Air/Oil Separator |
| Installation Position | Separator / Sump Tank |
| Documented Applications | R45 IE, R55 I/N, R75 I/N and selected related configurations |
| Outside Diameter | Approx. 240 mm |
| Maximum Diameter | Approx. 297 mm |
| Total Height | Approx. 278 mm |
| Approx. Imperial Envelope | 9.45 in OD × 11.69 in max. diameter × 10.94 in H |
| Reported Element Weight | Approx. 14 lb / 6.35 kg, supplier-reported |
| Separator Media | Not reliably verified from OEM documentation |
| Filtration Efficiency | Not reliably verified as an OEM specification |
| Rated Micron Performance | Not reliably verified from OEM documentation |
| Pressure-Drop Rating | Not reliably verified from OEM documentation |
| Complete Kit Dimensions | Not reliably verified |
| Complete Kit Weight | Not reliably verified |
| Maintenance Reference | 8,000 hours for 47588563001 |
| Compatibility | Model-, serial-number-, and separator-configuration dependent |
The reported dimensions are supported by available separator specifications, while the approximately 14 lb weight is supplier-reported and should not be interpreted as a verified OEM engineering weight.
Recommended Companion Models
| Model | Product Name |
|---|---|
| 47588561001 | Ingersoll Rand 2,000-Hour Preventive Maintenance Kit |
| 47588562001 | Ingersoll Rand 4,000-Hour Preventive Maintenance Kit |
| 47588564001 | Ingersoll Rand 8,000-Hour Preventive Maintenance Kit, Air-Cooled |
| 47588565001 | Ingersoll Rand Gearbox Maintenance Package |
These references belong to the same Ingersoll Rand preventive-maintenance family as 47588563001 but represent different service intervals or maintenance functions rather than direct replacements for 23708423.
Frequently Selected Alternatives
| Model | Product Name |
|---|---|
| 23675010 | Ingersoll Rand Air/Oil Separator Element |
| 23545841 | Ingersoll Rand Air/Oil Separator |
| 23566938 | Ingersoll Rand Air/Oil Separator |
| 24121212 | Ingersoll Rand Air/Oil Separator |
