Introduction
The Ingersoll Rand 47545138001 24553281 Inlet Valve Service Component combination is relevant to maintenance of the compressor air-inlet control system. 47545138001 is specifically identified as an inlet valve service kit with modification for the New Cobra M90–160 compressor family, while 24553281 appears separately in Ingersoll Rand valve spare-parts listings.
The inlet valve is an important control point in an oil-injected rotary screw compressor. It manages the admission of atmospheric air into the compression system and works with the compressor's control strategy to establish the appropriate operating condition. Because the valve is repeatedly exposed to movement and changing compressor conditions, its mechanical and sealing components require appropriate inspection during scheduled service.
The 47545138001 reference is particularly useful for maintenance planning because it identifies a dedicated service kit rather than a generic collection of replacement parts. Current parts information associates the kit with New Cobra M90–160 applications and distinguishes it from the standard 47548442001 intake-valve maintenance kit.
This distinction is important when servicing equipment that has a modified inlet-valve configuration. A visually similar service component may not provide the same fit or operating characteristics, particularly when the compressor has been updated from an earlier configuration.
The 24553281 reference is listed among Ingersoll Rand valve spare parts, but the publicly available catalog material does not provide enough detail to establish its precise internal position within the 47545138001 service kit. For procurement purposes, it is therefore safer to maintain 24553281 as a separate valve-related reference unless the applicable machine-specific bill of materials confirms its inclusion.
A properly serviced inlet valve can contribute to stable compressor response during changes between loaded and unloaded operation. Conversely, leakage, sticking, contamination, or mechanical deterioration can affect the compressor's ability to respond correctly to its control commands.
During service, technicians should pay attention to moving components, sealing surfaces, actuator interfaces, and air passages. Contamination should be removed using approved procedures, and any damaged components should be replaced with parts confirmed for the specific compressor configuration.
The modification designation in 47545138001 should not be overlooked. Inlet-valve service kits can differ between standard and modified machine configurations, even when the compressor capacity range is similar. Using the exact service reference helps reduce the risk of applying an earlier configuration to an updated machine.
Inlet-valve troubleshooting should also consider the complete control system. Electrical signals, pneumatic control lines, actuators, pressure conditions, and controller commands can all influence valve behavior. An apparent inlet-valve fault does not necessarily mean that the valve itself is defective.
The broader New Cobra M90–160 maintenance program includes other dedicated service references, including 47545136001 for the temperature-sensing valve, 47545140001 for air-cooling hose service, 47545143001 for water-cooler seal maintenance, and 47545142001 for gearbox maintenance. These parts serve different functions and should not be treated as interchangeable.
For maintenance teams, separating the service-kit reference from individual component references improves purchasing accuracy. 47545138001 identifies the broader inlet-valve service requirement, while 24553281 should be ordered as an individual component only when its application is confirmed.
Exact internal contents of 47545138001, the precise function of 24553281 within a particular inlet-valve assembly, component dimensions, material specifications, pressure ratings, package dimensions, and weight were not sufficiently verified from authoritative documentation. These values are therefore intentionally not estimated.
For industrial compressor owners and service professionals, accurate part identification is essential when maintaining inlet-air control equipment. Matching 47545138001 and 24553281 to the correct compressor configuration and modification status provides a more reliable basis for planned maintenance, troubleshooting, and spare-parts procurement.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Ingersoll Rand |
| Service Kit Reference | 47545138001 |
| Component Reference | 24553281 |
| 47545138001 Product Type | Inlet Valve Service Kit with Modification |
| 24553281 Product Category | Valve-related compressor spare part |
| Primary System | Compressor air-inlet control |
| Primary Function | Inlet-valve service and component renewal |
| Compressor Family | New Cobra M90–160 |
| Configuration | Modified inlet-valve service application |
| Operating Function | Air-admission and compressor load-control support |
| Internal Kit Contents | Verify current bill of materials |
| Component Dimensions | Application-specific; verify applicable parts documentation |
| Material | Application-specific; verify current parts documentation |
| Pressure Rating | Application-specific; verify applicable specification |
| Temperature Rating | Application-specific; verify applicable specification |
| Kit Dimensions | Application-specific; verify applicable parts documentation |
| Weight | Packaging-specific; verify supplied product |
| Installation | Follow applicable Ingersoll Rand service documentation |
| Compatibility | Confirm compressor model, serial number, and modification status before ordering |
The available parts data identifies 47545138001 as the modified inlet-valve service kit and lists 24553281 among Ingersoll Rand valve spare references.
Recommended Companion Models
| Model | Product Name |
| 47545141001 | 16,000-Hour Water-Cooled Preventive Maintenance Kit |
| 47545136001 | Temperature-Sensing Valve Maintenance Kit |
| 47545140001 | Air Cooling Hose Service Kit |
| 47545142001 | Gearbox Maintenance Kit |
These references represent complementary maintenance requirements associated with the New Cobra M90–160 service program and are not substitutes for the inlet-valve service kit.
Frequently Selected Alternatives
| Model | Product Name |
| 47548442001 | Intake Valve Maintenance Kit |
| 47553881001 | Intake Valve Service Kit 8K with Modification |
| 47553880001 | Intake Valve Service Kit 8K |
| 23531593 | Intake Valve Service Kit 8K |
