Ingersoll Rand 47555465001 23531577 Water-Cooled Preventive Maintenance Kit

Introduction

The Ingersoll Rand 47555465001 23531577 Water-Cooled Preventive Maintenance Kit combination covers the minimum-pressure-valve portion of the 8,000-hour major-service program for compatible R90–110 I rotary screw compressors. 47555465001 is listed as the 8,000-hour water-cooled preventive-maintenance package, while 23531577 is identified as the minimum-pressure-valve service kit.

The minimum-pressure valve is an important part of the compressor pressure-control system. It helps establish the pressure conditions required for appropriate compressor operation, particularly during startup and load/unload transitions. Proper pressure control is also important to the compressor's internal oil-management and operating conditions.

The 23531577 reference is clearly identified in current parts listings as a minimum-pressure valve kit. One supplier describes it as a genuine Ingersoll Rand Kit Service Minimum Pressure Check Valve, while another identifies it specifically as a minimum-pressure valve kit.

The relationship between the requested references is documented in the R90–110 I maintenance program. The 47555465001 package is listed as the 8,000-hour water-cooled preventive-maintenance kit, and 23531577 appears among its major-service components.

This is significant because the 8,000-hour package is broader than a routine filter replacement. The same service program includes the primary air filter 23429822, coolant filter 23424922, pre-filter 23497001, separator 23545841, temperature-control components, inlet-valve service, water-cooler seals, and motor grease.

A minimum-pressure valve can experience contamination, seal deterioration, spring or mechanical wear, and changes in operating characteristics over long service periods. A dedicated service kit provides a controlled way to renew the applicable valve components without assuming that the complete compressor pressure-control assembly must be replaced.

Troubleshooting should distinguish valve faults from other pressure-control problems. Solenoid valves, control lines, pressure sensors, controller commands, restricted passages, or other pneumatic components can produce symptoms similar to a defective minimum-pressure valve. A complete diagnostic procedure is therefore appropriate before replacing the assembly.

During service, technicians should inspect the valve body, sealing surfaces, connection interfaces, moving components, and associated control passages. Contamination should be removed using the applicable service procedure, and the valve should be installed according to the compressor-specific instructions.

The connection configuration is especially important. An OEM-oriented listing describes 23531577 with DN64 outlet and DN76-inch-related dimensions, but that information should not be generalized to every compressor application. The actual compressor drawing and current parts documentation should determine the correct connection arrangement.

For maintenance planning, 47555465001 should be distinguished from the lower-interval R90–110 preventive-maintenance packages. In the broader Ingersoll Rand parts listing, 47555465001 is identified specifically as the 8,000-hour water-cooled package, while separate 2,000- and 4,000-hour packages exist for other service events.

For purchasing teams, maintaining the complete kit number together with 23531577 improves spare-parts traceability. It identifies both the maintenance event and the specific minimum-pressure-valve service requirement.

The 23531577 reference is also listed by aftermarket suppliers alongside 23392368 as a compatible minimum-pressure-valve service-kit reference. These third-party listings can assist sourcing, but they do not by themselves establish OEM interchangeability.

A minimum-pressure valve should not be selected simply because another valve has a similar appearance. Pressure setting, port dimensions, valve geometry, internal components, sealing arrangement, and compressor application must all be compatible.

For technicians, inspection of the surrounding pressure-control system is important when the valve is being serviced. A contaminated control passage or damaged connection can cause repeat failures even after the valve kit has been correctly installed.

Exact internal contents of 23531577, spring characteristics, pressure settings, complete dimensional tolerances, package dimensions, kit weight, and the complete application range were not sufficiently verified from authoritative documentation. These values are therefore intentionally not estimated.

For industrial compressor operators and maintenance professionals, 47555465001 and 23531577 provide a clear reference for minimum-pressure-valve service within the 8,000-hour water-cooled R90–110 maintenance program. Correct application matching and careful valve installation can support stable pressure control and dependable compressor operation.

Technical Specifications

Recommended Companion Models

These components are associated with the broader R90–110 I 8,000-hour water-cooled service program and address intake filtration, coolant filtration, air/oil separation, and pre-filtration.

Frequently Selected Alternatives