Brand:Ingersoll Rand Item No.:47704439001 / 47690462001 Product Origin:USA Product Dimensions:109 × 64 × 58 mm Product Weight:0.08 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Ingersoll Rand 47704439001 / 47690462001 MPCV Rebuild Kit is a maintenance-oriented component set for servicing the minimum pressure check valve on compatible rotary screw compressors.
The minimum pressure check valve plays an important role in an oil-flooded compressor. It helps establish and maintain the pressure conditions inside the separator and lubrication circuit, particularly during startup and changing operating conditions. Correct valve operation supports oil circulation, separation performance, and stable compressed-air delivery.
The 47690462001 is specifically identified as an MPCV Rebuild Kit, while application information associates the part with RS45–75I/N compressors. Available trade data identifies the kit as a six-piece configuration.
For maintenance teams, rebuilding a serviceable MPCV can be a practical alternative to replacing the entire valve assembly. During installation, the existing valve body and mating surfaces should be carefully inspected, and all seals and internal components should be installed according to the applicable service procedure.
The 47704439001 / 47690462001 references are treated as the same product listing for this page.
Technical Specifications
Specification
Details
Brand
Ingersoll Rand
Primary Part Number
47704439001
Corresponding Part Number
47690462001
Product Type
MPCV Rebuild Kit
Valve Type
Minimum Pressure Check Valve
Kit Configuration
6-Piece Rebuild Kit
Reported Application
RS45–75I/N
Primary Function
MPCV Component Renewal
System
Compressor Oil / Separator Circuit
Maintenance Type
Preventive / Corrective Valve Service
Installation Area
Minimum Pressure Check Valve Assembly
Dimensions
Kit-specific; verify against supplied configuration
Weight
Approx. 5.05 kg*
Compatibility
Model-, serial-number and configuration-dependent
*The 5.05 kg figure is reported in a current product listing; confirm shipping or installed weight against the supplied kit configuration when exact logistics data is required.
Recommended Companion Models
Model
Product Name
47690563001
Ingersoll Rand Thermal Valve 180°F Rebuild Kit
47690564001
Ingersoll Rand Thermal Valve 185°F Rebuild Kit
47690461001
Ingersoll Rand Inlet Valve Rebuild Kit
23531577
Ingersoll Rand MPCV Service Kit
The related valve and MPCV service references above are documented as Ingersoll Rand maintenance parts, including the thermal-valve and inlet-valve rebuild kits.
Frequently Selected Alternatives
Model
Product Name
23531577
Ingersoll Rand MPCV Service Kit, DN64 OUT / DN76 IN
47703539001
Ingersoll Rand MPCV Installation Kit
47690461001
Ingersoll Rand Inlet Valve Rebuild Kit
47690462001
Ingersoll Rand MPCV Rebuild Kit
Where It Excels in Industrial Use
Minimum Pressure Check Valve Maintenance: The 47690462001 is an MPCV rebuild kit designed to restore the service condition of the minimum pressure check valve in compatible Ingersoll Rand compressors.
RS45–75I/N Compressor Systems: Parts information identifies this kit for RS45–75I/N compressor applications, making it particularly relevant to scheduled valve maintenance on these larger rotary screw platforms.
Lubrication-System Pressure Control: A properly functioning MPCV helps maintain the pressure conditions required within the separator/oil circuit during compressor startup and operation.
Planned Valve Rebuilds: A dedicated rebuild kit allows maintenance personnel to renew the serviceable components of the existing valve rather than automatically replacing the complete valve assembly.
Key Strengths at a Glance
MPCV-Specific Rebuild Solution: Developed specifically for servicing the minimum pressure check valve.
Six-Piece Kit Configuration: Parts information identifies the 47690462001 as a six-piece MPCV rebuild kit for RS45–75I/N applications.
Supports Proper Oil-System Pressure: Maintaining the MPCV helps preserve the pressure conditions required for effective compressor lubrication and oil separation.
Targeted Preventive Maintenance: Provides a focused solution for valve wear and service issues during scheduled compressor maintenance.
Technical FAQs
1. What is the primary function of Ingersoll Rand 47704439001 / 47690462001?
The 47690462001 is an MPCV rebuild kit used to service the minimum pressure check valve on compatible Ingersoll Rand rotary screw compressors.
2. What does MPCV stand for?
MPCV stands for Minimum Pressure Check Valve. The valve helps maintain the required minimum pressure within the compressor's oil-separation and lubrication circuit.
3. Which compressors are associated with 47690462001?
Available parts information identifies the kit for RS45–75I/N compressor applications. Final compatibility should be confirmed against the compressor model and serial number.
4. Why is minimum pressure important in an oil-flooded screw compressor?
Maintaining suitable internal pressure helps support proper oil circulation and separation during operation. The MPCV therefore contributes to stable operation of the lubrication and compressed-air systems.
5. What can happen if the MPCV does not operate correctly?
A malfunctioning MPCV can contribute to abnormal pressure behavior, poor oil separation, startup-related lubrication problems, or increased oil carryover. Other components should also be checked before attributing a symptom solely to the valve.
6. Does 47690462001 replace the complete MPCV assembly?
No. It is identified as an MPCV rebuild kit, intended to renew service components of the existing valve. Whether the existing valve body can be rebuilt depends on its physical condition and the applicable service procedure.
7. How many components are included in the kit?
Trade and parts information identifies the 47690462001 as a six-piece kit for the RS45–75I/N application.
8. What symptoms may indicate MPCV deterioration?
Possible symptoms include abnormal separator pressure, increased oil carryover, unusual startup behavior, or difficulty maintaining expected operating conditions. Proper diagnosis should include inspection of the valve, seals, control circuit, and related components.
9. Can an MPCV problem affect oil carryover?
Yes. The minimum pressure check valve works within the separator and oil circuit, so incorrect valve operation can influence the pressure conditions required for effective oil separation.
10. What should be verified before ordering 47704439001 / 47690462001?
Verify the compressor model, serial number, valve configuration, existing part number, and applicable Ingersoll Rand parts documentation. Ingersoll Rand's Parts Finder recommends selecting the equipment type and compressor model to identify the appropriate OEM parts.
