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Copeland Stream™ Semi-Hermetic Compressor – 4M & 6M Series
Copeland Stream™ semi-hermetic reciprocating compressors are engineered for demanding commercial and industrial refrigeration. The Stream 4M and 6M families combine robust field-serviceable construction, high-efficiency compressor technology and advanced compressor protection for medium- and low-temperature refrigeration applications.
The Copeland Stream family is designed for refrigeration systems requiring higher capacities, serviceability and dependable operation. Stream compressors can be applied as individual compressors, in condensing units or as part of multi-compressor refrigeration racks.
📋 Copeland Stream Series at a Glance
🔷 Stream 4M & 6M Compressor Families
4M Series
4-Cylinder Stream Compressors
The 4M family covers the smaller and intermediate capacities within the Stream compressor platform.
10 Models4MF-13X, 4MA-22X, 4ML-15X, 4MH-25X, 4MM-20X, 4MI-30X, 4MT-22X, 4MJ-33X, 4MU-25X and 4MK-35X.
6M Series
6-Cylinder Stream Compressors
The larger 6M family provides increased displacement for higher-capacity commercial and industrial refrigeration systems.
6 Models6MM-30X, 6MI-40X, 6MT-35X, 6MJ-45X, 6MU-40X and 6MK-50X.
✨ Key Features
Semi-Hermetic Construction
Robust bolted construction allows internal compressor components to be accessed for servicing and maintenance.
Advanced Compressor Protection
Stream compressors are available with intelligent compressor protection and diagnostic technology designed to improve system reliability and troubleshooting.
Medium & Low Temperature
Designed for a broad range of commercial refrigeration operating conditions including cold storage and frozen-food applications.
Capacity Control Options
Stream compressors can support capacity-control solutions for refrigeration systems with varying cooling loads.
Multi-Compressor Capability
Suitable for single-compressor installations, condensing units and multi-compressor rack systems.
Serviceable Design
Replaceable and serviceable components make Stream suitable for demanding commercial refrigeration installations where long equipment life is important.
💡 Why Choose a Copeland Stream Semi-Hermetic Compressor?
Copeland Stream combines a heavy-duty semi-hermetic reciprocating platform with efficient valve technology and intelligent compressor protection. The range is particularly suited to larger commercial refrigeration systems where efficiency, serviceability, capacity control and dependable operation are key design requirements.
📘 Complete Copeland Stream 4M & 6M Model Range
View All 16 Copeland Stream Compressor Models
| Model | Series | Cylinders | 50 Hz Displacement | Approx. Net Weight |
|---|---|---|---|---|
| 4MF-13X | 4M | 4 CYLINDER | 62 m³/h | 177 kg |
| 4MA-22X | 4M | 4 CYLINDER | 62 m³/h | 178 kg |
| 4ML-15X | 4M | 4 CYLINDER | 71 m³/h | 180 kg |
| 4MH-25X | 4M | 4 CYLINDER | 71 m³/h | 187 kg |
| 4MM-20X | 4M | 4 CYLINDER | 78 m³/h | 182 kg |
| 4MI-30X | 4M | 4 CYLINDER | 78 m³/h | 188 kg |
| 4MT-22X | 4M | 4 CYLINDER | 88 m³/h | 183 kg |
| 4MJ-33X | 4M | 4 CYLINDER | 88 m³/h | 190 kg |
| 4MU-25X | 4M | 4 CYLINDER | 99 m³/h | 186 kg |
| 4MK-35X | 4M | 4 CYLINDER | 99 m³/h | 202 kg |
| 6MM-30X | 6M | 6 CYLINDER | 120 m³/h | 215 kg |
| 6MI-40X | 6M | 6 CYLINDER | 120 m³/h | 219 kg |
| 6MT-35X | 6M | 6 CYLINDER | 135 m³/h | 221 kg |
| 6MJ-45X | 6M | 6 CYLINDER | 135 m³/h | 223 kg |
| 6MU-40X | 6M | 6 CYLINDER | 153 m³/h | 225 kg |
| 6MK-50X | 6M | 6 CYLINDER | 153 m³/h | 230 kg |
🌡️ Refrigerants & Application Compatibility
Copeland Stream has been developed as a multi-refrigerant compressor platform. Approved refrigerants depend on the compressor version, market and application.
Do not assume that every Stream compressor is approved for every refrigerant shown above. Always verify the exact compressor model, application envelope and Copeland refrigerant approval before installation.
📉 Capacity Control & Digital Modulation
Copeland Stream compressors can be applied with capacity-control technologies to better match compressor output to varying refrigeration loads.
| Compressor Type | Capacity Control | Typical Modulation |
|---|---|---|
| Standard 4M Stream | Cylinder unloading / capacity control | 100% / approximately 50% |
| Standard 6M Stream | Cylinder unloading / capacity control | 100% / approximately 66% / 33% |
| Stream Digital | Digital modulation technology | Continuous capacity modulation within the applicable compressor operating range |
🛡️ Compressor Electronics & Protection
Depending on compressor generation and market specification, Copeland Stream compressors can incorporate advanced compressor electronics for protection, diagnostics and system monitoring.
Motor Protection
Helps protect the compressor against abnormal motor operating conditions.
Discharge Temperature
Monitoring helps protect the compressor against excessive discharge temperatures.
Diagnostics
Diagnostic information can assist technicians in identifying refrigeration-system problems.
🏭 Typical Applications
❄️ Cold Storage
Medium- and low-temperature commercial cold room systems.
🧊 Freezer Rooms
Frozen-food storage and demanding low-temperature refrigeration.
🛒 Supermarkets
Refrigeration racks, display cases and centralized systems.
🏭 Industrial Refrigeration
Food processing, distribution centres and larger refrigeration systems.
🔍 How to Select a Copeland Stream Compressor
Compressor model number, displacement or horsepower alone is not sufficient for final compressor selection. Cooling capacity and operating envelope vary according to refrigerant, evaporating temperature, condensing temperature and suction-gas condition.
Always verify the complete Copeland Stream model, electrical specification, refrigerant approval and operating envelope before ordering or replacing a compressor.
Need a Copeland Stream Semi-Hermetic Compressor?
Contact RNA Engineering & Trading Sdn Bhd with your existing compressor model, refrigerant, voltage, evaporating temperature, condensing temperature and required cooling capacity. Our team can assist with Copeland Stream 4M and 6M compressor selection for commercial refrigeration, cold room and freezer applications.
Technical information is based on Copeland Stream product and application literature. Specifications, refrigerant approvals and compressor electronics may vary according to market, model generation and bill of material. Verify the latest Copeland technical documentation before final equipment selection.
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