EP-CMW15-0.8 Oil-Free Scroll Air Compressor
The EP-CMW15-0.8 is Ever Power’s maximum-capacity 0.8 MPa oil-free scroll compressor, housing four 3.7 kW scroll heads in a single intelligent cabinet to deliver 1660 L/min of certified oil-free air — with four-stage demand management, tri-level redundancy, and 61 dB(A) operation for the most demanding large industrial clean-air installations.
EP-CMW15-0.8: Quad-Head Oil-Free Scroll Compressor -- Maximum 0.8 MPa Capacity at 1660 L/min
The EP-CMW15-0.8 is the flagship of Ever Power's 0.8 MPa scroll compressor range -- a quad-head configuration housing four 3.7 kW scroll air-ends in a single managed cabinet delivering 1660 L/min of certified oil-free compressed air. Operating at 61 +/- 3 dB(A) and dimensioned at 1450 x 900 x 1150 mm (350 kg), this unit brings industrial-scale clean air production into a single controlled system rather than a complex of separate compressors. The four-head architecture enables four-stage demand response: one head for minimal demand, scaling up to all four for peak production, with intelligent PLC management handling every transition automatically. For any large facility where compressed air quality, operational continuity, and energy efficiency all carry equal weight, the EP-CMW15-0.8 is the definitive scroll compressor solution. Browse the full EP-CMW product family to compare all configurations.
The quad-head architecture also provides the highest level of built-in redundancy available in the CMW scroll range. With four heads, the unit can lose one head to a maintenance event and still deliver 1245 L/min -- the full output of the three-head EP-CMW11-0.8 -- without interruption. This three-active-one-maintenance operating mode makes the EP-CMW15-0.8 particularly well-suited to facilities where air supply interruption would trigger regulatory non-conformance, batch loss, or safety events.
Ever Power Quad-Head Engineering: Scale Without Compromise
Scaling oil-free compressed air capacity through multiple optimised scroll heads rather than single large mechanisms reflects Ever Power's core engineering principle: precision at every capacity level. Each of the four 3.7 kW heads in the EP-CMW15-0.8 uses the same world-first high-stiffness square air-end design, the same direct-drive permanent magnet motor, and the same 1 micron inlet filtration as the standalone EP-CMW3.7-0.8. The four-head cabinet does not introduce compromises in individual head engineering to achieve its combined output -- it multiplies proven precision. Ever Power's standing as the manufacturer of the world's first 1.2 MPa oil-free scroll compressor and as a contributor to national industry standards JB/T 11882-2014 and JB/T 12565-2015 reflects the engineering depth that underpins every unit in the range, including this flagship configuration. All four air-ends carry the standard 2-year warranty.
Technical Features -- EP-CMW15-0.8
Four-Stage Demand Response -- 415 / 830 / 1245 / 1660 L/min
The PLC manages four distinct capacity steps, each adding 415 L/min as demand increases. This fine-grained control minimises idle running across the widest possible demand range -- from overnight facility services at one-head output through full peak production at all four heads.
Tri-Level Redundancy -- Maximum Operational Continuity
With four heads, the EP-CMW15-0.8 retains three operational heads during any single-head maintenance event -- providing more air than the three-head model's total capacity. Even with two heads simultaneously on maintenance, the remaining two still deliver 830 L/min to sustain partial production.
Four-Way Automatic Lead Rotation -- Equal Wear Distribution
The PLC cycles each head through lead, secondary, tertiary, and standby roles over time, distributing running hours equally across all four mechanisms. All four heads approach scheduled maintenance simultaneously, simplifying the service planning for facilities with fixed maintenance windows.
Touch-Screen PLC -- Four-Head Status on One Interface
The touch-panel controller displays individual status, temperature, pressure, running hours, and maintenance reminders for all four heads on a single screen. System pressure trend, energy mode selection, and fault history are all accessible without specialist software or external monitoring hardware.
1 Inch Stainless Steel Outlet for 1660 L/min Flow
The 1-inch stainless steel manifold outlet handles the full 1660 L/min output flow without restriction. All air-contact surfaces -- manifold, pipework, integrated tank -- use food-grade stainless steel, maintaining the oil-free air quality specification at maximum output.
Four Independent Permanent Magnet Motors -- Total 15 kW
Each of the four scroll heads operates on its own 3.7 kW direct-drive permanent magnet motor with IP65 protection and F-class insulation. Motor independence means a fault on any single motor triggers the alarm, stops that head, and keeps the remaining three heads supplying air uninterrupted.
Scroll Compression at Maximum Scale
Four scroll heads in coordinated operation deliver the same oil-free, pulse-free compressed air as a single small scroll unit -- the physics of the compression cycle is identical across all power levels. Each orbiting scroll traces its orbital path against its paired fixed scroll, generating crescent-shaped compression pockets that migrate inward and decrease in volume, discharging clean compressed air centrally. Four heads operating simultaneously in parallel, feeding a common stainless manifold, produce the combined 1660 L/min output. The PLC manages sequencing to prevent simultaneous start events across all four heads -- which would create an unusually large inrush current. Instead, heads start in sequence with brief intervals, distributing the electrical load across the start-up period.
Technical Specifications -- EP-CMW15-0.8
| Parameter | Specification |
|---|---|
| Model | EP-CMW15-0.8 |
| Configuration | Quad Air-End (4 x 3.7 kW scroll heads) |
| Total Motor Power | 15 kW / 20 HP |
| Working Pressure Range | 0.2 - 0.8 MPa |
| Free Air Delivery (FAD) | 1660 L/min |
| Noise Level | 61 +/- 3 dB(A) |
| Outlet Connection Size | 1 inch (stainless steel) |
| Weight | 350 kg |
| Dimensions L x W x H | 1450 x 900 x 1150 mm |
| Air-End Warranty | 2 Years per head |
| Motor Type | Permanent Magnet x4, IP65, F-class, >94% efficiency each |
| Drive Type | Direct Drive per head (no belt, no coupling) |
| Control System | Touch-screen PLC, 4-stage demand management, 4-way head rotation, sequential start |
| Tank and Pipework | Stainless Steel |
| Inlet Filtration | 1 micron per head |
| Lubrication | Oil-Free (annual bearing grease per head) |
Large-Scale Industrial Applications
| Sector | Application | Specific Advantage |
|---|---|---|
| High-Volume Food Manufacturing | Multi-line packaging networks, centralized filling plants, distribution hubs | Highest-volume oil-free scroll output without multiple-unit complexity |
| Large Pharmaceutical Facilities | Multi-suite clean room networks, aseptic filling halls, GMP sterile areas | Four-level redundancy supports zero-interruption GMP mandates |
| Major Industrial Coating Plants | 30+ gun spray operations, robotic automotive paint lines, powder coat systems | 1660 L/min sustains full concurrent output across the largest coating installations |
| Precision CNC Manufacturing Clusters | Large machining cells, grinding and honing networks, multi-spindle centres | High-volume pulse-free air eliminates pressure variation across large machine clusters |
| Large Hospital and Medical Campus | Campus-wide instrument air distribution, imaging department supply | Maximum volume and maximum redundancy for mission-critical medical air |
Customer Case Studies -- EP-CMW15-0.8
United Kingdom -- Major Food Manufacturing Campus
Centralising Oil-Free Compressed Air Across a Multi-Building Production Site
A UK food group operating biscuit, confectionery, and ready-meal production across three adjacent buildings had been running seven separate compressors -- a mix of sizes and ages -- with air quality ranging from filtered oil-injected to genuine oil-free depending on building and line. A full air quality audit revealed that three of the seven compressors were failing to reliably deliver the oil content levels stated on their specification sheets. The EP-CMW15-0.8 was installed as the primary centralised supply for all three buildings via a new ring main. Its 1660 L/min capacity covered all building normal demand with the PLC typically running two or three heads. The group's central quality team reported their first clean compressed air audit across all three buildings simultaneously.
★★★★★
"First time all three buildings passed the compressed air audit in the same cycle. One unit replaced seven, and the air quality result is definitive." -- Group Quality Director
South Korea -- Automotive Body Panel Coating Line
Sustaining 1660 L/min Across a 20-Robot Coating Cell at Peak Output
A Korean automotive manufacturer operating a 20-robot body panel coating cell needed a compressed air solution capable of sustaining full concurrent robot activity without pressure variation -- a requirement their previous system of three separate oil-free screw compressors with complex inter-unit pressure management failed to meet reliably. The EP-CMW15-0.8's 1660 L/min single-cabinet output simplified the installation to one pressure point and one control interface. Coating quality engineers reported that the elimination of inter-compressor pressure balancing issues -- which had previously caused subtle colour inconsistencies at panel edges -- resulted in measurable colour match improvements across the full panel surface.
★★★★★
"We went from three units fighting each other on pressure to one unit managing everything. Colour match across full panels improved noticeably." -- Coating Quality Engineer
Brazil -- Large Hospital Medical Air System
Quad Redundancy for Campus-Wide Instrument Air Distribution
A large Brazilian hospital upgrading its central instrument air system required a solution that could supply air to operating theatres, ICU units, diagnostic imaging, and dental suites from a single point while maintaining the highest level of availability. The EP-CMW15-0.8 was selected specifically for its four-head architecture, which allowed the hospital biomedical engineering team to document a formal N+3 redundancy arrangement in their compressed air system validation report. In the 26 months since installation, the unit has required three individual head maintenance events -- each conducted without air supply interruption as the other three heads maintained supply throughout.
★★★★★
"Documented N+3 redundancy in our system validation. Three maintenance events in 26 months -- none of them interrupted supply to any clinical area." -- Biomedical Engineering Manager
Frequently Asked Questions -- EP-CMW15-0.8
Can all four heads run simultaneously at full continuous output?
Yes. The EP-CMW15-0.8 is rated for continuous operation at its full 1660 L/min output with all four heads running simultaneously. The PLC uses a sequential start algorithm to prevent simultaneous inrush current across all four motors during startup events, and monitors temperature and pressure per head throughout continuous full-load operation.
How much air does the unit supply during single-head maintenance?
With three heads running, output is 1245 L/min -- the full rated capacity of the three-head EP-CMW11-0.8 model. With two heads running, output is 830 L/min. For most industrial applications, the facility can continue normal or partial operation at these output levels while scheduled maintenance is completed on the isolated head.
How is the four-way head rotation algorithm managed?
The PLC tracks cumulative running hours for each of the four heads independently and cycles them through lead, secondary, tertiary, and standby roles at intervals determined by the hour differential between heads. The current role of each head is shown on the touch-screen main status display, and the rotation history can be reviewed in the PLC event log. No manual programming of the rotation is required.
What floor space and installation requirements does this unit have?
The EP-CMW15-0.8 requires approximately 1450 x 900 mm of floor area plus maintenance clearance around the perimeter. It connects to a single electrical supply point and a single 1-inch compressed air outlet. No special foundations are required, but the 350 kg unit weight should be factored into floor loading calculations for installations on elevated mezzanine structures or upper-floor plant rooms.
Can this compressor be used for medical instrument air applications?
The structurally oil-free output, four-head redundancy, and individual head maintenance capability make the EP-CMW15-0.8 technically suitable for medical compressed air installations. For formal medical air system validation and pharmacopoeial compliance documentation, specific standards and local regulatory requirements vary by jurisdiction and application -- Ever Power's engineering team can assist with the system specification review during the application enquiry process.
Submit Your Enquiry -- EP-CMW15-0.8
The EP-CMW15-0.8 is the highest-capacity oil-free scroll compressor in the EP-CMW 0.8 MPa range -- the right choice for facilities that demand maximum oil-free air volume, maximum operational continuity, and intelligent demand-adaptive energy management in a single controlled system. Learn more about Ever Power's engineering expertise and manufacturing standards, or view all available models in the complete EP-CMW product range.
Factory tour
Related Products
-
CM/PV permanent magnet variable frequency oil-free screw air compressor
-
CM/PV permanent magnet variable frequency oil-free screw air compressor
-
CM/GPV medium pressure permanent magnet variable frequency oil-free screw air compressor
-
CM/G medium pressure industrial frequency oil-free screw air compressor