EP-CM242GPV Water-Lubricated Oil-Free VSD Screw Air Compressor for PET Bottle Blowing
The EP-CM242GPV is a 242 kW asymmetric dual-motor permanent magnet VSD water-lubricated oil-free compressor delivering 9.6–24.0 m³/min at up to 4.0 MPa (40 bar) — a flagship configuration for ultra-high-volume PET bottle blowing plants running the largest rotary lines or multiple simultaneous production lines demanding Class 0 oil-free air with variable-speed energy control.
EP-CM242GPV | 242 kW Flagship VSD Water-Lubricated Compressor — 9.6–24.0 m³/min at 40 Bar
When a PET bottle blowing plant reaches the scale where a single rotary line runs 28 or more cavities simultaneously, or where three production lines operate in parallel across different bottle formats and pressure requirements, the compressed air demand it generates is among the most intensive in industrial manufacturing. At this scale, the compressor is not a peripheral utility — it is a core production asset, and its performance characteristics directly determine the plant's throughput ceiling, quality floor, and energy cost structure.
The EP-CM242GPV is engineered for exactly this operating context. With a peak output of 24.0 m³/min (847 cfm) of ISO 8573-1 Class 0 certified oil-free compressed air at pressures up to 4.0 MPa (40 bar), it is the highest-output dual-motor configuration in the CMG water-lubricated series — and the first choice for large PET blowing plants seeking to consolidate high-volume compressed air production into a single, intelligently controlled unit. The asymmetric 110+132 kW permanent magnet VSD motor pair creates three distinct operating stages that track the demand profile of large multi-line or large-format single-line operations with greater precision than symmetric dual-motor designs, delivering energy savings of up to 35% versus fixed-speed alternatives at equivalent output.
The water lubrication system that defines the CMG series — isothermal compression at ambient +15°C, single-stage compression to 40 bar, zero oil in the compression circuit, structurally guaranteed Class 0 air quality — operates identically at 242 kW as it does at the entry-level models. Scale changes the power class; it does not change the fundamental thermodynamic and air quality advantages that water lubrication provides. For large facilities evaluating multi-unit compressor station design, Ever Power's engineering team provides complete station design, AI-optimised operation planning, and SCADA integration support.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | EP-CM242GPV |
| Drive Type | Asymmetric dual permanent magnet VSD |
| Motor Configuration | 110 kW (150 HP) + 132 kW (180 HP) = 242 kW total |
| Working Pressure | 2.0 – 4.0 MPa (290 – 580 psi / up to 40 bar) |
| Free Air Delivery (FAD) | 9.6 – 24.0 m³/min | 339 – 847 cfm (variable) |
| Noise Level | 75 dB(A) |
| Weight | 3950 kg |
| Dimensions (L×W×H) | 2760 × 2250 × 1670 mm |
| Motor Efficiency | Up to 97% (permanent magnet) |
| Energy Saving vs Fixed Speed | Up to 35% |
| Lubrication Medium | Pure water — zero oil |
| Compression Chamber Temp. | Ambient + 15°C |
| Air Quality | ISO 8573-1 Class 0 / TUV Germany certified |
| Control Interface | 10-inch touch screen + IoT + 485 SCADA interface |
| Design Service Life | >25 years / 7×24 h continuous |
Three-Stage Operating Architecture at 242 kW
| Stage | Active Motor(s) | Approx. FAD | Typical Production Scenario |
|---|---|---|---|
| Low demand | 110 kW (VSD) | 9.6–13 m³/min | Single line at reduced speed, format changeovers |
| Medium-high demand | 132 kW (VSD) | 13–18 m³/min | Large single line at high speed, dual lines at moderate |
| Peak demand | 110 kW + 132 kW (both VSD) | 18–24 m³/min | 28-32 cavity single line or three simultaneous lines |
Ultra-High-Volume Production Capacity Reference
| Production Configuration | Cavities / Lines | Est. Air Demand | Pressure | EP-CM242GPV Stage |
|---|---|---|---|---|
| Single ultra-large rotary (water) | 28–32 cavities | 18–23 m³/min | 33–35 bar | Peak (both motors) |
| Three mid rotary lines | 3 × 12 cavities | 18–22 m³/min | 35–40 bar | Peak |
| Two large rotary lines | 2 × 16–20 cavities | 14–20 m³/min | 35–40 bar | Medium-high to peak |
| Multi-line mixed format facility | 4–6 lines | 10–20 m³/min (variable) | 28–40 bar | All three stages |
First-Class Energy Efficiency Station Integration
For large PET facilities operating multiple EP-CM242GPV units or mixed CMG series configurations, Ever Power offers a first-class energy efficiency station design service. The system uses AI algorithms and edge computing to back-test actual factory air consumption patterns, then generates and continuously updates the optimal operation plan for each compressor unit in the station. Functions include automatic machine addition and subtraction based on demand, equipment rotation to balance runtime hours across units, failover to standby machines for fault resilience, and comprehensive IoT monitoring with digital station building capabilities.
Key Technical Features
24.0 m³/min — Highest Dual-Motor CMG Output
At 24.0 m³/min (847 cfm) peak FAD, the EP-CM242GPV delivers the highest output of any dual-motor CMG series configuration. This throughput capability allows large blowing plants to consolidate compressed air supply from multiple smaller units into a single intelligently controlled machine, reducing maintenance complexity, floor space requirements, and the number of separate control systems to manage.
Stainless Steel Air End — 25+ Year Life at 242 kW
The fully stainless steel single-screw air end operates at approximately 3,000 rpm — structurally well within its design envelope at 242 kW input. The balanced force geometry cancels radial loads across symmetrical star wheels, preventing the bearing fatigue that limits service life in high-speed twin-screw alternatives. Aviation-grade star wheel materials and the patented no-shaft-seal design complete a system designed for multi-decade continuous operation.
Schneider Electric PLC + 10-Inch Touch Screen
The industrial-grade Schneider Electric control system governs both 110 kW and 132 kW motor VSD drives simultaneously, maintaining system pressure within ±0.1 MPa across all three operating stages. The 10-inch touch screen displays both motors' speeds, pressures, temperatures, run-hour counters, and fault history. The 485 interface connects to facility SCADA for centralized plant monitoring.
TUV Germany Class 0 — Structural Guarantee
ISO 8573-1 Class 0 certification verified by Germany TUV covers oil content (0 ppm), particulates, and moisture. At 24.0 m³/min output, maintaining Class 0 across the full FAD range is critical for large blowing plants where contamination in a single compressor affects multiple production lines simultaneously. The water lubrication system guarantees this purity structurally — independent of filter condition or maintenance compliance.
Manufacturing Quality
The EP-CM242GPV undergoes the most comprehensive pre-shipment testing protocol in the CMG series, reflecting its role as the highest-output dual-motor model. Testing includes sustained full-load operation at all three motor-stage combinations across the complete 2.0–4.0 MPa pressure range, VSD demand-tracking response testing from minimum to maximum FAD, IoT communication commissioning and SCADA integration verification, and full acoustic and vibration measurement at rated load. Germany TUV ISO 8573-1 Class 0 documentation is provided with every unit from Ever Power's ISO 9001 and ISO 14001 certified facility. For multi-unit station design and AI-optimised operation planning, visit our company page for engineering contact details.
Customer Case Studies
Egypt — National Bottled Water Group
Industry: Bottled Water | Application: 35 bar VSD air for single 32-cavity rotary blowing line producing 70,000 bottles/hour
"Our 32-cavity rotary line is the largest in our market and required 22 m³/min at 35 bar — a specification that eliminated most competitor compressors from consideration. The EP-CM242GPV was the only single-unit water-lubricated compressor that met both the flow and pressure requirements. Since installation, line uptime has exceeded 99.8% and the isothermal compression technology keeps our downstream desiccant dryer load 40% lower than with our previous piston-based system — a significant operating cost reduction."
★★★★★
Italy — Premium Beverage Multi-Line Facility
Industry: Premium Beverages | Application: 38–40 bar oil-free air for three simultaneous rotary blowing lines across mineral water, CSD, and juice categories
"Three rotary blowing lines running simultaneously at 40 bar created a peak demand of 21 m³/min — beyond what any of our previous compressor units could supply individually. The EP-CM242GPV consolidated our three separate compressor installations into one. The asymmetric motor staging means that during the two-hour window when only one line is running — our daily sanitisation window for the other two — the compressor drops to the 110 kW stage automatically, cutting electricity consumption by 55% during that period."
★★★★★
Malaysia — Integrated Contract PET Blow Molding Park
Industry: Contract Packaging | Application: 28–40 bar VSD air for six client production lines across pharmaceutical, food, and beverage categories
"Our contract blowing park operates six lines for different clients across three pressure specifications. The EP-CM242GPV's full 2.0–4.0 MPa range covers every client requirement from a single machine. The IoT monitoring system has transformed our operations — we can see exactly which lines are drawing how much air in real time, identify inefficiencies in client line setups, and document compressed air consumption for billing purposes. The Class 0 TUV documentation also satisfies every client quality audit without exception."
★★★★★
Frequently Asked Questions
24 m³/min. 40 Bar. Zero Oil. One Machine.
Ultra-large rotary lines, three-line simultaneous operations, and multi-format contract blowing parks in Egypt, Italy, Malaysia, and 50+ markets trust the EP-CM242GPV as the backbone of their high-pressure compressed air infrastructure. Share your line configurations, cavity counts, and peak demand figures — our engineering team will confirm system fit, design the optimal compressor station layout, and deliver a complete technical and commercial proposal within 48 hours.
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