DECHUAN produces high-quality Eco-Friendly RM Screw Air Compressor for customers. Equipped with digital controllers supporting Modbus RTU communication across 7.5 kW to 22 kW capacities, this series streams live temperature, operational pressure, and maintenance metrics to central plant networks, maintaining stable line output across variable production shifts. Get a quote!
DECHUAN is a professional Eco-Friendly RM Screw Air Compressor supplier. Featuring RS485 data connectivity, the equipment shares real-time operational parameters with plant SCADA systems, preventing unexpected downtime through automated service alerts and precise pressure adjustment.
Electricity represents 75% to 80% of an industrial air compressor's lifetime total cost. Here is how the Eco-Friendly RM Screw Air Compressor pays for itself:
• Operating Conditions: Running at 100% load, 16 hours/day, 300 days/year (4,800 hrs/year).
• Thermal Energy Recovered: ~16.5 kW continuous heat capacity recovered via water loop.
• Annual Thermal Energy Generated: 16.5 kW × 4,800 hrs = 79,200 kWh / year.
• Equivalent Natural Gas / Boiler Energy Saved: ~$8,000 – $12,000 USD / year (based on standard industrial energy tariffs).
• Estimated Payback Period on Heat Exchanger Investment: 6 to 10 months.
| Model |
Rated Power
kW
|
Max Pressure
barg
|
Air Delivery (FAD*)
m³/min-50Hz
|
Overall Dimension (L x W x H)
mm
|
Weight
kg
|
| i Standard Unit Performance | |||||
| RM7i_A | 7.5 | 7.5 | 1.22 | 716 x 677 x 1061 | 222 |
| 8.5 | 1.14 | ||||
| 10 | 1.00 | ||||
| 12.5 | 0.81 | ||||
| RM11i_A | 11 | 7.5 | 1.69 | 225 | |
| 8.5 | 1.58 | ||||
| 10 | 1.41 | ||||
| 12.5 | 1.23 | ||||
| RM15i_A | 15 | 7.5 | 2.50 | 984 x 1017 x 1065 | 465 |
| 8.5 | 2.40 | ||||
| 10 | 2.07 | ||||
| 12.5 | 1.70 | ||||
| RM18i_A | 18.5 | 7.5 | 3.10 | 993 x 1020 x 1118 | 509 |
| 8.5 | 3.00 | ||||
| 10 | 2.61 | ||||
| 12.5 | 2.15 | ||||
| RM22i_A | 22 | 7.5 | 3.70 | 524 | |
| 8.5 | 3.41 | ||||
| 10 | 3.08 | ||||
| 12.5 | 2.72 | ||||
| Model |
Rated Power
kW
|
Max Pressure
barg
|
Air Delivery (FAD*)
m³/min
|
Overall Dimension (L x W x H)
mm
|
Weight
kg
|
| n Standard Unit Performance | |||||
| RM7n_A | 7.5 | 12.5 | 1.18 | 840 x 680 x 810 | 169 |
| RM11n_A | 11 | 12.5 | 1.65 | 182 | |
| 1. Air Delivery (FAD*) (volumetric flow) is the operating parameter of the complete unit, tested in accordance with Appendix C of ISO1217:2009. | |||||
Fixed-speed air compressors waste electrical energy during unload periods by running the Eco-Friendly RM Screw Air Compressor motor at full speed without outputting air. The IE5 permanent magnet VSD motor adjusts motor RPM dynamically to match real-time air demand.
| Feature | IE3 Fixed Speed | IE5 ECO-PM VSD |
|---|---|---|
| Protection Rating | IP55 | IP66 (Oil-Cooled) |
| Insulation Class | Class F | Class H |
| Speed Regulation | Single Speed | Stepless (40%–100%) |
| Pressure Variance | Wide Fluctuation | Stable (±0.1 bar) |
The IP66 oil-cooled permanent magnet motor features Class H insulation rated for 180°C operation, preventing thermal demagnetization while holding system line pressure within ±0.1 bar.
Global Electrical Compatibility: Factory-built to match regional power supply:
• 380V / 50Hz / 3P (Standard Asia/Europe/Africa)
• 415V / 50Hz / 3P (UK / Australia / Malaysia)
• 220V / 440V / 460V / 60Hz / 3P (Americas / Philippines)
Certifications & Clearance: Full CE compliance, ISO 9001:2015 quality management certification, and ISO 1217 Annex C test verification.
Export-Grade Packaging: Heavy-duty ISPM-15 compliant, non-fumigation plywood cases with internal moisture-barrier wrapping.
Professional exporter covering full-range air compressors, including Atlas Copco, Ingersoll Rand, VSD variable-frequency, oil-free, low-pressure, centrifugal and mobile models. Supports complete equipment, spare parts sales and system matching for diverse industrial needs.
Provides full aerodynamic system services including overall design, installation, commissioning, energy-saving renovation, waste heat recovery retrofit and energy-saving pipeline installation. Customizes professional solutions to reduce customers’ long-term operating costs.
Offers full import and export agency services: procurement, customs declaration, inspection and logistics arrangement. Optimized supply chain ensures competitive prices, stable quality and on-time delivery, supporting customized trade schemes and global market expansion.
Implements rigorous quality management system. All equipment adopts 100% original factory parts with no refurbished accessories. Reliable product performance and standardized inspection process win wide recognition in the global market.
Serves dozens of industries including steel, chemical, automotive, medical, electronics, new energy, food & beverage and packaging. With long-term project experience, we accurately match different production scenarios and process requirements.
10-minute inquiry reply, 24-hour quotation, 7×24h online technical support and factory visit arrangement. Fast stock shipment, OEM/ODM customization and strict pre-shipment testing. 24-hour online after-sales consultation, 30-minute remote troubleshooting and regular equipment inspection.
Yes. The controller features a standard RS485 interface with Modbus RTU protocols, connecting directly to standard PLC and SCADA networks.
Eco-Friendly RM Screw Air Compressor monitors discharge air pressure, oil temperature, motor current draw, total operating hours, load/unload status, and filter maintenance countdowns.
The IE5 permanent magnet VSD motor adjusts motor speed between 40% and 100% capacity. When air demand decreases, the controller lowers motor RPM, eliminating unload power waste while holding header pressure within ±0.1 bar.
Elevated oil carryover usually indicates a clogged air-oil separator element or fluid breakdown from running at high temperatures. Replacing the separator element restores fluid separation below 3–5 ppm.
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