Permanent Magnet Screw Compressor
Permanent Magnet Screw Compressor: Direct-Drive Industrial Solutions
Engineered for continuous-duty manufacturing environments, our permanent magnet screw compressors combine variable-frequency drive (VFD) technology with high-efficiency permanent magnet synchronous motors (PMSM). Designed to eliminate transmission losses, these systems deliver stable pneumatic output while reducing industrial electricity consumption by 30% to 40%.
Energy Efficiency & TCO Payback
Variable-Speed Modulation
The VFD and permanent magnet motor dynamically adjust speed from 20% to 100% to match real-time plant air demand.
Rapid ROI
Facilities running two or three shifts achieve complete return on investment through electricity savings within 12 to 18 months.
Power Factor Optimization
Maintains a near-unity power factor (greater than 0.95), eliminating utility reactive power penalties.
Core Technical Specifications & Compliance
Representative specifications for standard industrial configurations. Custom voltage, frequency, and pressure ratings available upon request.
|
Technical Parameter |
Specification Range |
Test Standard / Method |
|
Power Output |
7.5 kW – 250 kW (10 HP – 340 HP) |
ISO 1217 Annex C |
|
Working Pressure |
0.7 MPa – 1.3 MPa (7 bar – 13 bar) |
Gauge Pressure |
|
Capacity (FAD) |
1.1 m3/min – 45.0 m3/min |
ISO 1217 Ed.4 2009 Annex E |
|
Motor Efficiency |
IE4 / IE5 equivalent synchronous design |
IEC 60034-30-2 |
|
Drive Configuration |
Direct-drive, 1:1 shaft-to-shaft coupling |
Mechanical Alignment Check |
|
Noise Level |
68 dB(A) – 82 dB(A) (at 1 meter) |
ISO 2151 |
Reliability & Maintenance Access
Pressure Band Stability
Maintains tight discharge pressure within plus-minus 0.1 bar, preventing over-pressurization and protecting downstream equipment.
Thermal Endurance
Built for harsh operating environments with ambient temperature ratings up to 45 degrees Celsius (50 degrees Celsius tropicalized options available).
Simplified Servicing
Enclosures feature removable service panels for quick access to air filters, oil filters, and separator elements without specialized lifting gear.
Quality Control & Factory Testing
Rotor Profile Verification
Coordinate-measuring machines (CMM) inspect screw rotor profile tolerances to within plus-minus 0.005 mm to minimize internal air slippage.
Magnet Thermal Stress Test
Neodymium-iron-boron (NdFeB) permanent magnets undergo thermal endurance testing up to 180 degrees Celsius to guarantee zero demagnetization under heavy industrial loads.
Full-Load Run Testing
Every compressor unit undergoes a 4-hour full-load test on an automated dynamometer bench, recording flow rate, vibration velocity, and electrical parameters per ISO 1217 standards.
OEM, Customization & Project Support
Private Labeling & Enclosures
Custom sheet metal fabrication finished in client-specified RAL color codes, branded HMI touchscreens, and integrated controller firmware.
Electrical Adaptation
Control panels engineered for regional power grids (e.g., 380V / 50Hz, 440V / 60Hz, 480V / 60Hz) utilizing UL/CSA compliant components.
Export Logistics
ISPM 15-compliant fumigated wooden crating, vacuum-sealed moisture barrier bagging, and complete documentation packages including P&ID schematics and ISO test certificates.
Intelligent Control & Smart Factory Integration
IoT & Remote Monitoring
Built-in Ethernet and RS485 communication ports support Modbus protocol for seamless integration into plant SCADA and centralized monitoring systems.
Fault Diagnostics
Advanced HMI controllers provide real-time tracking of operating hours, maintenance reminders, and automated warning logs for abnormal temperatures or pressures.
Multi-Unit Group Control
Smart staging algorithms automatically sequence multiple compressors to balance running hours and maintain optimal pressure headers across fluctuating facility shifts.
Environmental & Acoustic Performance
Acoustic Enclosure Design
Heavy-gauge steel panels lined with high-density flame-retardant sound-absorbing foam keep operating noise levels between 68 and 82 decibels.
Oil Carryover Control
Multi-stage centrifugal separation and high-grade coalescing filters ensure oil carryover rates remain below 3 parts per million (ppm) to protect downstream processes.
Low Vibration Footprint
Precision dynamic balancing of the air end rotor assembly and resilient rubber vibration isolators minimize mechanical resonance on standard factory flooring.
Spare Parts Availability & After-Sales Assurance
Consumable Interchangeability
Standardized internal components ensure long-term local availability of routine maintenance kits, air filters, and synthetic compressor lubricants.
Extended Component Warranty
Optional 5-year comprehensive warranty plans cover critical sub-assemblies including the air end casing and permanent magnet synchronous motor.
Global Technical Assistance
Dedicated engineering support available via video diagnostics and rapid-response documentation sharing for troubleshooting and maintenance guidance.
Frequently asked questions
Request a Quotation & Technical Proposal
Ready to upgrade your facility's compressed air efficiency? Submit your project parameters below to receive a formal quotation, technical data sheets, and customized sizing calculations within 24 hours.
Required Power Output / Air Flow (FAD):
Working Pressure & Voltage Requirements:
Application & Industry Type:
Project Timeline / Quantity:
With abundant experience, we are one of the most professional permanent magnet screw compressor manufacturers and suppliers in China. Please feel free to buy customized permanent magnet screw compressor made in China here from our factory. For quotation, contact us now.
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