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KOTECH KOE+ Series | High-Efficiency PM VFD Screw Air Compressor – Up to 96% Heat Recovery

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The KOE+ Plus series integrates IE4/IE5 permanent magnet motors with ultra-efficient 1:1 direct drive technology. Designed for Industry 4.0, it reduces electricity costs by 40% and offers an industry-leading 96% heat recovery rate for sustainable manufacturing.

Receive a detailed energy-saving audit and technical proposal within 24 hours based on your specific pressure and airflow requirements.

Our Core Advantages
24/7 Technical Support
24-Hour Response Quote
GlobalCE & ISO Quality Certified
Global Logistics Coverage
Worldwide After-Sales Service
Multi-language Documentation
Performance & Efficiency Metrics

Engineered for Maximum ROI

High-performance technical specifications that define the KOE+ Plus series as the gold standard for industrial energy efficiency.

7.5-13 bar
Working pressure range
1.2-102 m³/min
Air delivery capacity
7.5-560 kW
Power coverage range
Up to 96%
Waste heat recovery rate
IE4 / IE5
Motor efficiency class
24/7
IoT remote monitoring
PM VFD
Advanced energy-saving drive technology
Smart PLC
Intelligent automatic control system
Technical Edge & Economic Value

Why KOE+ Series Redefines Industrial Efficiency

Built for high-demand industrial environments, the KOE+ series combines PM VFD technology with smart thermal management to ensure the lowest Total Cost of Ownership (TCO).

IE4/IE5 Ultra-high efficiency Permanent Magnet motor
Integrated 96% waste heat recovery system
1:1 Direct Drive for zero transmission power loss
IoT-driven 3D visualization and remote management

Challenges in Modern Compressed Air Management

  • Rising energy costs cutting into manufacturing margins
  • Frequent downtime due to poor thermal management
  • Lack of real-time data for predictive maintenance

How KOE+ Engineering Solves These Challenges

  • Saves up to 40% on electricity via PM VFD adjustment
  • Independent cooling cabinet prevents high-temp trips
  • 3D Digital Twin platform for 24/7 smart monitoring
Versatile Industrial Integration

Engineered for Diverse High-Load Industries

The KOE+ series is the preferred choice for facilities where energy stability and smart control are mission-critical.

Large-scale automotive manufacturing plantsPrecision electronics and semi-conductor linesContinuous chemical and textile productionFood and beverage packaging facilities
Product Keywords
PM VFD screw air compressor energy saving air compressor industrial permanent magnet compressor IE4 efficiency compressor high efficiency rotary screw compressor smart air compressor system
Technical Specifications

KOE+ Plus Series Performance Data

Compare models to find the perfect balance of airflow (m³/min) and pressure (bar) for your facility. All units are tested to ISO 1217 standards.

KOE+ Plus Series Performance Data
ModelAir delivery(m³/min)Working Pressure(Bar)BSPTSize(mm)Noise-d(BA)Weight(kg)
KOE-7.5+1.557.5/8.5G3/4”1040690119061161
KOE-7.5+1.0510/12.5G3/4”1040690119061161
KOE-7.5+0.8513/15.5G3/4”1040690119061161
KOE-7.5VSD+0.34-1.657.5/8.5G3/4”1040690119061165
KOE-7.5VSD+0.3-1.0510/12.5G3/4”1040690119061165
KOE-7.5VSD+0.24-0.8513/15.5G3/4”1040690119061165
KOE-11+1.97.5/8.5G1”1040690119061223
KOE-11+1.610/12.5G1”1040690119061223
KOE-11+1.413/15.5G1”1040690119061223
KOE-11VSD+0.48-2.17.5/8.5G1”1040690119061232
KOE-11VSD+0.41-1.610/12.5G1”1040690119061232
KOE-11VSD+0.35-1.413/15.5G1”1040690119061232
KOE-15+2.857.5/8.5G1”1350850170063265
KOE-15+2.210/12.5G1”1350850170063265
KOE-15+1.8313/15.5G1”1350850170063265
KOE-15VSD+0.72-3.057.5/8.5G1”1350850170061274
KOE-15VSD+0.66-2.4210/12.5G1”1350850170061274
KOE-15VSD+0.54-1.8313/15.5G1”1350850170061274
KOE-18+3.67.5/8.5G1-1/4”1350850170063445
KOE-18+2.810/12.5G1-1/4”1350850170063445
KOE-18+2.413/15.5G1-1/4”1350850170063445
KOE-18VSD+0.95-3.767.5/8.5G1-1/4”1350850170063458
KOE-18VSD+0.8-3.3310/12.5G1-1/4”1350850170063458
KOE-18VSD+0.64-2.4713/15.5G1-1/4”1350850170063458
KOE-22+3.967.5/8.5G1-1/4”1350850170063538
KOE-22+3.210/12.5G1-1/4”1350850170063538
KOE-22+2.6313/15.5G1-1/4”1350850170063538
KOE-22VSD+0.89-4.657.5/8.5G1-1/4”1350850170063559
KOE-22VSD+0.8-3.7510/12.5G1-1/4”1350850170063559
KOE-22VSD+0.68-3.113/15.5G1-1/4”1350850170063559
KOE-30+67.5/8.5G1-1/4”1630890139063636
KOE-30+4.5810/12.5G1-1/4”1630890139063636
KOE-30+3.8213/15.5G1-1/4”1630890139063636
KOE-30VSD+1.35-6.37.5/8.5G1-1/4”1630890139063643
KOE-30VSD+1.05-5.210/12.5G1-1/4”1630890139063643
KOE-30VSD+0.92-4.1613/15.5G1-1/4”1630890139063643
KOE-37+7.457.5/8.5G1-1/4”1630890139067740
KOE-37+5.6310/12.5G1-1/4”1630890139067740
KOE-37+4.4613/15.5G1-1/4”1630890139067740
KOE-37VSD+1.64-7.67.5/8.5G1-1/4”1630890139067761
KOE-37VSD+1.44-6.5410/12.5G1-1/4”1630890139067761
KOE-37VSD+1.23-5.5813/15.5G1-1/4”1630890139067761
KOE-45+9.57.5/8.5G1-1/4”19001040169567842
KOE-45+7.0410/12.5G1-1/4”19001040169567842
KOE-45+5.6213/15.5G1-1/4”19001040169567842
KOE-45VSD+1.91-10.57.5/8.5G1-1/4”19001040169567867
KOE-45VSD+1.65-7.4910/12.5G1-1/4”19001040169567867
KOE-45VSD+1.31-6.3313/15.5G1-1/4”19001040169567867
KOE-55+11.67.5/8.5G2”190010401695721475
KOE-55+9.210/12.5G2”190010401695721475
KOE-55+6.9213/15.5G2”190010401695721475
KOE-55VSD+2.45-12.37.5/8.5G2”190010401695721512
KOE-55VSD+2.04-9.2710/12.5G2”190010401695721512
KOE-55VSD+1.61-7.5313/15.5G2”190010401695721512
KOE-75+14.97.5/8.5G2”220014001850751482
KOE-75+11.8310/12.5G2”220014001850751482
KOE-75+8.213/15.5G2”220014001850751482
KOE-75VSD+2.72-15.77.5/8.5G2”220014001850751546
KOE-75VSD+2.4-11.9310/12.5G2”220014001850751546
KOE-75VSD+2.01-9.1613/15.5G2”220014001850751546
KOE-90+19.87.5/8.5G2”278016701850751587
KOE-90+15.6510/12.5G2”278016701850751587
KOE-90+11.6313/15.5G2”278016701850751587
KOE-90VSD+4.06-20.17.5/8.5G2”278016701850751675
KOE-90VSD+3.48-17.7310/12.5G2”278016701850751675
KOE-90VSD+2.63-11.9813/15.5G2”278016701850751675
KOE-110+23.147.5/8.5DN100278016701850782257
KOE-110+16.7510/12.5DN100278016701850782257
KOE-110+13.2313/15.5DN100278016701850782257
KOE-110VSD+4.74-24.567.5/8.5DN100278016701850782368
KOE-110VSD+4.08-18.5610/12.5DN100278016701850782368
KOE-110VSD+3.36-15.2713/15.5DN100278016701850782368
KOE-132+267.5/8.5DN100278016701850752545
KOE-132+22.5710/12.5DN100278016701850752545
KOE-132+16.6513/15.5DN100278016701850752545
KOE-132VSD+5.18-27.17.5/8.5DN100278016701850752718
KOE-132VSD+4.46-22.910/12.5DN100278016701850752718
KOE-132VSD+3.55-17.6513/15.5DN100278016701850752718
KOE-160+32.727.5/8.5DN100278016701850783228
KOE-160+28.9610/12.5DN100278016701850783228
KOE-160+20.0113/15.5DN100278016701850783228
KOE-160VSD+7.31-33.257.5/8.5DN100278016701850783463
KOE-160VSD+6.35-28.8610/12.5DN100278016701850783463
KOE-160VSD+5.40-24.513/15.5DN100278016701850783463
KOE-200+427.5/8.5DN125460021002270854582
KOE-200+35.3210/12.5DN125460021002270854582
KOE-200+24.6513/15.5DN125460021002270854582
KOE-200VSD+8.32-427.5/8.5DN125460021002270854734
KOE-200VSD+7.18-35.6510/12.5DN125460021002270854734
KOE-200VSD+6.07-27.6013/15.5DN125460021002270854734
KOE-250+50.57.5/8.5DN125460021002270855340
KOE-250+43.510/12.5DN125460021002270855340
KOE-250+30.1413/15.5DN125460021002270855340
KOE-250VSD+9.55-567.5/8.5DN125460021002270857768
KOE-250VSD+8.36-4510/12.5DN125460021002270857768
KOE-250VSD+7.04-32.0213/15.5DN125460021002270857768
KOE-315+657.5/8.5DN125480023002400857768
KOE-315+5710/12.5DN125480023002400857768
KOE-315+37.2413/15.5DN125480023002400857768
KOE-315VSD+13.19-667.5/8.5DN125480023002400857936
KOE-315VSD+11.27-57.2410/12.5DN125480023002400857936
KOE-315VSD+9.96-45.2813/15.5DN125480023002400857936
KOE-22II+5.737.5/8.5G1-1/4"1350850170063588
KOE-22II+4.1910/12.5G1-1/4"1350850170063588
KOE-22II+3.3713/15.5G1-1/4"1350850170063588
KOE-22IIVSD+1.81-6.057.5/8.5G1-1/4"1350850170063619
KOE-22IIVSD+1.28-4.2610/12.5G1-1/4"1350850170063619
KOE-22IIVSD+1.14-3.6913/15.5G1-1/4"1350850170063619
KOE-30II+7.677.5/8.5G1-1/2"1630890103963854
KOE-30II+5.5710/12.5G1-1/2"1630890103963854
KOE-30II+4.1213/15.5G1-1/2"1630890103963854
KOE-30IIVSD+2.31-7.717.5/8.5G1-1/2"1630890103963882
KOE-30IIVSD+1.83-6.1210/12.5G1-1/2"1630890103963882
KOE-30IIVSD+0.35-1.413/15.5G1-1/2"1630890103963882
KOE-37II+9.317.5/8.5G1-1/2"19001040169567950
KOE-37II+7.4610/12.5G1-1/2"19001040169567950
KOE-37II+5.4913/15.5G1-1/2"19001040169567950
KOE-37IIVSD+2.84-9.477.5/8.5G1-1/2"19001040169567983
KOE-37IIVSD+2.27-7.5810/12.5G1-1/2"19001040169567983
KOE-37IIVSD+1.81-6.0413/15.5G1-1/2"19001040169567983
KOE-45II+11.987.5/8.5G2"220014001850671180
KOE-45II+9.1510/12.5G2"220014001850671180
KOE-45II+7.3513/15.5G2"220014001850671180
KOE-45IIVSD+3.64-12.167.5/8.5G2"220014001850671230
KOE-45IIVSD+2.79-9.3010/12.5G2"220014001850671230
KOE-45IIVSD+2.20-7.4713/15.5G2"220014001850671230
KOE-55II+15.867.5/8.5G2"220014001850721775
KOE-55II+11.6610/12.5G2"220014001850721775
KOE-55II+9.0113/15.5G2"220014001850721775
KOE-55IIVSD+4.79-15.97.5/8.5G2"220014001850721812
KOE-55IIVSD+3.7-12.410/12.5G2"220014001850721812
KOE-55IIVSD+3.09-10.313/15.5G2"220014001850721812
KOE-75II+18.147.5/8.5DN100278016701850752560
KOE-75II+15.210/12.5DN100278016701850752560
KOE-75II+11.4813/15.5DN100278016701850752560
KOE-75IIVSD+5.53-18.447.5/8.5DN100278016701850752670
KOE-75IIVSD+4.64-15.4510/12.5DN100278016701850752670
KOE-75IIVSD+3.64-12.1313/15.5DN100278016701850752670
KOE-90II+21.827.5/8.5DN100278016701850783360
KOE-90II+18.9710/12.5DN100278016701850783360
KOE-90II+14.9713/15.5DN100278016701850783360
KOE-90IIVSD+6.57-22.37.5/8.5DN100278016701850783450
KOE-90IIVSD+5.76-19.310/12.5DN100278016701850783450
KOE-90IIVSD+4.66-15.5313/15.5DN100278016701850783450
KOE-110II+25.67.5/8.5DN100278016701850783765
KOE-110II+21.1910/12.5DN100278016701850783765
KOE-110II+18.6913/15.5DN100278016701850783765
KOE-110IIVSD+8.11-27.037.5/8.5DN100278016701850783892
KOE-110IIVSD+6.46-21.5510/12.5DN100278016701850783892
KOE-110IIVSD+5.92-19.7313/15.5DN100278016701850783892
KOE-132II+31.647.5/8.5DN100278016701850783950
KOE-132II+25.9410/12.5DN100278016701850783950
KOE-132II+20.8713/15.5DN100278016701850783950
KOE-132IIVSD+10.12-33.757.5/8.5DN100278016701850784182
KOE-132IIVSD+7.91-26.3810/12.5DN100278016701850784182
KOE-132IIVSD+6.51-21.6813/15.5DN100278016701850784182
KOE-160II+36.47.5/8.5DN125460021002270785546
KOE-160II+30.8610/12.5DN125460021002270785546
KOE-160II+25.5613/15.5DN125460021002270785546
KOE-160IIVSD+11.54-38.477.5/8.5DN125460021002270785683
KOE-160IIVSD+9.71-31.3810/12.5DN125460021002270785683
KOE-160IIVSD+7.78-25.9913/15.5DN125460021002270785683
KOE-185II+40.47.5/8.5DN125460021002270856275
KOE-185II+31.8510/12.5DN125460021002270856275
KOE-185II+26.7113/15.5DN125460021002270856275
KOE-185IIVSD+12.75-42.527.5/8.5DN125460021002270856482
KOE-185IIVSD+9.80-32.6710/12.5DN125460021002270856482
KOE-185IIVSD+8.35-27.8213/15.5DN125460021002270856482
KOE-200II+45.37.5/8.5DN125480023002270856800
KOE-200II+35.2210/12.5DN125480023002270856800
KOE-200II+30.413/15.5DN125480023002270856800
KOE-200IIVSD+13.79-45.977.5/8.5DN125480023002270857120
KOE-200IIVSD+10.76-35.8710/12.5DN125480023002270857120
KOE-200IIVSD+9.29-30.9613/15.5DN125480023002270857120
KOE-220II+50.87.5/8.5DN125480023002270857540
KOE-220II+39.5410/12.5DN125480023002270857540
KOE-220II+33.4713/15.5DN125480023002270857540
KOE-220IIVSD+15.52-51.757.5/8.5DN125480023002270857650
KOE-220IIVSD+12.05-40.1810/12.5DN125480023002270857650
KOE-220IIVSD+10.33-34.4613/15.5DN125480023002270857650
KOE-250II+55.157.5/8.5DN125480023002420858400
KOE-250II+44.6210/12.5DN125480023002420858400
KOE-250II+38.9513/15.5DN125480023002420858400
KOE-250IIVSD+17.16-57.197.5/8.5DN125480023002420858600
KOE-250IIVSD+13.61-45.3710/12.5DN125480023002420858600
KOE-250IIVSD+11.88-39.6113/15.5DN125480023002420858600
KOE-280II+61.917.5/8.5DN125480023002420859560
KOE-280II+49.810/12.5DN125480023002420859560
KOE-280II+44.4213/15.5DN125480023002420859560
KOE-280IIVSD+19.55-65.187.5/8.5DN125480023002420859730
KOE-280IIVSD+15.42-51.5310/12.5DN125480023002420859730
KOE-280IIVSD+13.55-45.1713/15.5DN125480023002420859730
KOE-315II+67.077.5/8.5DN1254800230024208511500
KOE-315II+54.0210/12.5DN1254800230024208511500
KOE-315II+49.0513/15.5DN1254800230024208511500
KOE-315IIVSD+20.7-69.017.5/8.5DN1254800230024208511650
KOE-315IIVSD+17.17-57.2510/12.5DN1254800230024208511650
KOE-315IIVSD+14.96-49.8813/15.5DN1254800230024208511650
Description
  • High Efficiency and Energy Saving: Siemens motors adopt advanced technology and design, featuring high efficiency and low energy consumption characteristics. In air compressor applications, their efficient design maximizes the conversion of electrical energy into mechanical energy, enhancing compression efficiency and reducing energy costs.

  • Reliability and Durability: Siemens motors are well known for excellent quality and reliability, capable of enduring long periods of high-load operation.

    In air compressor applications, motor reliability is crucial for maintaining stable operation and providing continuous, reliable air pressure output.

  • Precise Control: Equipped with advanced control systems, Siemens motors enable accurate operation control of air compressors.

    Intelligent adjustment of motor output speed and load matching allows for constant voltage, variable voltage, frequency conversion, and other operational modes based on demand, offering flexible application adaptability.

  • Low Noise and Vibration: Siemens motors integrate advanced vibration and noise reduction technologies, minimizing mechanical vibration and noise.

    This feature contributes to a quieter and more comfortable working environment in air compressor applications, reducing noise-related impacts on employees and workplaces.

  • Remote Monitoring and Maintenance: Siemens motors are equipped with modern remote monitoring and maintenance capabilities. Through internet or network connectivity, real-time monitoring of motor operating status, performance, and fault information is possible.

    This facilitates predictive maintenance and remote troubleshooting, enhancing equipment availability and maintenance efficiency.

    Why Choose Heat Recovery?

    Air compressor heat recovery technology enhances energy efficiency, saves costs, protects the environment, enhances corporate image, and provides flexible heat energy utilization. These advantages underscore the significant importance and application value of air compressor heat recovery in enterprise energy management and sustainable development.

    Feasibility Considerations of Kotech KOE+ Series Air Compressor Heat Recovery
    Technology:

    1. High temperature waste heat generation:
    Air compressors produce significant heat energy during operation, typically lost in the form of cooling or water. If the waste heat generated by the air compressor is at a higher temperature, heat recovery technology becomes more feasible.

    2. Demand for waste heat utilization:
    Enterprises or factories must have a demand for using waste heat to consider the feasibility of heat recovery technology.
    For example, waste heat can be used in various industrial processes or heating applications.

    3. Cost of waste heat recovery system:
    Implementing a waste heat recovery system requires investment in equipment procurement, installation, commissioning, and maintenance. Therefore, the ability of the waste heat recovery system to recover its investment costs within a reasonable time frame is crucial in assessing the feasibility of heat recovery technology.

    4. Regulations and environmental requirements:
    Some regions have strict regulations and environmental standards concerning energy efficiency and waste heat emissions. In this context, adopting waste heat recovery technology can help enterprises meet regulatory standards and environmental requirements, enhancing the environmental image of enterprises and their capabilities for sustainable development.

Frequently Asked Questions

The KOE+ Plus series features an upgraded Permanent Magnet (PM) motor and a more advanced VFD system. It offers higher energy efficiency (especially at partial loads), superior protection levels for harsh environments, and a more integrated design for a smaller footprint.

Traditional compressors lose efficiency when not at full load. The KOE+ PM VFD adjusts the motor speed precisely to match your air demand, eliminating idling power consumption and providing up to 40% energy savings compared to fixed-speed units.

Yes. The KOE+ is engineered with enhanced enclosure protection (up to IP65) and a separate electrical cabinet cooling system. This ensures sensitive electronics remain isolated from contaminants and heat, significantly increasing uptime.

We offer the heat recovery system as an integrated option for the KOE+ series. This allows you to convert waste heat directly into hot water for industrial processes or heating, essentially turning your compressor into a secondary energy source.

Very user-friendly. The KOE+ comes with a high-resolution color touch-screen and 3D visualization. Staff can see the real-time status via intuitive graphics, while your engineers can monitor deep-level data remotely via our IoT platform.

We use a refined internal layout where all service components—filters, separators, and oil levels—are accessible from the front. This "maintenance-friendly" design reduces service time and labor costs by nearly 50%.

While the initial investment is higher than standard models, the energy savings and reduced maintenance typically result in a full Return on Investment (ROI) within 10 to 15 months, depending on your local electricity rates and usage.

KOTECH KOE+ Series | High-Efficiency PM VFD Screw Air Compressor – Up to 96% Heat Recovery
Contact for Price