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CORMAK LUFT 700 VSD+PM COMPACT/ 500l tank

CORMAK LUFT 700 VSD+PM Compact Screw Compressor with Dryer – Compact Set for Demanding Applications – ENERGY SAVER

SET INCLUDES:

- LUFT 700 VSD+PM COMPACT SCREW COMPRESSOR with integrated dryer
- 500 L horizontal compressed air receiver tank

Key features distinguishing these models:
1. Permanent Magnet Motor Technology (PM)

Most compressors from the Energy Saver series utilize Permanent Magnet motors. Unlike standard induction motors:

- They achieve efficiency levels compliant with IE4 or even IE5 standards
- They maintain high efficiency even at very low RPMs (standard motors lose efficiency outside their nominal range)
- They are smaller, lighter, and generate less heat

2. Advanced Variable Speed Drive (VSD) Control

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At the heart of the Energy Saver line is the frequency inverter (VSD).

- Demand-based adjustment: The compressor does not operate in an "all or nothing" (load/unload) system. If your machine only requires 30% output, the compressor will reduce speed, consuming proportionately less energy.
- Idle running eliminated: Classic compressors often run for several minutes after the tank is filled, consuming around 25–30% of nominal power without producing air. Energy Saver models virtually eliminate this wasteful process.

3. Soft Start

Thanks to the inverter, these devices start smoothly from 0 Hz. This means there are no sudden current peaks at startup, which:

- Protects your facility’s electrical installation
- Allows for more frequent starts and stops without risking winding overheating

4. Real Savings

In practice, the Energy Saver series allows you to cut electricity costs by 30% to 50% compared to traditional fixed-speed compressors. Additionally, the system maintains very stable line pressure (accuracy of up to 0.1 bar), essential for precision tools such as laser cutters. Extended service life: The absence of sudden pressure and temperature spikes prolongs the screw stage’s lifespan.

Technical Specifications
Motor power: 5.5 kW / 7.5 HP
Voltage: 400V/50Hz
Free air delivery 0-6 bar: approx. 690 L/min
Free air delivery at 6 bar: 690 L/min
Free air delivery at 8 bar: 650 L/min
Free air delivery at 10 bar: 650 L/min
Outlet connection diameter (G): 1/2"
Dimensions: 1840 x 640 x 1470 mm
Weight: 320 kg

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