Westair - Oil Injected Rotary Screw Variable Speed Air Compressor | SCR75APM Get latest price

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Permanent Magnet Variable Speed Direct Drive Series (7.5kW-75kW)

The APM series works by ramping up and down to coincide with your air demands, supplying only the amount of air and constant pressure needed. Unlike fixed-speed compressors, the SCR APM’s goal is to keep the compressor continually on load and avoid running time offload. APM compressors have a wide variable range, making them suitable for multiple applications, resulting in significant energy savings and minimising CO2 emissions.

DUAL VSD ENERGY-SAVING TECHNOLOGY

The Inovance VSD operates both the main permanent magnet motor and the fan motor for optimal energy savings. Setting a constant temperature with the fan motor inverter control ensures the best lubrication performance and prevents high-temperature trips.

PURE SOFT-START SYSTEM AS STANDARD

Soft-start system reduces the electric current during start-up

On start-up, traditional fixed-speed compressors, with direct online or star-delta starters, can draw up to 3.5 times their full load current. The soft-start technology on the APM variable speed ensures that the starting current never exceeds the rated value.

INOVANCE STATE-OF-THE-ART TOUCH DISPLAYER

• Seven-inch full-colour LCD touch screen
• Real-time operation/maintenance/ running data
• Alarm information and fault logging
• Graphical flow diagram
• 4 energy-saving function modes
• Service alarm and history
• Interface connection: RS485/ RS422/SD card/USB/Ethernet
• Pressure/temperature/overload/ overcurrent/phase loss/unbalance protection
• Pre-alarm system to avoid sudden failure
• Remote monitoring capability
• Programmable start/stop schedules
• Stop/start remote
• Fault history
• Motor jogging/inching function

Features:

1. PERMANENT MAGNET MOTOR

• Reach IE4 efficiency standard
• Lubricant-cooled motor
• VSD: variable speed drive
• IP65 protection

2. NEW IMPROVED AIREND

• New improved rotor profile
• R&D in Japan
• Designed to give many years of reliable operation

3. INNOVATIVE INOVANCE INVERTER

• Wide voltage design
• Meets C3 and C3 EMC requirements
• Built-in DC reactor
• Independent cooling air duct design
• Robust enclosure for trouble-free operation even in the harshest of conditions

4. CLASSIC COOLER DESIGN

• Easy access for maintenance
• Anti-corrosion coating on surface
• 30% oversized cooler design

5. AIR INLET FILTER

• Nanoscale heavy duty
• Filtration accuracy up to 99.9%
• Dust particles below 0.3 micron
• Extends the service life of the lubricating oil and oil filter

6. INLET VALVE

• Optimises the inlet flow of the airend
• No blow down losses
• Full aluminium maintenance-free design
• High vacuum degree: 700mmhg
• Large suction area
• Low load energy consumption in unloaded operation
• Fluoro rubber for improved valve seal

7. COOLING FAN

• Compact
• VSD control
• Low noise level
• High capacity for optimized cooling
• Low power consumption

8. OIL FILTER

• High-efficiency oil filter removes contaminants from the oil
• Oil particles can be controlled at 0.1 micron
• Ensures a smooth and well-lubricated oil system

10. ALL-STEEL INTERNAL PIPE SYSTEM

• All-steel internal pipework and compression joints prevent leakage and premature ageing, often seen with flexible pipes
• Reduced air flow friction

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