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All Categories > Kaeser Products > Portable Compressors > Item # 73531  
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Item # 73531, 1600 Cubic Feet Per Minute (cfm) Flow Rate Portable Oil-Free Compressors
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Oil-free portable compressors where and when you need them

Our flagship M500-2 combines the advantages of a two-stage oil-free rotary screw compressor with those of a mobile unit: maximum compressed air capacity and quality with unrivaled flexibility.
  • Compressed air aftercooler fitted as standard.
  • Fleet Management via GPS as standard.
  • Refinery-ready - includes certified spark arrestor, engine shut-off valve and sealed floor pan.
  • Features to facilitate setup (chassis with parking brake, crane and rigging eyelets, forklift pockets).




Financing  · Specifications  · Diesel Engine  · Package  · Dimensions  · Advantages  · Low Life Cycle Costs  · Sigma Control Mobil™  · Refinery-Ready  · Mobilair™ Fleet Management  · Features  · Standard Features  · Additional Information  · Note

Financing

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Finance with Approve Payments



Specifications

Brands
Kaeser Compressors

Model
M500-2

Free Air Delivery at 100 Pound Per Square Inch Gauge (psig) Pressure
1600 ft³/min

Free Air Delivery at 125 Pound Per Square Inch Gauge (psig) Pressure
1550 ft³/min

Free Air Delivery at 135 Pound Per Square Inch Gauge (psig) Pressure
1530 ft³/min

Free Air Delivery at 140 Pound Per Square Inch Gauge (psig) Pressure
1500 ft³/min

Free Air Delivery at 150 Pound Per Square Inch Gauge (psig) Pressure
1340 ft³/min

AdBlue Capacity
248 gal

Maximum Sound Level at 23 Feet (ft)
76 dBA

Standard Warranty
2 years

Optional Airend Warranty
5 years


Diesel Engine

Make
Caterpillar C 18

Power at Full Load
600 hp

Full Load Speed
1900 rpm

Off Load Running Speed
1250 rpm


Package

Fuel Tank Capacity
248 gal

Weight
26235 lb

Outlets
1 x 1 in
1 x 3 in


Dimensions

Length1
237 in

Width
90 in

Height
110 in
1 Length includes tow bar.


Advantages
  • Fleet management at your fingertips:
    Operating status and maintenance reminds are available via laptop, smartphone, or table. The compressor can be started remotely and geofencing feature prevents unauthorized use.
  • Maximum long-term efficiency:
    Thanks to an innovative coating that remains immune to temperatures up to 572 ºF, the blasted and phosphate-treated rotors show no measurable wear even after years of use.
  • Minimal downtime:
    Thanks to its generously sized fuel tank, the M500-2 can run for two entire sequential shifts and can even run continuously when connected to an external tank.


Low Life Cycle Costs
Our comprehensive approach to life cycle cost management: Superior efficiency, easy operation, service-friendliness, and a global service and consulting network with fast response times.


Sigma Control Mobil™
The compressor controller of the future
  • By accessing electronic motor management, the Sigma Control Mobil™ system optimizes compressed air availability and fuel efficiency. The system is both shock and vibration proof corresponding to IP 65 electrical protection.
  • Its functions include operational monitoring as well as precise system diagnostics.
User-friendly operation saves time
  • The highly intuitive user operation means that only three buttons are needed to operate the entire system.
  • In addition, the automatic monitoring feature can shut the compressor down as required. 
Precise settings
  • The system pressure can be set with precision of 1 psi directly on the Sigma Control Mobil™ display using arrow keys, as can the compressed air discharge temperature; this enables precise adjustment to downstream compressed air treatment components.


Refinery-Ready
Sealed floor pan
  • The sealed floor pan for hazard areas immediately catches liquids to prevent any direct soiling of the floor or ground.
  • The drainage holes are sealed with screwed sealing plugs.
Spark arrestor
  • A certified spark arrestor is factory installed for use in areas at risk of explosion.
Shut-off valve
  • The engine shut-off valve automatically shuts the unit down upon intake of combustible gases.


Mobilair™ Fleet Management
Real-time data via GPS

An optionally available GPS/GSM modem (standard with M500-2) discretely integrated into the unit provides the user with online information regarding technical status of the machine. Should the user need to be alerted to an issue, the system actively reports it with a diagnostics check.
In addition to current operating hours and position-fixing, the system also helps by providing valuable data for compressor load evaluation and maintenance planning.


Features
  • Pressures from 58 to 150 psig
  • Caterpillar C18 diesel engine
  • Stage IV, Tier 4 Final exhaust emissions
  • Sigma Control Mobil™
  • Proemion telematics with GPS/GSM-modem for Mobilair fleet management
  • Up to 12 hours operation on one tank of fuel
  • Switchable fuel supply
  • Aftercooler with moisture separator
  • Adjustable discharge temperature


Standard Features
Controls
  • Status and maintenance condition monitoring.
  • Selectable pressure from: 58 to 150 psig.
  • Adjustable air discharge temperature up to 149 ºF
  • GPS/GSM-modem
  • Remote start via radio remote controller.
  • Switchable from partial load to dual control
  • Automatic start-stop mode.
Maintenance
  • Mobilair™ fleet management.
  • Central fluid draining ports Standard Features M 500-2.
  • LED-illuminated machine interior
  • Exhaust treatment: DPF/SCR +
  • Connection to external AdBlue tank
  • Additional 10.5 gallon engine oil reserve
  • Roof top service access
Operation
  • Compressed air aftercooler (18 ºF D T nominal)
  • Centrifugal moisture separator
  • Switchable to external fuel supply for extended operation
  • 120 V battery charger
  • Heaters for engine cooling agent, compressor gear oil, hydraulic oil (120 V external)
  • Heater for condensate drain and fuel filter (24 V on-board)
Transport and Safety
  • Pivoting front axle and tow bar
  • Lifting eyes (double-strap lifting)
  • Fork lift pockets
  • Parking brake
  • Spark arrestor and engine shut off valve
  • Closed floor pan for complete fluid containment


Additional Information
For industrial equipment with high compressed air requirements the M500-2 ensures continuity of compressed air supply even during maintenance or renovation work. Other areas of application include refineries - e.g. for pipeline flushing. As a perfect team player, it easily integrates into existing stations.

Ready where it's needed, when it's needed
The two-stage, oil-free M500-2 is an ultra-reliable source of rental air for site work. It is also a perfect fit for backup air for manufacturing and process applications during plant maintenance periods, or to provide temporary auxiliary air during peak production periods.

Powered by the dependable 600 hp Caterpillar C18 diesel engine, the M500-2 is engineered for fuel efficiency and ease of operation. With a full load fuel consumption of 21 gal/hr and a 248 gallon fuel tank, M500-2 delivers up to 1600 cfm continuously for up to 12 hours. Run time can be extended using the external fuel connection (standard).

The Sigma Control Mobil™ matches air flow to meet varying air demand while maintaining steady pressure. With standard Proemion telematics, Kaeser fleet management is at your fingertips. Operating status and maintenance reminders are all available via laptop, smartphone, or tablet to avoid unscheduled downtime. M500-2 can be started remotely and the geofencing feature can prevent unauthorized use.


Note
Specifications subject to change without notice.


 MORE IMAGES 

·  1600 Cubic Feet Per Minute (cfm) Flow Rate Portable Oil-free Compressors - The Compressor Controller of the Future

·  1600 Cubic Feet Per Minute (cfm) Flow Rate Portable Oil-free Compressors - Real Time Data via GPS


 DOWNLOADS 

Brochure for Mobilair™ Portable Air Compressor
(PDF, 2026KB)


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