ASK Series Rotary Screw Compressors - www.kaeser.com
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www.kaeser.com ASK Series Rotary Screw Compressors With the world-renowned SIGMA PROFILE Free air delivery 0.79 to 4.65 m³/min, Pressure 5.5 to 15 bar
www.kaeser.com
ASK series Powerful and
service-friendly
ASK – More powerful, more efficient
Today’s users expect maximum availability and efficiency from their compressors, regardless of size.
ASK series rotary screw compressors meet all of these needs and more. Not only do they deliver more
compressed air for less power consumption, but they also combine ease of use and maintenance with
exceptional versatility and environmentally responsible design.
More air for your money increased performance of these versatile comp-
ressors. KAESER’s unique cooling system has
ASK rotary screw compressors are true class leaders helped to push the boundaries of efficiency even
when it comes to impressive performance. This has further.
been achieved through continued airend develop-
ment, further optimisation of the SIGMA PROFILE
rotors and low speed operation. Compared with Optimised design
previous models, these enhancements have enabled
All ASK models share logical and user-friendly
free air delivery to be increased by as much as 16 %.
design throughout. For example, the enclosure doors
can be removed in a few simple steps and allow
Low energy consumption excellent visibility of the system’s intelligently laid out
components. Needless to say, the ASK series was
The efficiency of a machine depends on the total designed to enable best possible access to all
costs incurred throughout the equipment’s entire service points. When closed, the sound-absorbing
service life. With compressors, energy costs account compressor enclosure keeps operational sound
for the lion’s share of total expenditure. KAESER levels to a minimum thereby ensuring a pleasantly
therefore designed its ASK series compressors with quiet work environment. Moreover, with its two intake
optimum energy efficiency in mind. Refinements to openings, the enclosure provides separate air flow
the airend with its energy-saving SIGMA PROFILE for high efficiency cooling of the compressor and
rotors, as well as the use of premium efficiency IE3 drive motor. Last, but not least, ASK series comp-
motors and the SIGMA CONTROL 2 compressor ressors are impressively compact, which makes them
controller, have significantly contributed to the the perfect choice for applications where space is at
a premium.
Potential energy cost savings
through heat recovery
Compressed air system investment Image: ASK 28
Maintenance costs
Energy costs
Energy cost savings
through system optimisation Potential energy cost savings
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ASK series
Quality is in the details
SIGMA PROFILE airend SIGMA CONTROL 2
At the heart of every ASK system lies a premium quality The SIGMA CONTROL 2 ensures efficient control
airend featuring KAESER’s SIGMA PROFILE rotors. and system monitoring. The large display and RFID
Operating at low speed, KAESER’s airends are equip- reader provide effective communication and maxi-
ped with flow-optimised rotors for superior efficiency. mum security. Multiple interfaces offer exceptional
flexibility, whilst the SD card slot makes updates
quick and a easy.
Maximum efficiency: IE3 motors Energy-saving radial fan
The use of IE3 motors will become mandatory in the Driven by an independent motor, the radial fan
EU from the 1st of January, 2015, but users can ensures low compressed air discharge temperatures
already enjoy the benefits that these premium effic- and provides greater cooling performance with lower
iency motors have to offer by choosing KAESER ASK energy requirement; it also conforms to the efficiency
series rotary screw compressors. requirements of EC Regulation 327/2011.
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ASK T series
With energy-efficient
integrated dryer
Switching KAESER refrigeration dryer energy saving control
performance Conventional refrigeration dryers with continuous control
KAESER energy saving
10 12 18 20 Time (min)
Energy-saving control Efficient refrigeration dryer
The integrated refrigeration dryer in ASK T units prov- With its efficient rotary compressor and corrosion-
ides high-efficiency performance thanks to its energy- resistant aluminium heat exchanger, the integrated
saving control. The dryer is therefore active only when refrigeration dryer for ASK packages was designed
compressed actually needs to be dried. This approach with absolute energy efficiency in mind.
consequently achieves the required compressed air
quality with maximum efficiency.
Image: ASK 28 T Refrigeration dryer with ECO DRAIN Exceptional compressed air quality
The refrigeration dryer is equipped with an automatic Because the compressor and dryer are thermally
ECO DRAIN condensate drain. This advanced level- shielded from one another, the dryer remains unaff-
controlled drain eliminates the compressed air losses ected by heat from the compressor, which means
associated with solenoid valve control, thereby saving that it can operate at peak performance at all times
energy and considerably enhancing the reliability of to provide quality, dry compressed air.
the compressed air supply.
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ASK SFC series
Modular design –
Dependable performance
Specific power
(kW/m³/min) Conventional speed control
Efficient SFC variable speed control
FAD (m³/min)
Optimised specific power Precision pressure control
In any compressed air installation, it is the variable The volumetric flow rate can be adjusted within the
speed controlled compressor that operates longer than control range according to pressure to suit actual
any other unit within the system. ASK SFC models compressed air demand. As a result, operating pres-
are therefore designed to provide maximum efficiency sure is precisely maintained to within ±0.1 bar. This
without running at extreme speeds. This saves energy, allows maximum pressure to be reduced which saves
maximises service life and enhances reliability. both energy and money.
Integrated SFC control cabinet EMC-certified
Image: ASK 40 T SFC Housed in its own integrated – and insulated – control Like all KAESER products, ASK series SFC packages
cabinet, the SFC frequency converter is shielded from are certified in accordance with the European EMC
heat from the compressor. A separate fan keeps op- (Electromagnetic Compatibility) directive and
erating temperatures in the optimum range to ensure equivalent applicable German legislation, as shown
maximum performance and service life. by the VDE (Association for Electrical, Electronic &
Information Technologies) EMC symbol seal of quality.
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Equipment Design
Complete unit Electric motor Refrigeration dryer
Ready-to-run, fully automatic, super- Premium efficiency IE3 electric motor of CFC-free, R 134a refrigerant, fully insul-
silenced, vibration damped, all panels quality German manufacture, IP 55, ISO F ated, hermetically sealed refrigerant circuit, Standard version
powder coated. Suitable for use in ambient for additional reserve. rotary refrigerant compressor with energy-
temperatures up to + 45°C. saving shutdown function, hot-gas bypass
control, electronic condensate drain.
Inlet filter
Electrical components
Sound insulation Inlet valve
IP 54 control cabinet, control transformer,
Panels lined with laminated mineral wool. Siemens frequency converter, floating Heat recovery (HR) Airend
contacts for ventilation control. Optionally available with integrated HR
system (plate-type heat exchanger). Drive motor
Vibration dampening
Double insulated anti-vibration mountings Fluid and air flow Fluid separator tank
using rubber bonded metal elements. Dry air intake filter, pneumatic inlet SIGMA CONTROL 2
Compressed air aftercooler
and venting valves, fluid reservoir with “Traffic light” LED indicators show opera-
three-stage separator system, pressure tional status at a glance, plain text display, Fluid cooler
Airend
relief valve, minimum pressure check 30 selectable languages, soft-touch keys
Genuine KAESER rotary screw, single Fluid filter
valve, thermostatic valve and microfilter in with icons, fully automated monitoring
stage airend with energy-saving SIGMA coolant circuit, all fully piped using flexible and control. Selection of Dual, Quadro, Radial fan
PROFILE rotors and cooling fluid injection couplings. Vario and continuous control as standard.
for optimised rotor cooling. Interfaces: Ethernet; additional optional
communication modules for: Profibus DP,
Cooling
Drive Modbus, Profinet and Devicenet. SD-card
Air-cooled; separate aluminium cooler for slot for data-logging and updates; RFID
V-belt drive with automatic belt tensioning.
compressed air and cooling fluid; radial fan reader, web server.
meets efficiency requirements for fans as
per EU directive 327/2011. Also optionally available with the SIGMA CONTROL BASIC
controller.
Rotary screw airend with energy-saving SIGMA PROFILE rotors SIGMA CONTROL 2 controller
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Technical specifications
Standard version T - Version with integrated refrigeration dryer (R 134a refrigerant)
Modell
Model Betriebs-
Operating Liefermenge
FAD*) *) max.
Max. Motornenn-
Rated motor Abmessungen
Dimensions Anschluss air Schalldruck-
Compressed Sound Masse
Weight Modell
Model Betriebs-
Operating Liefermenge
FAD*) *) max.
Max. Motornenn-
Rated motor Kältetrockner-
Refrigeration Abmessungen
Dimensions Anschluss
Compressed Schalldruck-
Sound Masse
Weight
überdruck
pressure Gesamtanlage
Complete unit bei
at Überdruck
working pressure leistung
power B x TD xx HH
W Druckluft
connection pegel **)
pressure level überdruck
pressure Gesamtanlage
Complete unit bei
at Überdruck
working leistung
power leistungs-
dryer B x TD xx HH
W airDruckluft pegel **)
connection pressure level
Betriebsüberdruck
operating pressure **) Betriebsüberdruck
operating pressure pressure poweraufnahme
consumption **)
bar m³/min bar kW mm dB(A) kg bar m³/min bar kW kW mm dB(A) kg
7.5 2.86 8 7.5 2.86 8
ASK 28 10 2.40 11 15 800 x 1100 x 1530 G1¼ 65 485 ASK 28 T 10 2.40 11 15 0.7 800 x 1460 x 1530 G1¼ 65 580
13 1.93 15 13 1.93 15
7.5 3.51 8 7.5 3.51 8
ASK 34 10 3.00 11 18.5 800 x 1100 x 1530 G1¼ 67 505 ASK 34 T 10 3.00 11 18.5 0.7 800 x 1460 x 1530 G1¼ 67 600
13 2.50 15 13 2.50 15
7.5 4.06 8 7.5 4.06 8
ASK 40 10 3.52 11 22 800 x 1100 x 1530 G1¼ 69 525 ASK 40 T 10 3.52 11 22 0.7 800 x 1460 x 1530 G1¼ 69 620
13 2.94 15 13 2.94 15
1530 1530
800 1460 800
1100
Front view Left view Right view Rear view Front view Left view Right view Rear view
SFC - Version with variable speed drive T SFC - Version with variable speed drive and integrated refrigeration dryer
Modell
Model Betriebs-
Operating Liefermenge
FAD*) *) max.
Max. Motornenn-
Rated motor Abmessungen
Dimensions Anschluss air Schalldruck-
Compressed Sound Masse
Weight Modell
Model Betriebs-
Operating Liefermenge
FAD*) *) max.
Max. Motornenn-
Rated motor Kältetrockner-
Refrigeration Abmessungen
Dimensions Anschluss
Compressed Schalldruck-
Sound Masse
Weight
überdruck
pressure Gesamtanlage
Complete unit bei
at Überdruck
working pressure leistung
power B x TD xx HH
W Druckluft
connection pegel **)
pressure level überdruck
pressure Gesamtanlage
Complete unit bei
at Überdruck
working leistung
power leistungs-
dryer B x TD xx HH
W airDruckluft pegel **)
connection pressure level
Betriebsüberdruck
operating pressure **) Betriebsüberdruck
operating pressure pressure poweraufnahme
consumption **)
bar m³/min bar kW mm dB(A) kg bar m³/min bar kW kW mm dB(A) kg
7.5 0.94 - 3.60 8 7.5 0.94 - 3.60 8
ASK 34 SFC 10 0.80 - 3.14 11 18.5 800 x 1100 x 1530 G1¼ 68 530 ASK 34 T SFC 10 0.80 - 3.14 11 18.5 0.7 800 x 1460 x 1530 G1¼ 68 625
13 0.88 - 2.70 15 13 0.88 - 2.70 15
7.5 0.94 - 4.19 8 7.5 0.94 - 4.19 8
ASK 40 SFC 10 0.80 - 3.71 11 22 800 x 1100 x 1530 G1¼ 70 550 ASK 40 T SFC 10 0.80 - 3.71 11 22 0.7 800 x 1460 x 1530 G1¼ 70 645
13 0.88 - 3.17 15 13 0.88 - 3.17 15
1530 1530
800 1460 800
1100
Front view Left view Right view Rear view Front view Left view Right view Rear view
*)FAD in accordance with ISO 1217 : 2009, Annex C: Absolute intake pressure 1 bar (a), cooling and air intake temperature 20 °C
**)Sound pressure level as per ISO 2151 and the basic standard ISO 9614-2, tolerance: ± 3 dB (A)
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Choose the required grade of treatment according to your field of application: Explanation
Air treatment using a refrigeration dryer (pressure dew point +3°C) ACT Activated carbon adsorber
Application examples: Selection of treatment classes to ISO 8573-1 (2010) AQUAMAT AQUAMAT
Installation for heavily
DD Desiccant dryer
Solids Water Oil
fluctuating air demand
DHS Air-main charging system
DHS FF
Pure air and clean room AR Air receiver
technology, dairies, breweries 1 4 1
ED ECO DRAIN
DHS FE FD ACT FF FB / FC Pre-filter
Foodstuff production FD Particulate filter
2 4 1 Optional
AR filtration RD* ZK FE / FF Microfilter
DHS FFG Activated carbon and microfilter combination
Very clean conveying air,
chemical plants 3 4 1 FG Activated carbon filter
RD Refrigeration dryer
DHS FF FFG THNF Bag filter
Pharmaceutical industry
1 4 1 AR ZK Centrifugal separator
DHS Compressed air quality classes to ISO 8573-1(2010):
Weaving machines, photo
labs 2 4 1 RD* ED Compressor THNF
Solid particles / dust
DHS FF
Paint spraying, powder max. particle count per m³ of a
coating 1 4 2 Class particle size with d [µm]*
DHS FE 0.1 ≤ d ≤ 0.5 0.5 ≤ d ≤ 1.0 1.0 ≤ d ≤ 5.0
Packaging, control and
instrument air 2 4 2 0 e.g. Consult KAESER regarding
pure air and cleanroom technology
DHS 1 ≤ 20,000 ≤ 400 ≤ 10
General works air, high-grade
sand blasting 4 4 3 2 ≤ 400,000 ≤ 6,000 ≤ 100
AQUAMAT 3 Not defined ≤ 90,000 ≤ 1,000
FC 4 Not defined Not defined ≤ 10,000
Shot blasting
4 7 3 5 Not defined Not defined ≤ 100,000
Class Particle concentration Cp in mg/m³ *
FB
Low-grade shot blasting
5 7-X 4 6 0 < Cp ≤ 5
7 5 < Cp ≤ 10
For KAESER rotary screw compressors X Cp > 10
Conveying air for waste
water systems 6 7-X 4 * FE microfilters can
be optionally installed
Water
Other machines in TG to TI series
No quality requirements Class Pressure dew point, in °C
X X X refrigeration dryers.
e.g. Consult KAESER regarding
0 pure air and cleanroom technology
For non frost protected air systems: Compressed air treatment with a desiccant dryer Installation for heavily
1 ≤ – 70 °C
(down to -70 °C pressure dew point) fluctuating air demand 2 ≤ – 40 °C
3 ≤ – 20 °C
Solids Water Oil 4 ≤ + 3 °C
DHS FF
Pure air and clean room 5 ≤ + 7 °C
technology, pharmaceuticals, 1 1-3 1 6 ≤ + 10 °C
dairies, breweries
Optional Class Concentration of liquid water CW in g/m³ *
DHS FE FD ACT AR filtration DD** FE ZK
Microchip production,
optics and foodstuffs 2 1-3 1 7 CW ≤ 0.5
8 0.5 < CW ≤ 5
DHS 9 5 < CW ≤ 10
Paint spraying X CW > 10
3 1-3 1 AR
Oil
DHS FF
Process air, pharmaceuticals Total oil concentration
1 1-3 1 DD** FE ED Compressor THNF Class (fluid, aerosol + gaseous) [mg/m³]*
e.g. Consult KAESER regarding
0
DHS FG FD pure air and cleanroom technology
Photo labs
2 1-3 1 1 ≤ 0.01
AQUAMAT
2 ≤ 0.1
DHS 3 ≤ 1.0
Especially dry conveying ** An aftercooler is required where applicable
4 ≤ 5.0
air, paint spraying, fine 3 1-3 2 for heat regenerated desiccant dryers.
X > 5.0
P-651/23AUS.3/14 Specifications are subject to change without notice
pressure controllers
*) At reference conditions 20°C, 1 bar(a), 0% humidity
KAESER COMPRESSORS Australia Pty. Ltd.
Locked Bag 1406 – Dandenong South – Vic. 3164
45 Zenith Road – Dandenong – Vic. 3175
Phone: +61 3 9791 5999 – Fax: +61 3 9791 5733 – E-mail: info.australia@kaeser.com – www.kaeser.com
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