Extreme 4 270L. 21 Bar

The Electric OIL-LESS piston compressors by NARDI are available in single-phase and three-phase versions. These heavy duty professional and reliable compressors are manufactured with the best materials, to guarantee end users long life durability with very little maintenance. These compressors are available in 8-10Bar, 15 bar, 21bar, up to a maximum of 30bar and they can be ordered with different frames and tank sizes to satisfy the market demand.

EXTREME 4 270L. 21 BAR:

The EXTREME 4 industrial compressor with its important 270L air tank is supplied in different power and controlling models, there are versions manifactured with the classic pressure switch and others with a fully automatic control system. The NARDI automatic controller is flexible, reliable and user friendly, and it can monitor up to three pumping units continually dependent on air requirements and the indivudal working hours of the pumping groups. The versions with automatic system give users constant data about the state and performance of the compressor and this system optimises pump usage to save costs and energy. This particular range has a NARDI specially-designed pump to work up to 21BAR.

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Application Sectors

01   

Agricolture

02   

Automotive

03   

DIY

04   

Industry

Technology

Characteristics

The automatic control device memorizes the total working hours of the compressor and the working hours of every single pump unit and dryer installed. The motor switches have a thermal control which, in case of an electric overload, stops the motor and informs the automatic system of an ongoing malfunction. This will immediately start another motor this way there is no halt in the work of the user. The LPCD launches a message when the compressor is due for regular maintenance and also in case any alarm activates since the working hours of all pump units on the compressor are equal. It is possible to collocate up to 10 LP CONTROL DEVICES, therefore a maximum of 30 pump units by means of an RS485 connection.

This controlled system consents a better stability of the process, optimization of the compressor and the pumping units, maximization of the working hours, reduction of energy costs and minimum maintenance operations. Upon request, it is possible to add an extra module to have the LPCD send notifications to a determined email address giving real time information about the conditions of the compressor (IoT system).

Technical specifications

Model name
Tank
Cylinders
Air Intake
Air Intake
Air Intake
Max pressure
Max pressure
Engine
Engine
Phase
Rpm
Noise
Weight
Weight
Dimension
Type
Liters
l/min.
C.F.M.
m3/h
Bar
Psi
HP
Kw
Type
Rpm
dB
Kg
Lbs
cm (LxWxH)
Extreme 4/21B 270L 6,0 HP
270
8
520
18.4
31.2
21
305
6
4.4
Three
1400
74
185
408
160 x 64 x 87
Extreme 4/21B 270L 9,0 HP
270
12
780
27.6
46.8
21
305
9
6.6
Three
1400
75
218
480
160 x 64 x 87
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