Buy Compressor units of KR-2 and AKR-2, AKP-21
Compressor units of KR-2 and AKR-2, AKP-21

Compressor units of KR-2 and AKR-2, AKP-21

In stock
Price from:
108000 UAH
  • Cash,
  • Invoice payment,
  • Cash on delivery
  • In detail
  • Customer pickup,
  • Courier,
  • Transport company,
  • Nova Poshta
  • In detail
Ukraine, Zaporozhe
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Company rating

67% of positive reviews from 3
9 years on Allbiz
Technical characteristics
  • Weight335-375 kg

COMPRESSOR UNITS of KR-2 and AKP-2 (AKP-21 Compressor)

The compressor unit of this type is intended for compression and forcing of atmospheric air in cylinders of respiratory devices up to the pressure of 80-150 kgfs/cm2. Besides, it purifies air of moisture, oil and hydrocarbons. The KR-2 compressor works in the manual mode, the AKR-2, AKR-21, AKR-22, AKR-23 compressor — in the automatic mode.

High-pressure compressors are intended:

  • for launch of diesel electric devices
  • for ensuring needs of industrial facilities for compressed air
  • for use on oil drilling installations

Also you can buy in the KR-24 compressor intended for pumping of petrol vapors and the KR-25 compressor forcing cleaned air up to the pressure of 200 kgfs/cm2. For obtaining additional data contact our managers.


The compressor unit consists of the three-stage vertical compressor with the differential piston and the electric motor which puts the compressor in action through V-belt transmission. The design on the general welded frame is fixed. Here the guard of devices, radiator, oil separators, the relay, pipelines, electric air and blow-off valves, accumulative capacity is mounted. Circulating lubrication, cooling liquid, with forced circulation through radiator.

The AKP-2 high-pressure compressor is completed with control panel and alarm systems, are delivered to KR-2, AKR-21 without control panel and the alarm system.

The automatic control system and protection allows:

  • carry out launch of the unit at pressure loss in system to 80 kgfs/cm2, with opening of blow-off valves for 30 seconds
  • stop the unit on achievement of maximum pressure in system of 150 kgfs/cm2, with opening of blow-off valves on 30 sec. to electric motor stop
  • to abnormally stop the AKR-10.000, AKR-2, AKR-21, AKR-22, AKR-23 compressor if the fact of temperature increase of air to 70 C °, pressure losses of oil, increase of air pressure to 170 kgfs/cm2 or its decrease to 60 kgfs/cm2 takes place.


Name of parameter Value of parameter
KR-2 AKP-21 AKP-2
initial atmospheric atmospheric atmospheric
final, excessive, kgf/cm2 150 150 150
under the terms of suction, m3/min. 0.3 0.3 0.3
on compressed air, l/min 1.8 1.8 1.8
Oil consumption, g/h 30 30 30
Electric motor power, kW 7.5 7.5 7.5
Shaft speed, rated, RPM 1000 1000 1000
Mass of installation, kg 335 375 375
Leading dimensions, mm 1400x740x890 1450x720x890 1450x720x890
Operating voltage, In 380 380 380
Availability of control panel - + -
Availability of sensors and actuation mechanisms - + +

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Compressor units of KR-2 and AKR-2, AKP-21
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