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The AIRERA 55KW Direct-Driven Air Cooling Oil-Free Rotary Screw Compressor is the ultimate solution for high-capacity industrial applications requiring 100% oil-free, ISO Class 0 air. By utilizing a high-precision direct-drive system, this 55KW powerhouse eliminates transmission energy loss and the maintenance hassles of belts. Its robust air-cooling design ensures peak performance in diverse climates without the need for water infrastructure. Engineered with AIRERA’s wear-resistant coated rotors, it offers unparalleled durability and energy savings for the medical, food, and semiconductor industries. AIRERA: Delivering reliable, clean, and intelligent power to drive your global productivity.
Advantages of OGFD Air Screw Compressor:
Water cooler
The plates are made of special 304L stainless steel, offering corrosion resistance and high thermal efficiency, which reduces pressure and temperature differentials and ensures the system operates under near-isothermal compression. The system features a compact design, requires less cooling water, minimizes pressure loss, enhances durability, and is easy to clean and maintain.
Water filter
The housing is made of stainless steel, offering high filtration precision and a long service life, ensuring the system remains clean and free of impurities.
Relief valve
The independently designed unloading valve (Patent No.: ZL200520058468.2), specifically engineered for vortex characteristics, enables fully sealed operation in screw compressors, ensuring stepless air delivery from 0 to 100%.
Technical Specifications - 55KW Air Cooling Compressor
55KW Air Cooling Compressor Parameters
ITEM
UNIT
MODEL OGFD-55
Free air delivery
m³/min
10.0-7.8
Max. working pressure
MPa
0.7-1.0
Compressor type
Water inject oil-freescrew compressor
Cooling type
Air cooling
Driven type
Direct driven
Inlet status - Temperature
℃
≤55
Inlet status - Pressure
MPa
Atmospheric pressure
Inlet status - Relative humidity
≤90%
Noise Level
dB(A)
≤64±3
Residual oil content
ppm
≤0
Drive rotor speed
rpm
2960
Compressed air outlet temperature
℃
Ambient temperature+20
CompressedInlet temp.
℃
2-40
Cooling air flow
m³/hr
10200
Control mode
Intelligent controller
Safety valve set pressure
MPa
0.77 ~ 1.14
Lubricating water volume
L
100
Compressed air outlet connection
G2
Dimension - L
mm
1930
Dimension - W
mm
1320
Dimension - H
mm
1353
Net Weight
kg
1520
Motor - Model
Y2225M-2
Motor - Speed
rpm
2960
Motor - Rated Power
KW
55
Motor - Service factor
1.2
Motor - Protection type
IP55
Motor - Efficiency
IE3
Motor - Startup mode
ʏ-Δstarting
Motor - Voltage
V
220/440
Motor - Frequency
Hz
60
Motor - Rated current
A
178.4/89.2
Motor - Weight of motor
kg
387
AIRERA 55kW Screw Air Compressor: Frequently Asked Questions (FAQ)
Why is the 55KW model ideal for the pharmaceutical and food industries?
These industries require absolute air purity. AIRERA’s 55KW oil-free technology provides ISO Class 0 certified air, ensuring that no oil vapor comes into contact with the product, thereby preventing costly recalls and ensuring consumer safety.
Can a 55KW air-cooled unit operate effectively in high-humidity regions?
Yes. Our 55KW unit features an enhanced moisture separation system and a high-efficiency air cooling array. The oversized radiators are designed to prevent heat buildup even in humid, tropical environments, ensuring stable discharge temperatures.
What makes AIRERA's oil-free rotors different from competitors?
We use a multi-layer polymer coating combined with stainless steel substrates in critical areas. This dual-protection approach prevents coating peel-off and rotor corrosion, maintaining high volumetric efficiency for a much longer service life.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Importer,Exporter,Seller
Year Established:
1981
Total Annual:
13200000-15000000
Employee Number:
115~1040
Ecer Certification:
Verified Supplier
Since 1981, Airera has been dedicated to the development & production of compressors(not AC compressors) for over 4 decades, it has overseas R&D centers and provincial enterprise technology centers, 106 R&D technicians, 12 third-generation Rotorcomp patented lines, and cooperates with Ge... Since 1981, Airera has been dedicated to the development & production of compressors(not AC compressors) for over 4 decades, it has overseas R&D centers and provincial enterprise technology centers, 106 R&D technicians, 12 third-generation Rotorcomp patented lines, and cooperates with Ge...