The GA series multi-stage screw compressor is equipped with a high-efficiency permanent magnet motor, which has excellent energy-saving performance, stable operation and low noise, allowing it to be installed close to the point of gas consumption.
Efficient, reliable and durable
The new GA series multi-stage screw compressor is based on the above design principles and can provide customers with high-quality compressed air even in harsh operating environments. At the same time, due to its rich knowledge and experience and pioneering innovative spirit, GA series compressors continue to reduce costs for customers throughout the entire production process and ensure safe, stable and continuous operation.
High efficiency motor
TEFC IP55 motor (Class F insulation, Class B temperature rise, dustproof and chemical resistant)
TEFC IP23 high voltage motor (Class F insulation, Class B temperature rise, dustproof and chemical resistant)
Maximum ambient temperature for continuous normal operation up to 46°C/115°F
Screw host
Asymmetric rotor profile and carefully selected bearings provide low wear and high reliability
Ensure the reliability you expect, with satisfied customers around the world
Cooling module
Independent high-efficiency oil cooler and aftercooler
Axial cooling fan driven by independent TEFC motor (protection level IP55)·Low noise
High performance gear drive transmission
No maintenance required; fully protected from dust and dirt
The working range of the screw host is more optimized
Rotex elastic coupling ensures stable load bearing and reliable operation
Quick and easy repairs
Choose long-life consumable parts
Easy maintenance and safe
Loading and unloading valve
Through loading/unloading control, the output air volume of the compressor is adjusted to ensure system pressure stability and energy saving.
Simple structure, few moving parts, no maintenance required, very reliable
Precise control via solenoid valve
Dual high efficiency air filter
The filtration accuracy for particles larger than 3um is as high as 99.9%, which is suitable for various heavy dust environments.
The pre-separation process can reduce the dust removal burden of the fine filter element and greatly extend the service life of the filter element without reducing the filtration effect.
Advanced ElektronikonR Controller
Integrated intelligent control to reduce system pressure drop and energy consumption
Complete monitoring functions: including alarm prompts, maintenance schedules and online observation of unit operating conditions
High quality compressed air
Built-in water separator to effectively remove condensed water
Technical Parameters
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GA55PM-8 multi-stage screw compressor |
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Model |
GA55PM-8 |
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cooling method |
air cooling |
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Exhaust volume/exhaust pressure (m/min)/(Mpa) |
9.6/0.8 |
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Ambient temperature (℃) |
-5～+45 |
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Noise dB(A) |
78±2 |
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Exhaust temperature (℃) |
≤ambient temperature +15℃ |
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Lubricant capacity (L) |
60 |
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Gas oil content (ppm) |
3~5ppm |
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transfer method |
direct drive |
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safety valve set pressure |
≤Rated exhaust pressure×1.2 times MPa |
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Dimensions |
Length(mm) |
1640 |
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Width(mm) |
1070 |
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Height(mm) |
1600 |
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Net weight(kg) |
1050 |
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Connection size |
DN50 |
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Introduction to multi-stage screw compressor accessories
1. The high-efficiency aluminum plate-fin heat exchanger is designed with a maximum temperature of 230°C.
2. Strong permeability, good heat transfer performance, improved "temperature and pressure" to reduce energy consumption.
2. The unique fin structure increases the secondary heat exchange area, promotes turbulence, and improves the heat transfer coefficient.
3. The heat exchange area is 30% larger than the standard in the same industry, with a large margin, which improves the heat transfer coefficient and achieves the optimal cooling effect.
4. Achieve the best state of the cooling and lubrication system
5. Easy to clean.
6. Designed to reduce the temperature of super coolant, which can optimize the operating status of vacuum pump components and extend the life of the machine.
7. Efficient cooling capacity to improve operating efficiency
8. Adequate redundant design allows the system to operate normally at the maximum ambient temperature of 43°C
9. Use a temperature control valve to control the temperature of the lubricating oil entering the main engine.
1. Integrated functions of temperature control valve and oil filter seat
2. Ensure the smooth flow of super coolant inside the system
3. The temperature control valve controls the temperature of the exhaust system within a suitable range.
4. Control the oil temperature to not be lower than the ambient temperature +40°C to prevent water vapor in the oil-gas mixture from escaping and causing emulsification of the coolant.
5. The temperature sensing element automatically controls the proportion of coolant entering the cooler and bypassing according to the exhaust temperature to achieve the purpose of temperature control.
6. Keep the temperature of the coolant in the optimal range and extend the service life of the coolant.
7. Easy to install and maintain
8. Simplify pipelines, reduce joints, and reduce pressure loss and oil and gas leakage probability
1. Original imported filter material, foldable filter element
2. The filter paper increases the filtration area by 30%, has long service life and small pressure drop.
3. Large filtration area, small filtration resistance, and good filtration effect
3. Efficient dust removal and effective protection; extend the service life of the main engine, super coolant, negative pressure gas-liquid separator core and other components
1. Eliminate the traditional PLC control scheme and have built-in dual PID control for pressure and temperature, making the control more intelligent.
2. High-performance air compressor-specific touch screen, high-end image, sensitive touch response, adaptive vacuum pump control program, easy to operate.
3. Advanced vector control algorithm optimizes product adaptability while adjusting the best performance output to improve system operation reliability; the frequency converter is compatible with permanent magnet motor control.
4. Reliability and safety protection: For various harsh application situations of vacuum pumps, it provides a high overload service coefficient, configures EMC filters, and sets up a variety of early warning and protection functions to reduce the probability of failure during user use.
1. All models use IE4 level (GB1 energy efficiency) ultra-efficient motors;
2. IP55 protection level.
3. The motor windings and magnets are in a closed and clean space to avoid contamination and demagnetization;
4. All motors adopt SmCo magnet design, with higher demagnetization temperature and more reliable product quality.
5. All motors have winding temperature sensors to monitor the internal temperature of the motor in real time, with high temperature warning and trip protection.
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