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Water-cooled Screw Air Compressor

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Water-cooled Screw Air Compressor

The water-cooled direct-connected screw air compressor adopts a pre-packaged screw air compressor, which only needs a single power connection and compressed air connection, and has a built-in cooling system, which greatly simplifies the installation work. Screw air compressors consistently provide excellent compressed air for all walks of life with their high efficiency, maintenance-free, and high reliability.

  • Since the cooling water has a certain cleaning effect, when it flows inside the air compressor, it can clean the inside of the equipment.
  • The water-cooled air compressor has good adaptability to climate change, and it can adapt to strong changes in temperature by increasing or decreasing the water pressure;
  • In dusty environments, such as textile, spraying, carbon black, titanium dioxide and other industries, water-cooled air compressors are more reliable;
  • The cooler of the water-cooled air compressor, the oil side is easy to clean, which cannot be done by the air-cooled air compressor
  • Adapt to various complex working conditions and meet customer needs
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Description
Technical Data
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Description
  1. Inhalation process: The motor drives the rotor. When the tooth groove space of the main and slave rotors is transferred to the opening of the inlet end wall and compressed, the space is large, and the outside air is filled with it. When the end face of the inlet side of the rotor turns away from the shell When the air inlet is installed, the air between the tooth grooves is enclosed between the main and slave rotors and the casing to complete the inhalation process.
  2. Compression process: At the end of suction, the closed volume formed by the main and slave rotor tooth peaks and the casing decreases with the change of the rotor angle, and moves in a spiral shape, which is the "compression process".
  3. Compressed gas and oil injection process: During the conveying process, the volume is continuously reduced, the gas is continuously compressed, the pressure is increased, and the temperature is increased. Compression, lower temperature sealing and lubrication.

Technical Data
Model SLT-7.5V SLT-11V SLT-15V SLT-18.5V SLT-22V SLT-30V SLT-37V SLT-45V SLT-55V SLT-75V SLT-90V SLT-110V SLT-132V SLT-160V SLT-185V SLT-200V SLT-250V
Motor Power(kw) 7.5 11 15 18.5 22 30 37 45 55 75 90 110 132 160 185 200 250
Horsepower(hp) 10 15 20 25 30 40 50 60 75 100 125 150 175 215 250 270 350
Air displacement/Working pressure (M³/Min./MPa) 1.2/0.7 1.6/0.7 2.5/0.7 3.2/0.7 3.8/0.7 5.3/0.7 6.8/0.7 7.4/0.7 10.0/0.7 13.4/0.7 16.2/0.7 21.0/0.7 24.5/0.7 29.4/0.7 32.8/0.7 35.7/0.7 45.9/0.7
1.1/0.8 1.5/0.8 2.3/0.8 3.0/0.8 3.6/0.8 5.0/0.8 6.2/0.8 7.0/0.8 9.2/0.8 12.6/0.8 15.0/0.8 19.8/0.8 23.2/0.8 28.3/0.8 31.9/0.8 34.4/0.8 44.0/0.8
0.9/1.0 1.3/1.0 2.1/1.0 2.7/1.0 3.2/1.0 4.5/1.0 5.6/1.0 6.2/1.0 8.5/1.0 11.2/1.0 13.8/1.0 17.4/1.0 20.5/1.0 25.0/1.0 28.5/1.0 32.6/1.0 36.3/1.0
0.8/1.2 1.1/1.2 1.9/1.2 2.4/1.2 2.7/1.2 4.0/1.2 5.0/1.2 5.6/1.2 7.6/1.2 10.0/1.2 12.3/1.2 14.8/1.2 17.4/1.2 21.1/1.2 24.8/1.2 28.0/1.2 33.8/1.2
Air outlet diameter DN20 DN25 DN25 DN25 DN25 DN40 DN40 DN40 DN50 DN50 DN50 DN65 DN65 DN80 DN100 DN80 DN100
Lubricating oil volume (L) 10 16 16 18 18 30 30 30 65 65 72 90 90 110 150 180 200
Noise level dB(A) 60±2 62±2 62±2 64±2 64±2 66±2 66±2 66±2 68±2 68±2 70±2 70±2 70±2 75±3 75±3 77±3 78±3
Driven method Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven Direct driven
Start method PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD PM VSD
Extenal dimensions Length (mm) 950 1150 1150 1350 1350 1500 1500 1500 1900 1900 2450 2450 2450 3400 3760 2650 3000
Width (mm) 670 820 820 920 920 1020 1020 1020 1260 1260 1660 1660 1660 2167 2100 1488 1740
Height (mm) 1030 1130 1130 1230 1230 1310 1310 1310 1600 1600 1700 1700 1700 2260 2260 1900 2100
Weight (kg) 250 400 400 550 550 700 750 800 1750 1850 1950 2200 2500 3200 3200 4400 4700
More Details
  1. The screw compressor host has compact structure, small size, light weight, high efficiency and reliable operation. The noise of the equipment is only 65-75 decibels, which indicates that the moving parts of the compressor have high machining accuracy, excellent materials, small shock and vibration, and long rotor life.
  2. Adopt high-efficiency and energy-saving motors with stable and reliable quality and long service life.
  3. The elastic coupling is directly connected to the transmission mode, and the transmission efficiency is high. It can reduce the shock and vibration of starting and stopping, loading and unloading.
  4. The oil cooler of the screw air compressor adopts the aluminum alloy plate fin cooler, which is light in weight and high in heat exchange efficiency.
  5. The exhaust temperature of the screw compressor should be controlled at not lower than the ambient temperature +50°C, otherwise the water vapor in the oil and gas mixture will be precipitated, resulting in the emulsification of the lubricating oil. Therefore, it is necessary to set the temperature control valve so that the oil supply temperature is not lower than the set value.
  6. The oil and gas separation system adopts imported oil and gas separation elements, which have good effect and long service life. Under normal circumstances, the oil content of the exhaust gas is less than or equal to 3ppm.

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The system adopts stepless adjustment of 0-100% displacement. When the gas consumption is reduced, the exhaust volume is also reduced, and the current of the motor is also reduced at the same time. The best energy saving effect. The extraordinary cooling system design is especially suitable for high temperature and high humidity environment. Excellent vibration isolation technology and noise reduction measures allow you to place your compressor with minimal ventilation and maintenance space. Adopting the design idea of “large rotor, large bearing and low speed”, the speed is 30-50% lower than other brands, which can reduce noise and vibration, reduce exhaust temperature, improve rotor rigidity and prolong service life

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