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Screw Air Compressor, Oilless Air Compressors, Variable Frequency Air Compressor manufacturer / supplier in China, offering High Reliability Dbf Variable Frequency Screw Compressor, Screw Air Compressor DC175A, China Products Industrial Machines Wholesale Compressor by Dhh and so on.

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Supplier Homepage Product Variable Speed Screw Air Compresssor High Reliability Dbf Variable Frequency Screw Compressor

High Reliability Dbf Variable Frequency Screw Compressor

FOB Price: US $2,000-8,500 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $2,000-8,500/ Piece
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Production Capacity: 500units/Month
Transport Package: Plywood Case
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: DBF-25
  • Cooling System: Air Cooling
  • Cylinder Position: Vertical
  • Installation Type: Stationary Type
  • Trademark: DHH
  • Origin: Shanghai
  • Lubrication Style: Lubricated
  • Power Source: Electric Motor
  • Structure Type: Closed Type
  • Type: Twin-Screw Compressor
  • Specification: 1250*870*1180
  • HS Code: 8414809090
Product Description
Due to the electrical machine rotate speed and the air compressor's atural power consumption have made into a power relations, reducing the motor speed will reduce actual power consumption, variable frequency air compressor, adopting pressure sensor to instantly induction system in actural use pressure and air capacity, through control of the electrical and frequency converter, to change compresor speed, through no changing the air compressor motor torque circumstances(namely the output power), which regulates the system pressure, so as to realize the compressed air on-demand output. when the system is low, the air capacity space-time co capacity comkpressor provide compressed air quantity greater than system air, frequency conversion air compressor reduce output compressed air volume, conversely impreove click RPM increases compressed air quantity to maintain stability of the system pressure value.
Shanghai DHH screw compressor features:
1,save electricity-to save money
2, maintenance cost is reduced a lot
3, supply constant pressure gas, improve production efficiency and production quality
4, improve produced gas eficiency about 5% to 15%
5 prolong the service life to compessor, from the 10-15 years increased to 15-20years
6, improve transformer and grid operation effect
7, to reduce noise
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DBF Series (Belt) Variable FrequencyScrew Compressor Technical Parameters:
Air flow Capacity(m3/min)PowerNoiseOutlet
MODEL0.7Mpa0.8Mpa1.0Mpa1.3MpaKWdB(A)INCHW×D×H mmKg
DBF-50A6. 1/2"1540×950×1290880

High Reliability Dbf Variable Frequency Screw Compressor
Microcomputer controller:
DHH English LCD microcomputer intelligent controller can not only switch and change the volume 
automatically according to user's gas state to save power costs, but also have functions of 
communicating, testing and fault alarm.
a, Display project:
1, oil separator core replacement time 8, loading and unloading status
2, oil filter change-over time 9, running status
3, air filter change-over time 10, motor running status
4, oil change-over time  11, main motor currency
5, current pressure, temperature 12, electric current 
6, working hours 13, fan current
7, full-load operation hours 14, fan operation status
b, Automatic alarm functions:
1, high temperature alarm5, pressure, temperature sensor fault alarm
2, oil change-over time arrive alarm6, oil filter change-over time arrive alarm
3, air filter change-over time arrive alarm7, oil separator change-over time arrive alarm
4, belt extended use alarm(belt compresso8, communication fault alarm
c, Downtime function 
1, exhaust pressure ultra-high down time7, exhaust temperature over stop function
2, main motor overloaded, downtime8, fan motor overload, stop function
3, the temperature sensor fault alarm9, pressure sensor fault, stop function
4, wrong phase, phase lack, 
three-phase unbalanced downtime
10, high voltage, low voltage, downtime function
5, electrical breakdown stop function11, bearing temperature exorbitant downtime(high 
pressure type)
6, stator high temperatures stop 
function(high pressure type)
12,cooling water pressure is too low 
downtime(water-cooling compressor)

High Reliability Dbf Variable Frequency Screw Compressor
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