Transformer Maintenance Dry Air Generator Machine
I.Purpose and function
AD-P series dry air generators are designed to provide high-purity dry air with a dew point as high as -55℃~-70℃ during installation and maintenance of large power equipment such as transformers and reactors. It can replace traditional hot oil circulation, supplement nitrogen, Vacuum and other drying methods are more efficient, economical, safe and environmentally friendly.
When using AD-P series dry air generators for electrical equipment installation and maintenance, it will not be affected by changes in external climate conditions, especially overnight operations, only need to seal all flanges and fill with dry air to reach 0.02~0.03Mpa. , No oil injection, nitrogen replenishment, vacuuming, etc., power equipment such as transformers and reactors will not be damp, which greatly reduces the workload, shortens the construction period, and improves the quality of installation and maintenance. AD-P series dry air generators are also suitable for air drying and circulating drying in warehouses, packaging, electronics, medicine and other industries. It is also suitable for drying nitrogen, hydrogen from generator sets and SF6 equipment.
Instead of traditional drying methods, it is efficient, economical, safe, and environmentally friendly. It integrates air compression, cold drying and adsorption, and can be moved freely.
II.Technical parameter
Parameters/Model | AD-2P | AD-5P | AD-10P | AD-20P | AD-40P | AD-120P | AD-200P | AD-300P | AD-400P | AD-500P | AD-600P | |
Air supply (m³/h) | 2 | 5 | 10 | 20 | 40 | 120 | 200 | 300 | 400 | 500 | 600 | |
Work pressure | 0.7~0.8MPa | |||||||||||
Finished gas dew point | -55℃~-70℃ | |||||||||||
Use gas pressure | 0.01~0.8MPa (Can be adjusted arbitrarily) | |||||||||||
Dusty particles | ≤0.01µm | |||||||||||
The refrigerant | R22 | |||||||||||
Compressor (kw) | 0.25 | 0.5 | 0.5 | 0.65 | 0.65 | 1.0 | 1.2 | 1.6 | 1.9 | 2.6 | 2.6 | |
Power (kw) | 6 | 6.5 | 7 | 7.5 | 8 | 15 | 22 | 30 | 45 | 50 | 55 | |
power supply | Three-phase ~380V 50Hz (Can be customized according to user requirements) | |||||||||||
Air supply pipe diameter (mm) | 19 | 19 | 25 | 32 | 32 | 38 | 40 | 40 | 50 | 50 | 58 | |
Dimension | Length, mm | 1450 | 1500 | 1510 | 1850 | 1850 | 2240 | 2300 | 2300 | 2350 | 2950 | 3150 |
Width mm | 1000 | 1050 | 1100 | 1500 | 1540 | 1690 | 1950 | 2000 | 1050 | 2100 | 2200 | |
Height mm | 1550 | 1600 | 1610 | 2240 | 2400 | 2400 | 2400 | 2430 | 2450 | 2750 | 2800 | |
Weight kg | 350 | 380 | 420 | 650 | 800 | 1350 | 2100 | 2360 | 2850 | 3500 | 3780 | |
Note: The dimensions and weight of AD-P series dry air generators are subject to actual technical parameters.













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