ZJA9
9000LPH Transformer Oil Filtering Machine
- The 9000LPH Transformer Oil Filtering Machine is designed to remove contaminants (particulate, water, gasses, etc.).
- Transformer oil maintenance is the key to transformer reliability, performance, and longevity.
- Transformer oil should be free of moisture, dissolved gases, and particles that accumulate with age.
- The machine employs dehydration technology and three-stage filtration systems.
- These technologies can quickly improve dielectric strength, reduce water content, and remove other contaminants.
9000LPH transformer oil filtering machine uses advanced technology and innovative design, with excellent cost performance.
Its oil treatment techniques and overall performance are at the leading position in China.
Its features include a high working vacuum, fast oil filtering, and sound oil quality protection.
| Item | Name of Parameter | Model/Unit | ZJA9KY |
| Technical parameters | Nominal flow capacity | L/h | 9000 |
| Limit vacuity | Pa | ≤5 | |
| Working vacuity | Pa | ≤80 | |
| Working pressure | Mpa | ≤0.5 | |
| Working temperature of oil | ℃ | 45~65 | |
| Working power | / | As per buyer’s option | |
| Total elecric power | kW | 100 | |
| Pipe diameter of oil outlet/inlet | DN | 40/40 | |
| Size | mm | 2500*1900*2700 | |
| Weight | kg | 1800 | |
| Oil treatment index | Oil breakdown voltage | kV | ≥70(Spherical Electrodes) |
| Water content | ppm | ≤5 | |
| Air content | % | ≤0.3 | |
| Filtering accuracy | μm | 1 | |
| *KY is open mobile type. *Due to different equipment configurations, its dimensions, weight and oil treatment index will vary slightly | |||





1. Comprehensive Contaminant Removal
Two-Stage Process: Combines vacuum dehydration (removes moisture and dissolved gases) with fine filtration (eliminates particulate matter), addressing multiple contaminants effectively in a single system.
2. Enhanced Efficiency
Achieves higher purity levels by sequentially targeting different impurities, ensuring thorough cleansing compared to single-stage systems.
3. Improved Transformer Performance
Cleaner oil enhances insulation and cooling efficiency, reducing energy losses and extending the transformer’s operational lifespan.
- Electrical Utilities: For maintaining the vast network of power generation, transmission, and distribution transformers.
- Industrial Manufacturing: To ensure reliable operation of transformers in factories, steel mills, and processing plants.
- Renewable Energy: For supporting the step-up transformers in wind farms and solar power installations.
- Mining and Oil & Gas: To guarantee power supply continuity in remote and harsh environments.
- Transportation: For maintaining traction transformers in railway systems and other infrastructure










