ZYD-M-50 Mobile Transformer Oil Purification Machine
ZYD-M-50 Mobile Transformer Oil Purification Machine is specially engineered for treating transformer oil and various types of insulating oil used in oil-filled electrical equipment. Utilizing advanced dehydration, degassing, and multi-stage filtration technologies, it effectively eliminates dissolved gases, moisture, solid particles, and other contaminants from the oil. After processing with the ZYD series transformer oil purification machine, the insulating oil achieves a significantly improved breakdown voltage, restored properties, and overall quality enhancement. This results in extended service life of both the transformer oil and the electrical equipment itself, while also boosting operational reliability.
In addition to its core oil purification function, the WEINENG ZYD-M-50 Mobile Transformer Oil Purification Machine can also serve as an integrated vacuum oil drying, vacuum oil filling, and vacuum pumping system for transformers, offering versatile utility in maintenance and commissioning operations. Functions or Key Applications: Purification and regeneration of transformer oil and insulating oils Vacuum drying and degassing of power transformers Vacuum oil filling during transformer installation or maintenance On-site pretreatment of insulating oil for high-voltage equipment.
Functions or Key Applications:
- Purification and regeneration of transformer oil and insulating oils
- Vacuum drying and degassing of power transformers
- Vacuum oil filling during transformer installation or maintenance
- On-site pretreatment of insulating oil for high-voltage equipment

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Product Features
- Equipped with an advanced dual-stage high-vacuum system, including a Roots pump, for ultra-efficient dehydration and degassing
- Capable of achieving extreme vacuum levels under 10pa for thorough removal of dissolved gases and moisture
- Three-stage filtration system with high accuracy and precision micro-filters for sub-micron particle removal
- PLC-based automatic control with real-time monitoring of oil temperature, vacuum level, and pressure
- Integrated anti-foaming and automatic oil level control systems for safe, continuous operation
- Suitable for heavy contamination and critical applications, including EHV/UHV transformers and large power equipment
- Functions as an all-in-one unit for purification, vacuum oil filling, drying, and transformer degassing
- Designed for robust, 24/7 operation with corrosion-resistant components and energy-efficient performance
- Optional parts like ppm sensor, flow meter, waterproof, trailer etc for customized requirements
- Mobile type, trailer and waterproof, best choice oil treatment onsite for outside projects
Product Specifications
Parameter | Specification |
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Model | ZYD-M-50 Mobile Transformer Oil Purification Machine |
Rated Voltage | 380V/50Hz/3Phase (customizable) |
Warranty | 18 months |
Flow Rate | 10-300 L/min (depending on model) |
Working Vacuum | -0.08 ~ -0.099 MPa |
Working Temperature | 40-70°C |
Water Content After Treatment | < 3 ppm |
Particle Removal Rating | ≤ 5 μm |
Gas Content After Treatment | < 0.1% |
Noise Level | < 70 dB |
Heating Power | 18-180 kW (depending on model) |
Total Power | 25-210 kW (depending on model) |
Dimensions (L×W×H) | Depends on Machine Capacity |
Weight | Depens on Machine Capacity |
Key Parameters
- Model: ZYD-M-50 Mobile Transformer Oil Purification Machine
- Rated Voltage: 380V, 50HZ, 3Phase(Customizable)
- Flow Rate: 50 L/min
- Working Vacuum: -0.08 ~ -0.099 MPa
- Working Temperature: 40-70°C
- Water Content After Treatment: < 5 ppm
- Particle Removal Rating: ≤ 3 μm
- Noise Level: < 70 dB
- Warranty: 18months
- Trailer mounted and enclosed steel box
Application Areas
The ZYD-M-50 Mobile Transformer Oil Purification Machine. Removes water, gas & particles. Restores dielectric strength. On-site service for utilities & plants. The Transformer Oil Purifier are engineered to meet the demanding requirements of various industries that rely on high-voltage electrical equipment and insulating oil performance. Key application areas include:
1. Power Generation & Distribution
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Power Plants: Thermal, Hydroelectric, Nuclear, and Wind Farms for maintaining insulating oil in generators, main transformers, and auxiliary system transformers.
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Transmission & Distribution: Substations at all voltage levels for on-line or off-line purification of power transformers, current/potential transformers, and bushings.
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Renewable Energy Stations: Solar PV plants and wind farms for initial oil filling during commissioning and periodic oil maintenance.
2. Heavy Industry & Manufacturing
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Heavy Machinery Manufacturing: Used by transformer manufacturers for oil filling and processing before shipment.
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Metallurgy Industry: Purifying oil in critical high-voltage equipment such as smelting furnace transformers and rolling mill main motors to ensure continuous production.
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Mining Operations: Serving power transformers in mining substations, capable of operating in harsh, dusty environments.
3. Oil, Gas & Chemical Processing
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Petroleum Industry: Maintaining transformers on offshore platforms and in onshore oil fields, handling oil potentially contaminated by moisture or hydrocarbons.
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Chemical Plants: Maintaining special transformers in explosive atmospheres, ensuring oil purity to eliminate safety hazards caused by oil degradation.
4. Transportation & Infrastructure
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Railway Systems: Maintaining traction substation transformers for electrified railways to ensure reliable power supply for electric locomotives.
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Marine and Shipping: Purifying insulating oil for marine transformers and shore power systems, resistant to high humidity in marine environments.
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Aviation Industry: Providing high-standard oil purification for power equipment at airport ground power systems and maintenance bases.
5. Key Infrastructure & Commercial Facilities
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Large Buildings & Data Centers: Maintaining insulating oil for backup power systems and critical substations ensuring uninterrupted power for essential facilities (e.g., data centers, hospitals).
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Urban Metro Systems: Maintaining transformers in metro traction power substations and auxiliary substations.
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Water & Wastewater Treatment: Servicing high-voltage electrical equipment in water treatment plants and pumping stations.
Our ZYD-M-50 Mobile Transformer Oil Purification Machine deliver critical insulation management wherever reliability is non-negotiable. From harsh outdoor sites to precision-driven industrial plants, we provide the robust solution to extend equipment lifespan, prevent costly failures, and ensure operational continuity across the entire power value chain. Friendly reminder: Contact us now for a full oil solution proposal or competitive price!
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