Haoshuo offers a comprehensive range of Transformer Vacuum Equipment designed for efficient oil filtration, degassing and drying in transformer manufacturing and maintenance.  From vacuum drying ovens and chambers to oil-filling machines and vacuum pumping systems, each Haoshuo product is engineered to maximize insulation performance and transformer reliability.  Likewise, its vacuum oil filling units allow transformers, bushings and capacitors to be filled under deep vacuum to eliminate moisture.  These high-performance systems feature robust vacuum pumps, PLC controls and custom sizes, ensuring consistent results for demanding applications. 


As a professional, ISO-certified manufacturer focused on the transformer industry, Haoshuo combines decades of experience with stringent quality control to deliver reliable vacuum equipment tailored to customer needs.


Model / Product NameTechnical Specifications
Epoxy Resin Vacuum Casting Equipment(for Dry-Type Transformers)Tank sizes: Custom φ2000×2200mm up to φ3200×3500mm
Vacuum: ≤50 Pa; working pressure ~0.1–0.4 MPa
Mixers: Heated mixing & degassing tanks for resin and hardener
Pump: Main vacuum pump ~300 L/s; PLC+touch-screen control
Kerosene Vapor Phase Drying Equipment (KVPD)Vacuum tank size: 7000×4500×4500mm to 16000×6000×7000mm
Max temp: 135 °C; Temperature precision ±5 °C
Vacuum: Ultimate ~10 MPa (non-load)
Power: Heater ~5.5 kW; hydraulic systems, condensers, etc.
Vacuum Annealing FurnaceCertifications: CE, ISO; Horizontal configuration
Cooling: Water cooling pressure ~0.1–0.3 MPa
Vacuum: Industrial vacuum furnace for cores
Vacuum Drying Furnace / OvenTemp: Up to 150 °C (±5 °C); vacuum down to ~20 Pa
Vacuum: Limit ~20 Pa; leakage ≤100 Pa·L/s
Control: PLC automation with touchscreen; variable-pressure cycle
Vacuum Oil Filling EquipmentPower: 3.1 kW; Voltage 380 V/50 Hz
Workroom size: 470×440×110 mm; Cycle 3–4 fills/min
Construction: Stainless steel vacuum tank, heater (optional), vacuum pump
Vacuum Pressure Impregnation (VPI) EquipmentTanks: Cylindrical vacuum tanks (DN1200–DN2000) with lengths up to 18 m
Capacity: 4.6–55 m³ (varies by model)
Vacuum: Up to –0.098 MPa; Pressure up to 1.0–1.58 MPa
Control: Fully automatic operation; safety alarms (over-pressure, completion)
Vacuum Oil Purifier (Filtration) MachineFlow: 600–18,000 L/h (depending on model)
Vacuum: Operating vacuum ~–0.06 to –0.095 MPa
Power: Total power 38–147 kW (varies by model)
Moveable Vacuum Pumping SystemSetup: Portable vacuum pumping skid (typically includes vacuum pump + oil/gas separation tanks)
Capacity: Flexible (up to 3000–10000 L/s vacuum pumps)
Vacuum Chamber: Portable vacuum chamber option (for small transformers)


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Key HaoShuo Advantages:


  1. Engineered for Peak Performance: Optimized Vacuum Processing Chambers and robust pumping systems ensure rapid, deep, and consistent vacuum levels for thorough Transformer Drying and Degassing Solutions.

  2. Enhanced Production Efficiency: Streamlined designs minimize cycle times for Transformer Vacuum Processing, boosting throughput in Dry Type Transformer Assembly lines.

  3. Precision Vacuum Casting: Industry-leading Vacuum Casting Technology ensures perfect resin flow and complete impregnation, critical for defect-free Dry Type Transformers.

  4. Customization & Scalability: We offer tailored Vacuum Treatment Solutions to meet specific requirements of different Transformer Insulation Processes and production volumes.

  5. Reliability & Durability: Built with premium materials and rigorous quality control, our systems guarantee consistent operation for Transformer Manufacturing.

  6. Expert Technical Support: Backed by deep expertise in Vacuum Technology for Transformers, our team provides comprehensive service and guidance.


Located in Wuxi, China's industrial heartland, HaoShuo is committed to empowering global manufacturers with the most efficient and reliable Transformer Vacuum Equipment and Vacuum Processing Solutions for superior quality dry type transformers.


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shirley@transformermachines.com mischa@transformermachines.com
+86 188 0056 1506 +86 159 6188 5882