Vacuum Solutions for Perfect Transformer Insulation by Leybold
In power transformer manufacturing, insulation quality directly determines the reliability and service life of the equipment. Leybold – a global expert in vacuum technologies – offers innovative solutions for every stage of insulation processing, ensuring unprecedented quality and compliance with strict international standards.

Critical Stages of Insulation Processing
1. Vacuum Impregnation

Complete air removal from insulation materials

Deep penetration of impregnation compounds

Operating vacuum down to 0.1 mbar

2. Vacuum Drying

Removal of residual moisture (residual content <0.5%)

Multi-stage temperature control

Pressure down to 0.01 mbar

3. Oil Degassing

Removal of dissolved gases

Prevention of partial discharges

Maintenance of stable dielectric properties

Technological Advantages of Leybold
✔ DRYVAC-based systems – dry oil-free pumps for clean processes
✔ Intelligent control – precise real-time parameter monitoring
✔ Energy-efficient solutions – up to 40% energy savings
✔ Full automation – integration into production lines

Key Products
DRYVAC DV 650/1600 – for drying and impregnation

RUVAC WH 7000 – booster pumps

Gas Coolers – condensation of oil vapors

Monitoring Systems – process quality control

Economic Efficiency
Implementing Leybold solutions allows:

Reducing processing time by 30%

Lowering energy consumption by 35%

Decreasing defect rates to 0.1%

Increasing transformer service life by 40%

Leybold – Your Partner in Reliable Transformer Manufacturing!
As the official Leybold distributor in Latvia, PWMI offers:

🔹 Technical audit of your production
🔹 Equipment selection tailored to your tasks
🔹 Supply of original vacuum systems
🔹 Commissioning services
🔹 Maintenance and support

Ready to elevate your insulation quality?
📞 +371 251 65 233 | ✉ office@pwmi.lv