Vacuum Impregnation Plant
Vacuum Pressure Impregnation (VPI) is a process that uses vacuum and pressure to seal porous materials with varnish or resin. The process is used primarily for HT/LT motors, HV motors, Traction motors, generator coils etc. to fill gaps in materials to create a void free insulation in various devices. Industrial electromechanical equipment is designed for durability to provide reliable function and increased longevity, but age, temperature, and environmental factors can degrade porous metals over time. The process of impregnation seals porous materials with varnish, epoxy resin, Pu, Silicon, improving the function and longevity of equipment
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