Vacuum Pressurizing Impregnation (VPI) System for Motor
Windings Advanced Industrial VPI Equipment for High-Voltage Motors and
TransformersOur high-capacity vacuum pressurizing impregnation system (VPI system) is designed to deliver superior insulation for high-voltage motors, special anti-explosion
motors, and transformer coils. This industrial VPI equipment improves mechanical strength, electrical insulation, moisture resistance,
and mold protection of windings, ensuring long-term reliability and efficiency in motor and transformer production. The system provides vertical installation, along with on-site installation, commissioning, and operator training. Complete foundation drawings, manuals, and technical documentation are included to streamline setup and maintenance. This automated resin impregnation system is ideal for motor manufacturing plants, transformer production lines, and
anti-explosion motor assembly workshops.
Supply Scope of the VPI SystemThe full VPI system package includes: Vacuum Pressurizing Impregnating System with high-capacity impregnation tank Resin Storage and Circulation System with precise heating and cooling control Multi-stage Industrial Vacuum System with buffer tanks Hydraulic System for automatic tank cover operation Pressurizing System including air compressor, dryer, filters, and
storage tank Cooling System for temperature-regulated resin management Heating System for maintaining optimal resin viscosity Pneumatic System supplying dry air for valves Resin Supply and Return Valve System for automated resin circulation Electrical Control System with PLC automation, LCD interface, and data logging Complete Installation Materials
Key Specifications of Vacuum Pressurizing Impregnation Equipment| Component | Specification | Key Features |
|---|
| Vacuum Impregnation Tank | Φ2000×3000mm | 0.6 MPa pressurization, 100–200 Pa vacuum, hydraulic cover,
explosion-proof sight windows, silicone sealing | | Resin Storage Tank | Φ2200×2500mm | Multi-layer paddle agitator, vacuum -0.09 MPa, heating &
cooling, magnetic level gauge | | Vacuum System | H-150 slide valve + ZJ600 Roots pump | 600 L/S pumping speed, buffer tank, digital & contact vacuum
gauges | | Hydraulic System | 12 MPa | Tank cover operation, adjustable speed, anti-descent safety | | Pressurizing System | Screw air compressor, 15 kW | 0.6 MPa controllable pressurization, air dryer, precision filter | | Cooling System | 20 HP | Ethylene glycol circulation, automatic temperature control,
computer monitoring | | Heating System | 48 kW | Electric heating with insulation layer, automatic temperature alarm | | Pneumatic System | 0.4–0.7 MPa | Dry air supply for valves, solenoid-operated | | Resin Supply & Return | Vacuum differential pressure type | Magnetic resin filter, automatic pneumatic flange ball valve | | Control System | PLC + 21” LCD | Real-time monitoring of vacuum, pressure, resin temperature, liquid
level; automated data logging & printing |
Benefits of Our High-Capacity VPI EquipmentEnsures complete insulation for high-voltage motors and anti-explosion
motors Provides uniform transformer resin impregnation with high precision Automated resin circulation, heating, and cooling for process efficiency Integrated vacuum and pressurization control for deep resin penetration Real-time monitoring, data logging, and printing for quality traceability Safety features including overpressure alarms, explosion-proof sight windows, and hydraulic
interlocks Designed for easy maintenance, including on-site training, foundation drawings, and detailed
manuals
Compliance and WarrantyManufacturing Standards: GB150-1998, JB/T4709-2000, JB/T7674-95 Warranty: 13 months from shipment (excluding misuse, force majeure, or
intentional damage)
This high-efficiency VPI system is ideal for motor manufacturers, transformer producers, and industrial
insulation facilities. With advanced vacuum pressurizing technology, automated resin
circulation, and precise temperature control, it guarantees superior insulation, process consistency, and reliable motor and
transformer performance. |
