ZJ-1200
4000m3/h Ultra-High Vacuum Pumping System | UHV Transformer Manufacturing
- The YUNENG ZJ-1200 ultra-high vacuum pumping system is designed for high-voltage and UHV transformer manufacturing, vacuum drying, evacuation, and vacuum oil injection.
- With a 1200 L/s pumping rate, three-stage pumping structure, and ultimate vacuum of ≤1 Pa, the system provides rapid and stable evacuation for large transformer chambers and critical electrical equipment.
- It is particularly suited for 1100 kV UHV transformer core and body manufacturing, high-precision vacuum treatment, and demanding power infrastructure applications.
Specification of 4000m3/h Ultra-High Vacuum Pumping System
The ZJ-1200 is a top-tier ultra-high vacuum pumping system for the highest 1100 kV UHV transformer core and body manufacturing. Three-stage pumping structure delivers an extremely high vacuum level for critical processes.
It provides top-level performance and supports long-term heavy-duty industrial operation. It integrates a professional GIS vacuum port to meet high-precision requirements of critical UHV GIS components.
| Item | Name of Parameter | Unit | ZJ-1200 |
| Technical parameters | Pumping rate | L/s | 1200 |
| Limit vacuum | Pa | ≤1 | |
| Pumping level | / | 3 | |
| Working power | / | AC380V 50Hz, 3P or as per buyer’s option | |
| Total power | kW | 27 | |
| Vacuum connection | DN | 80 | |
| Size | mm | 2200*1750*2000 | |
| Weight | kg | 2200 | |
| *Due to different equipment configurations, its dimensions, weight will vary slightly. | |||
Acvantages of 4000m3/h Ultra-High Vacuum Pumping System
1. Top-Tier Ultra-High Vacuum Precision
Three-stage pumping delivers ≤ 1 Pa ultimate vacuum, removing trace moisture and gas from core components.
2. Super-Large-Volume Processing
1200 L/s pumping rate handles the largest transformer chambers quickly, meeting top UHV manufacturing standards.
3. Industrial-Grade Long-Term Stability
Premium components and rugged design ensure consistent performance under continuous heavy duty.
4. Advanced Automated Control
Intelligent system supports auto regulation, data logging, self-diagnosis and real-time alarms.
5. Extremely Low Failure Rate
Optimized design and high-quality parts ensure high reliability, long service life and minimal downtime.
Application of 4000m3/h Ultra-High Vacuum Pumping System
1. 1100 kV UHV Transformer Core Production
Creates ultra-high vacuum conditions to guarantee magnetic and dielectric performance of core assemblies.
2. Flagship UHV Transformer Manufacturing
Used for final assembly and high-precision vacuum treatment of top-tier 1100 kV UHV transformers.
3. International Mega Power Projects
Applied in cross-border transmission and global high-end power infrastructure programs.
4. Advanced Transformer R&D & Laboratory Testing
Provides stable, repeatable ultra-high vacuum for new product development and performance testing.
5. High-End GIS Precision Vacuum Treatment
Delivers ultra-high-precision evacuation for critical GIS components in UHV substations.
















