ZJ Series Vacuum Pump Unit

  • Vacuum pump units are widely used for efficient vacuum drying and vacuuming in the installation and maintenance of large transformers.
  • Suitable for vacuuming in substations, transformer manufacturing plants, and power plants.
  • YUNENG can provide 1000m³/h, 2000m³/h, 500m³/h, 150m³/h, and other models, you can choose according to your specific needs.

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What is the ZJ Series Vacuum Pump Unit?

  • Used widely for efficient vacuum drying and pumping in large transformer installation and maintenance.
  • The unit has a leakage rate of less than 1% equipped with anti-oil-back and automatic phase sequence systems to prevent pump reversal.
  • It is especially suitable for vacuuming in substations, power plants, transformer manufacturing, and various other industries like vacuum smelting, welding, chemicals, pharmaceuticals, vacuum coating, and electronics.

Features of Vacuum Pump Unit

  1. ZJ Series uses an air-cooled rotary vane and roots pump for efficient operation.
  2. Achieves a working vacuum of 50Pa, with a maximum of 10Pa during operation, and an ultimate vacuum of 1-3Pa.
  3. Quick start, high pumping speed, stability, and easy operation.
  4. It is equipped with LCD displays, mobile features, and a user-friendly design for low noise, energy efficiency, and low operating costs.
  5. Fully automatic with an indicator light for unattended operation and easy monitoring of the running status.
ZJ Series Transformer Vacuum Drying Machine
ZJ Series Transformer Vacuum Drying Machine

Vacuum Pump Unit Specification

Parameter Unit ZJ-70 ZJ-150 ZJ-300 ZJ-600 ZJ-1200
Power Supply 50Hz    380V    3-Phase 4-Wire  (or as requested)
Power KW 4 6.5 7 11 18.5
Limit Vacuity Pa ≤3
Pumping Speed L/S 70 150 300 600 1200
Pumping Level 2
Connection Diameter mm 50 80
Size Length mm 1200 1300 1400 1600 1750
Width mm 950 100 1100 1200 1300
Height mm 1500 1600 1700 1900 2100
Weight Kg 300 400 500 1250 1560

The machine size and weight will change slightly due to different configurations.

Flow Chart of ZJ Series Vacuum Pump Unit

Flow chart of ZJ series vacuum pumping unit


Rich Experience

Leading manufacturer in industrial oil and gas treatment with more than 25 years experiences.

Tailored Design

Specializes in making your systems suit your needs & requirements. Every system is custom engineered & custom designed. 

Professional Technical Team

Professional pre-sales, in-sale and after-sales service team to meat customer’s requirement

Reliable Quality, Durable System

Top-quality components and workmanship ensure high performance