Dejue Product Selection
Dejue Compressors · Product System Overview
PET Bottle Blowing Oil-Injected Booster Compressor
4 Models · Specifications at a Glance
System Overview
This is the Dejue DJZ-2-30(40) Oil-Injected Booster Compressor series, covering 4 models, with core parameters: discharge pressure 0.8 MPa, flow rate 2–8 M³, motor power 15–30 kW.
This page summarizes the complete specifications of every model in the series for quick comparison and selection. For specific configurations, media compatibility and custom requirements, please consult the manufacturer for a formal proposal.
Model & Parameter Overview
| Model | Inlet Pressure (MPa) | Discharge Pressure (MPa) | Flow Rate (m³/min) | Power (kW) | Cooling Method | Net Weight (kg) | Dimensions mm (L×W×H) |
|---|---|---|---|---|---|---|---|
| DJZ-2/30(40) | 0.8-1.0 | 3.0-4.0 | 2 | 15 | Air-cooled | 450 | 1500*850*1100 |
| DJZ-4/30(40) | 0.8-1.0 | 3.0-4.0 | 4 | 18.5 | Air-cooled | 650 | 1850*900*1300 |
| DJZ-6/30(40) | 0.8-1.0 | 3.0-4.0 | 6 | 22 | Air-cooled | 720 | 1850*900*1400 |
| DJZ-8/30(40) | 0.8-1.0 | 3.0-4.0 | 8 | 30 | Air-cooled | 850 | 2000*1000*1500 |
Notes:* Gas media: air / nitrogen / natural gas; for other media please consult our sales staff
Applications
PET bottle blowing: provides stable medium- and high-pressure air for preform blowing;
Leak & pressure testing: high-pressure air-tightness inspection and pressure-endurance testing of pipelines, vessels, valves and other workpieces;
Natural gas / nitrogen boosting: boosting, transportation and storage of natural gas and nitrogen;
High-pressure cylinder filling: industrial gas cylinders and other high-pressure filling applications;
Multi-media boosting: supports air, nitrogen, natural gas and other media for a wide range of applications.
Product Features
High-pressure boosting: boosts 0.8–1.0 MPa low-pressure sources to 3.0–4.0 MPa with high pressure ratio and stable performance;
Air-cooling system: no water cooling required, easy installation and on-site layout;
Oil-lubricated: oil-lubricated reciprocating piston booster, reliable and durable;
Multi-gas media: supports air, nitrogen, natural gas and other media for a wide range of applications;
Energy-efficient: boosts existing low-pressure air sources to maximize energy savings and reduce production costs;
Low noise, low vibration and high durability for stable, reliable long-time continuous operation;
Uses high-quality SKF bearings and premium parts for durability and long service life;
Intelligent control system: complete instrumentation and valve groups with real-time monitoring, simple operation, and comprehensive pressure, temperature and safety protection;
The factory is ISO 9001 certified and holds a national industrial product production license; products pass multiple machining, inspection and endurance test processes with strict control from component selection to final delivery;
1-on-1 professional selection guidance, installation & commissioning training and regular follow-up inspections; multiple service centers nationwide provide fast after-sales support.
Product Images

Selection & Contact
For selection and quotation based on your operating conditions (air-consuming equipment, flow rate, pressure, power supply, cooling method, continuous/intermittent operation, oil-free requirement, installation space, budget and delivery time),
please provide a brief description of the above requirements and Dejue will arrange technical/sales staff to prepare a solution for you. Parameters on this page are based on the manufacturer's latest technical data; the formal contract and technical agreement shall prevail.
