DJW540A High-Pressure Air Compressor

The DJW540A is a high-flow, high-pressure intelligent air compressor unit. It adopts a four-cylinder, four-stage compression structure, with an air displacement of up to 540 L/min and a working pressure of ≤420 bar. The unit integrates air cooling, oil pump lubrication, belt drive, automatic shutdown, automatic condensate drainage, and Siemens PLC intelligent control. It is suitable for applications requiring high-pressure clean air filling, such as firefighting breathing air cylinders, diving cylinders, emergency rescue, and industrial high-pressure air sources.

DJW540A — International Technical Specifications (with Unit Conversions)

DJW540A Breathing Air Compressor Features

• 540 L/min, ≤420 bar; high pressure and high flow for fast cylinder filling.

• 4-cylinder, 4-stage compression; stable operation and low exhaust temperature.

• Siemens PLC + touch screen; intelligent control.

• Phase sequence and oil pressure protection; automatic shutdown on fault.

• Automatic shutdown and automatic condensate drain; worry-free operation.

• Oil pump lubrication + oil filter; wear-resistant and durable.

• Air cooling + belt drive; no water cooling required, easy maintenance.

• G5/8 × 4 filling connections; multiple cylinder filling.

• Maintenance reminder and fault indication; clear status display.

I. Diving Bases and Underwater Operations
Application scenarios: diving clubs, diving training bases, commercial diving, underwater engineering, salvage and rescue.
Main use: filling SCUBA diving cylinders; supports simultaneous filling of multiple cylinders.
Recommended reason: large flow, high pressure, and four filling ports, making it suitable for high-frequency centralized filling at diving bases.

II. Firefighting Forces and Emergency Rescue
Application scenarios: urban firefighting, forest firefighting, special rescue, earthquake rescue, hazardous materials response.
Main use: filling SCBA positive-pressure air breathing apparatus cylinders.
Recommended reason: automatic shutdown, automatic condensate drainage, oil pressure protection, and phase sequence protection, suitable for high-frequency emergency use.

III. Centralized Air Supply and Cylinder Filling Stations
Application scenarios: organizational breathing air filling stations, third-party cylinder filling, inspection stations, firefighting training bases.
Main use: centralized filling of multiple cylinders, cylinder refilling after inspection, centralized breathing air supply.
Recommended reason: 800 L/min large flow and four G5/8 filling ports, supporting simultaneous filling of multiple cylinders with high efficiency.

IV. Vehicle-Mounted / Skid-Mounted Mobile Filling
Application scenarios: mobile filling vehicles, fire trucks, emergency rescue vehicles, field operations, remote areas.
Main use: vehicle-mounted or skid-mounted breathing air filling, rapid on-site air supply.
Recommended reason: compact structure, belt drive, and air cooling; suitable for vehicle-mounted/skid-mounted integration with flexible mobility.

V. Ships and Marine/Offshore Engineering
Application scenarios: ocean-going vessels, cruise ships, ports, offshore platforms, offshore wind farms, underwater engineering vessels.
Main use: shipboard breathing air cylinder filling stations, breathing air supply for offshore operations.
Recommended reason: large capacity and high pressure, stable and reliable, suitable for centralized filling on ships and offshore.

VI. Petrochemical, Mining, and Industrial Safety
Application scenarios: petrochemical plants, refineries, chemical plants, coal mines, metal mines, power plants, tunnels, subways, confined spaces.
Main use: air supply or cylinder filling for industrial respirators, escape respirators, and airline respirators.
Recommended reason: multiple protections, automatic condensate drainage, oil pump lubrication, and oil filtration, suitable for harsh industrial environments.

Why Choose Us

1. International Standards, European & American Quality
   Designed and built to European and American standards, compliant with multiple international regulations, exported worldwide.

2. Dual Brands, Global Service
   Dejue serves overseas markets; Baosi serves China. Shared R&D and quality control ensure fast response.

3. Own Factory, Controllable Quality
   20-mu production base (approx. 13,334 m² / 3.3 acres), standardized workshops, full-process quality control.

4. High Pressure & Large Flow, Wider Applications
   Up to 50 MPa (500 bar / 7,250 psi) and 50 m³/min (50,000 L/min / 1,765 CFM), covering firefighting, diving, leak testing and more.

5. Customizable, Flexible Fit
   Custom designs available to meet different national and industry standards.

6. High Cost-Performance, Lower TCO
   Comparable quality to imported brands, with significantly lower total cost of ownership.

7. Reliable & Durable, Easy Maintenance
   Selected materials and proven processes ensure stable operation, less downtime and lower maintenance.

8. Rich Export Experience
   Familiar with overseas standards and export procedures; supports international distributors.

Choose us for stable, professional and cost-effective high-pressure air solutions.