DJW800A Breathing Air Compressor

DJW800A is a high-flow, high-pressure breathing air compressor. It adopts a four-cylinder, four-stage compression design and is equipped with an 18.5 kW motor, a Siemens PLC controller, and a touchscreen display. It is suitable for firefighting, diving, emergency rescue, marine, industrial safety, and other working scenarios that require breathing air cylinder filling. The unit features automatic shutdown, automatic condensate drainage, oil pressure protection, phase sequence protection, maintenance reminders, and fault reminders, providing intelligent operation, reliable performance, and high cylinder filling efficiency.

This model has a rated flow of 800 L/min and a maximum working pressure of ≤420 bar. It uses belt drive, air cooling, and oil pump lubrication, and is equipped with four G5/8 cylinder filling ports, capable of meeting the demand for simultaneous filling of multiple cylinders.

DJW800A Breathing Air Compressor — International Specification Sheet

Product Features

• High Flow and High Pressure
  Rated flow of 800 L/min (28.3 CFM) and maximum working pressure of ≤420 bar (≈6,092 psi), delivering fast and efficient breathing air cylinder filling.

• Four-Cylinder, Four-Stage Compression
  Advanced four-cylinder, four-stage compression design ensures stable pressure output, high efficiency, and reliable performance under demanding conditions.

• Intelligent PLC Control System
  Equipped with a Siemens PLC controller and touchscreen display for intuitive operation, real-time monitoring, and convenient parameter management.

• Multiple Safety Protections
  Built-in phase sequence protection and oil pressure protection help prevent abnormal operation and improve equipment safety.

• Automatic Shutdown and Drainage
  Supports automatic shutdown and automatic condensate drainage, reducing manual intervention and ensuring safe, unattended operation.

• Maintenance and Fault Alerts
  Maintenance reminders and fault indications help users perform timely service and quickly identify operational issues.

• Reliable Cooling and Lubrication
  Air-cooled design with oil pump lubrication and an oil filtration system ensures stable operation and extended service life.

• Multi-Cylinder Filling Capability
  Equipped with four G5/8 filling ports, allowing simultaneous filling of multiple cylinders and improving working efficiency.

• Belt Drive and Stable Operation
  Belt transmission provides smooth running, mature structure, and easy maintenance.

• Compact and Durable Construction
  Approximate dimensions of 1500 × 860 × 1550 mm and weight of 400 kg, suitable for fixed installation in various working environments.

Large-Capacity High-Pressure Breathing Air Compressor — Six Core Industry Applications

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.