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Description
Javac DD400 2-Stage Vacuum Pump – 420 L/min
Accelerate your commercial HVAC-R workflow with the powerhouse Javac DD400, designed for rapid, deep evacuation of massive systems.
When tackling large-scale commercial plant rooms and extensive pipe runs, the Javac DD400 delivers professional-grade performance. Featuring heavy-duty, dual-stage oil rotary vane technology, this pump provides a massive 420 L/min displacement and pulls down to an ultra-deep 5 microns. Engineered specifically for demanding environments, it ensures moisture and non-condensables are completely removed with speed and precision.
Key Trade Benefits
- ✔ High-Volume Efficiency: 420 L/min flow rate reduces evacuation time on large commercial systems.
- ✔ Ultra-Deep Vacuum: 2-stage design achieves 5 microns for total system dehydration.
- ✔ A2L Compliant Safety: Specifically engineered for safe use with R32 and R1234yf refrigerants.
- ✔ System Protection: Built-in automatic solenoid valve prevents oil back-suck during power failures.
- ✔ Versatile Connectivity: Includes a tri-connector fitting for 1/4", 3/8", and 1/2" SAE hoses.
Technical Specifications
| Pump Design | 2-Stage Oil Rotary Vane |
| Displacement | 420 Litres / Minute |
| Ultimate Vacuum | 5 Microns |
| Compatibility | A2L (R32, R1234yf) and standard HFC/HCFC |
| Fittings | Tri-Connector (1/4", 3/8", 1/2" SAE) |
| Oil Capacity | 880 ml |
Expert Tip:
To maintain the 5-micron capability, change your vacuum pump oil frequently, especially after evacuating wet or contaminated systems. Regular oil maintenance protects the internal rotary vanes from corrosion and ensures peak performance.
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