AMT Vacuum Pump (2RS-2) – 2 Stage
The (2RS-2) 2-Stage Vacuum Pump is a dependable, workshop-ready pump for vacuum bagging, resin infusion, and general composites vacuum applications. Built for consistent pull-down and stable vacuum, it features a durable housing, a carry handle, and a sight glass for quick oil-level checks.
Power spec: 220V / 50Hz delivering 4.5 CFM (free air displacement) with a 1/2 HP motor.
Key Features
- 2-stage vacuum pump for strong vacuum performance
- Free air displacement: 4.5 CFM (220V/50Hz) / 5 CFM (110V/60Hz)
- Oil sight glass for easy level monitoring
- Oil drain for easier oil changes
- Vacuum gauge included (packed separately for transit – see setup below)
Specifications (Model: 2RS-2)
| Model | 2RS-2 |
| Vacuum Stages | 2 Stage |
| Voltage / Frequency | 220V / 50Hz (also compatible variant listed as 110V / 60Hz) |
| Free Air Displacement | 4.5 CFM (220V/50Hz) / 5 CFM (110V/60Hz) |
| Ultimate Vacuum | 3 × 10-1 Pa |
| Rotating Speed | 2800 rpm (220V/50Hz) / 3500 rpm (110V/60Hz) |
| Power | 1/2 HP |
| Oil Capacity | 330 ml |
| Dimensions | 290 × 120 × 220 mm |
| Weight | 9 kg |
Before First Use (Important)
Please note: These vacuum pumps are shipped without oil already in vacuum pump.
AMT Composites supplies vacuum pump oil and includes it in the box as 3 × 140 ml bottles
Also note: The vacuum gauge is not connected when you receive the pump.
It is packed under the foam insert for protection during shipping.
- Unbox the pump and locate the vacuum gauge under the foam insert.
- Connect the gauge to the pump.
- Add vacuum pump oil into the oil reservoir (approximately 330 ml total).
Fill until the oil level is halfway up the sight glass (do not overfill). - Run the pump briefly to circulate oil, then re-check the oil level.
Normal Operating Note
It is normal for the pump to smoke slightly during use, particularly during initial use
or under heavy vacuum work. Operate in a well-ventilated area.





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