Product Overview
Varian DS 202 Dual-Stage Rotary Vane Vacuum Pump – Used
The Varian DS 202 (949-9320) is a dual-stage rotary vane vacuum pump built for reliable laboratory and industrial rough vacuum applications.
First developed by Varian to meet the demanding standards of research labs and process industries, the DS series pumps are known for their rugged construction and stable performance. This pump still holds its vacuum smoothly—its survival story continues, but its next chapter belongs to you.
Product Condition
Used, in good cosmetic and working condition. Tested to hold 27.7 inHg during a quick test with no issues. Runs smoothly and performs as expected. Pump oil will be drained before shipping and must be refilled prior to use.
Product Overview
The Varian DS 202 delivers a pumping speed of 5.8 CFM (9.8 m³/h) at 60 Hz and achieves an ultimate pressure of 2 x 10⁻³ mbar (when new). Equipped with a dual-stage rotary vane design and a 120V single-phase motor, it is well suited for consistent rough vacuum generation in both laboratory and industrial settings.
Key Features
- Model: DS 202 (Varian part 949-9320)
- Dual-stage rotary vane design
- Pumping speed: 5.8 CFM (9.8 m³/h) at 60 Hz
- Ultimate pressure: 2 x 10⁻³ mbar (when new)
- Inlet/Exhaust flange: DN 25KF
- Motor: Single-phase, 120V, 60 Hz
- Compact footprint suitable for benchtop or equipment integration
Applications
- Laboratory vacuum systems
- Industrial process vacuum applications
- Research and testing environments
- General-purpose rough vacuum generation
- Support equipment for analytical instruments
- Vacuum drying and degassing processes
Frequently Asked Questions
What is the pumping capacity of this unit?
The DS 202 provides 5.8 CFM (9.8 m³/h) at 60 Hz.
What is the ultimate pressure?
When new, the DS 202 is rated to reach 2 x 10⁻³ mbar.
What power does the motor require?
This model runs on a single-phase 120V, 60 Hz supply.
Which flange type does it use?
The pump has DN 25KF inlet and exhaust flanges.
Does the pump ship with oil?
No. Oil will be drained prior to shipment and must be refilled before operation.
This listing is for one Varian DS 202 Dual-Stage Rotary Vane Vacuum Pump, in used condition, as described above.