Varian DS-402 is a dual stage rotary vane pump with a pumping speed of 12.3 cfm at 60Hz and a ultimate total pressure of 2 x 10-3 mbar.
The DS-402 has a built-in oil sheild and forced oil circulation, an anti-suckback valve, gas ballast valve and forced air ventlation. It's a rotary vane mechanical vacuum pump with a 1 phase motor. It is reliable and operates at low noise levels with the antinoise system.
Rebuilt or Remanufactured Varian 402 Vacuum Pumps:
All rebuild prices include disassembly, inspection & cleaning. Replacement of seals, gasket, springs, o-rings & valves. Other parts replaced as required upon approval for an extra charge. Pumps are then tested & painted.
Varian DS 402 Vacuum Pump Applications:
- Analytical Instruments
- Vacuum Lamination
- Vacuum Processes
- Leak Detection
- Electron Microscopes
- Research and Development
- Laboratory Experimentation
Varian DS 402 Vacuum Pump Features:
- Dual Stage Pump
- Forced Air Ventilation
- Built-in Oil Shield
- Quiet operation
- Low Operatng temperature
- Good pumping efficiency
- Minimal backstreaming at low pressure
Varian Vacuum Pump Specifications: DS-Series
|Vacuum Pump Model||DS 102||DS 202||DS 302||DS 402||DS 602|
|Free Air Displacement||cfm||4||6.8||10||14.5||21.4|
|Free Air Displacement||l/m||114||192||285||410||605|
Varian DS 402 Speed Curves and Dimensional Drawings:
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