Category: Pumps | Subcategory: Vacuum Pumps

Welch 8905 Direct Drive High Vacuum Rotary Vane Dual Stage Mechanical Vacuum Pump Model 8905A

Welch 8905 Direct Drive High Vacuum Rotary Vane Dual Stage Mechanical Vacuum Pump Model 8905A Image

ITEM: 21823 In Stock

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Welch 8905 Direct Drive High Vacuum Rotary Vane Dual Stage Mechanical Vacuum Pump Model 8905A ImageWelch 8905 Direct Drive High Vacuum Rotary Vane Dual Stage Mechanical Vacuum Pump Model 8905A Image

The Welch 8905 Direct Drive High Vacuum Rotary Vane Dual Stage Mechanical Vacuum Pump Model 8905A is designed to be used for a variety of applications including vacuum furnace evacuation, backing turbomolecular pumps, backing diffusion pumps, rotary evaporation, and refrigeration system evacuation to name a few. Additionally, the Welch 8905 offers an excellent ultimate pressure of 1x10-4 Torr and has a pumping speed displacement of 1.8 CFM.
Specifications:
- Free Air Displacement: 1.8 CFM (52L/min)
- Pumping speed: 1.5 CFM (43 L/min)
- Ultimate pressure: 1 x 10-4 Torr
- Water vapor tolerance: 6 Torr (30 g/hr)
- Weight: 24.5 lbs (11.1 kg)

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