Category: Pumps | Subcategory: Miscellaneous pumps
RUVAC WSU 501 PFPE Roots Pump
ITEM: 29535
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The RUVAC WSU 501 PFPE Roots Pump is driven by a canned motor. The WSU type of roots pumps have a pressure balance line between the discharge and intake flanges and are lubricated with mineral oil or perfluorized polyether (PFPE) in the case of the PFPE models.
Roots pumps - also known as Roots blowers - contain in their pump casing two symmetrical impellers rotating in opposite directions. The impellers have roughly the cross section of a figure 8 and are synchronized by a toothed gearing so that they move past each other and the casing without contact but with a small clearance.
Typical Applications:
- For applications which require a high pumping speed at pressures between 10-2 and 10-4 mbar (0.75 x 10-2 and 0.75 x 10-4 Torr)
- Used where the possibility of contamination due air ingress or pumped media leakage must be avoided
- Suction or pumping of high-purity or radioactive gases
- Is used in clean rooms were the air must not be recirculated by the motor‘s fan
Industry Applications Include:
- Large scale research
- Metallurgy/Furnaces
- Lamps and tubes manufacturing
- Central vacuum supply systems
- Freeze drying
- Leak testing systems
- Electrical Engineering
- High purity gases/closed refrigerant cycles
- Mechanical engineering
- Automotive industry
Advantages to the User:
- Two air-cooled lines WS/WSU, each with four pump sizes
- Highly leak-tight air-cooled pumps driven by a air-cooled canned motor
- Lubricated with mineral oil (alternatively with LVO 400)
- Over-temperature switch in the stator coil of the motor
- All elastomer seals made of FPM (FKM)/Viton
- No shaft feedthrough to the atmosphere, thus particularly leak-tight
Specifications:
- Motor Power: 3.3 hp
- Nominal Speed (approx.): 3600 rpm
- Max. Permissable Speed: 6000 rpm
- Weight: 297.7 lb (135 kg)