Category: Pumps | Subcategory: Miscellaneous pumps

RUVAC WSU 501 PFPE Roots Pump

RUVAC WSU 501 PFPE Roots Pump Image

ITEM: 29535 In Stock

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RUVAC WSU 501 PFPE Roots Pump ImageRUVAC WSU 501 PFPE Roots Pump Image

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)

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