Roots Vacuum Pumps

Applications:

• Mechanical Engineering
• Chemical Industry
• Semiconductor Production
• Research

. . . these are the fields in which the Roots vacuum pump has proven its worth. It is used whenever high volume flow rates are needed in the rough and medium vacuum range. In addition to the standard series for universal use, Pfeiffer Vacuum provides systems and accessories for solving complex problems.

For gases and vapors, whether they are aggressive, corrosive, toxic, explosive or extremely pure. Reliable, economic and ecologically beneficial pump combinations are designed for these as well.

Superior performance from

• In-house production
• Integrated overflow valve
• High compression ratio
• Canned motor as an option
• Corrosion protection as an option
• Accessories tailored to the application

Helical gears

• Very quiet operation

Gear chamber evacuation

• Shorter evacuation time for rapid evacuation
• No contamination of the process gas

Overflow valve

• Overload protection
• Shorter evacuation time

Test connections
(on intake and discharge side)

• Process monitoring

Standardized connections

• Adapts easily

Vertical delivery flow

• No dirt on inner surfaces

Heating or cooling connection

• Allowing heating or cooling as required

Viton® seals

• Long working life
• High reliabillty

Standard motor

• With thermistor sensor

Sealing gas connection

• For gas purge protection when aggressive media are pumped

Models: WKP 250 A, WKP 500 A, WKP 1000, WKP 2000, WKP 4000, WKP 8000, WKP 12000, WKP18000, WKP 25000

Pfeiffer Vacuum, Inc., 24 Trafalgar Square, Nashua, NH 03063-1988. Phone: 603-578-6500; Fax: 603-578-6550.

Viton® is a registered trademark of DuPont Performance Elastomers.