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Puma WP 0250 / 0500 D2/D4

Higher pumping speed and improved ultimate pressure: Puma WP vacuum boosters increase the performance of your vacuum system, making it more efficient and economical. Available in nine different sizes, Puma WP vacuum boosters can be designed to perfectly suit all rough and medium vacuum applications in which the performance of the backing pump must be drastically increased or optimally adapted to the process.

The Puma WP 0250 D and WP 0500 D are the two smallest vacuum boosters in this series. The WP 0250 D4 and WP 0500 D4 versions are characterized by a particularly high differential pressure.

Puma WP vacuum boosters are perfect for all types of backing pumps. When used as a combination of a backing pump and a booster pump together, they are capable of increasing the pumping speed and ultimate pressure by a factor of 10.

As a result, these pump combinations can generate a suction performance which would otherwise only be possible with a large number of backing pumps.

The Puma WP can be controlled using a pressure switch that activates lobe booster once the backing pump has achieved the optimum pressure.
Alternatively, the Puma WY is also available in versions that are controlled by frequency converters.

Puma WP vacuum boosters can be flanged directly onto the backing pump or in any other position on the system.


Would you like to know more?
Contact us directly (Busch United States):
+1 757 463 7800 Get in contact

Technical specifications
Within the housing of Puma WP vacuum boosters, two lobes rotate synchronously. Due to the special profile of the rotating lobes and their precise manufacturing, they do not come into contact with each other or the housing. This allows for pumping without any operating fluids. The synchronous rotation of the two lobes is driven by a pair of gear wheels located on the shaft ends in the gearbox, and separated from the compression chamber. The vacuum boosters are driven by a directly flanged electric motor.

Vacuum boosters from Busch
In addition to the Puma WP series, Busch also manufactures other rotary lobe vacuum boosters in a range of sizes. When used on vacuum systems, they cover virtually all industry applications including research and science sectors. Contact a knowledgeable Busch application specialist for additional information.


Puma WP 0250/0500 D2/D4
Puma WP 0250/0500 D2/D4
Pumping speed Pumping speed 60 Hz
Pumping speed
Technical data Puma WP 0250 D4 Puma WP 0500 D2 Puma WP 0500 D4
Max. pumping speed ACFM 60 Hz 163 308 306
Pumping speed 60 Hz * **
Maximum pressure differential Torr 60 Hz 60 40 60
Nominal motor rating kW (HP) 60 Hz 1.2 (1.6) 3.0 (4.0) 2.4 (3.2)
Nominal motor speed RPM 60 Hz 1800 3600 1800
Approximate weight Lbs. 290 390 420
Dimensions (L x W x H) inches 31 1/2 x 12 3/8 x 19 1/2 32 1/2 x 12 3/8 x 19 1/2 38 1/2 x 12 3/8 x 19 1/2
Gas inlet / Gas outlet DN 63 ISO-F / DN 63 ISO-F DN 63 ISO-F / DN 63 ISO-F DN 160 ISO-F / DN 160 ISO-F
Nominal displacement CFM 60 Hz 165 310 310
All performance data is based on ambient conditions of 14.7 PSIA and 70°F, and has a tolerance of ± 10%.      
* with COBRA NC 0100 as backing pump ** with COBRA NC 0200 as backing pump

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