The oil-free screw pump VACUU·PURE 10 is ideal for clean processes in physics



10-3 mbar vacuum range

+ 100% oil-free

+ No abrasion

+ No wear parts


VACUU·PURE 10Screw pump
for non-corrosive applications

The dry screw pump VACUU·PURE® 10 reliably delivers the benefits of oil-free vacuum technology in the pressure range down to 10-3 mbar. VACUU·PURE 10 combines three important benefits for the user: 100% oil-free, no abrasion, and no wear parts.

VACUU·PURE 10 is ideal for clean processes which require a dry and hydrocarbon-free vacuum. The spindles of the screw pump run contact-free and are thus free of abrasion and wear. The screw pump is especially designed for processes in the vacuum range down to 10-3 mbar, however unlike other fine vacuum technologies it can be used across the entire pressure range from atmospheric pressure to its ultimate vacuum. The evacuation of even larger systems from atmospheric pressure down to the 10-3 mbar vacuum range can be done without changing the vacuum pump.

VACUU·PURE easily handles high levels of vapor accumulation through its extraordinary condensate compatibility. Thanks to this capability, a gas ballast is unnecessary, avoiding associated disadvantages like the reduction in pumping speed and an increase in noise levels. The integrated regeneration mode enables rapid drying of the pump at the end of the process. This allows sample throughput to be increased significantly as compared to other pump technologies.

VACUU·PURE is also available in a chemically resistant design for working with aggressive gases and vapors.

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Technical Highlights

100% oil-free

No hydrocarbons

For dry and hydrocarbon-free operation, VACUU·PURE takes the screw pump principle to the next level. The special design with two cantilevered spindles and a magnetic gear allows fully oil-free operation. This enables clean processes and pure products and protects the laboratory and environment. Save both time and operating costs, since there is no need to dispose of waste oil or to interrupt your work for oil changes.

VACUU·PURE does not generate hydrocarbons by abrasion

No abrasion

Clean processes, pure products

The working principle of VACUU·PURE is based on gap sealing. The unique operating principle enables contact-free rotation of the spindles.

The vacuum pump operates abrasion-free. This ensures an ultrapure vacuum as well as contamination-free exhaust air. In addition, there is no wear due to abrasion, allowing for continuous operation.

No wear parts

Safe processes without interruption

A major benefit of VACUU·PURE is that it does not have any wear parts. The spindles rotate contact-free. Components are manufactured with the highest precision, down to the smallest detail.

The special design enables you to run your process without interruption. VACUU∙PURE has no scheduled maintenance for replacement of wear parts. This saves time, reduces operating costs, and enables trouble-free operation.

VACUU·PURE 10 has no wear parts and no scheduled maintenance
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VACUU·PURE 10 is suitable for the following applications: Fore-vacuum of turbomolecular pumps, analytics, drying, regeneration of cryopumps, heat treatment, coating and many more

Enthusiastic users

Customer Experiences with VACUU·PURE

A dry and hydrocarbon-free vacuum is indispensable for many applications such as in ultrahigh vacuum systems. As a dry fore vacuum pump for turbomolecular pumps, VACUU·PURE offers a deep ultimate vacuum that was previously unreachable with oil-free technologies.

"With VACUU·PURE, we finally get a hydrocarbon- and abrasion-free vacuum in a vacuum range of down to 10-3 mbar."

"We were particularly impressed by the fact that VACUU·PURE has good flow rates even at higher pressures. For this reason, we can use VACUU·PURE as early as the initial evacuation of our UHV systems (ultrahigh vacuum systems). We avoid switching between different pump technologies for pumping out our systems and use as a backing pump."

VACUU·PURE can operate continuously at higher pressures so that even larger systems can be evacuated from atmospheric pressure down to 10-3 mbar without the need for another pump technology. Without wear parts to change or troublesome oil changes to perform, VACUU∙PURE enables continuous operation without the need for regular maintenance.

In the case of drying processes, both the primary drying and subsequent residual drying can be performed with a single pump. In freeze drying, excellent results are achieved during the residual (aka secondary) drying phase due to VACUU·PURE's impressive ultimate vacuum.

VACUU·PURE easily handles high vapor loads through its high condensate compatibility. A gas ballast is therefore not necessary. The associated disadvantages such as a reduction in pumping speed and increased noise levels are thus avoided. The integrated regeneration mode enables rapid drying of the pump after the end of the process and thus the sample throughput can be significantly increased, as compared to other pump technologies.

"In all tests, VACUU·PURE demonstrated very good performance, even in the case of an unusually high vapor load. The regeneration mode of VACUU·PURE is very helpful to be able to start the next process very quickly. We believe that there is no comparable vacuum pump."

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Technical data & Accessories

SpecificationVACUU·PURE 10
Max. pumping speed10 m3/h
Ultimate vacuum (abs.)5 x 10-3 mbar (at 1013 mbar ambient pressure)
Max. inlet pressure (abs.)atmospheric pressure
Max. outlet pressure (abs.)15 mbar above atmospheric pressure
Ambient temperature range (operation)10 - 40 °C
Ambient temperature range (storage)-10 - 60 °C
Inlet connectionsmall flange KF DN 25
Outlet connectionsmall flange KF DN 25
Rated motor power0.7 kW
Protection classIP 20
Dimensions (L x W x H), approx.507 x 269 x 413 mm
Weight, approx.21.1 kg
Noise (sound pressure level),
uncertainty 3 dBA
52 dBA
Items suppliedPump completely mounted, ready for use, connection with small flange KF DN 25, with manual.

Dimension sheet - VACUU·PURE 10

Pumping Speed and Pump Down Curve - VACUU·PURE 10

Pumping speed graph VACUU·PURE 10

Pumping speed graph

Pump down graph VACUU·PURE 10

Pump down graph (100 l volume)

Ordering information

Product nameNominal mains voltage / mains frequencyOrder-no.
VACUU·PURE 10 CEE100-230 V, 50/60 Hz20750000
VACUU·PURE 10 CH100-230 V, 50/60 Hz20750001
VACUU·PURE 10 UK100-230 V, 50/60 Hz20750002
VACUU·PURE 10 US100-230 V, 50/60 Hz20750003
VACUU·PURE 10 CN100-230 V, 50/60 Hz20750006
VACUU·PURE 10 IN100-230 V, 50/60 Hz20750007

Accessories VACUU·PURE 10
Accessories generalOrder-no.
VACUU·PURE shuttle, mobile underframe for VACUU·PURE 20751800
Silencer with 90° elbow, KF DN 25,
only for VACUU·PURE 10
Elbow, aluminum, KF DN 2520669405
External centring ring, PBT, sealing ring FPM, KF DN 20/2520660196
Clamping ring, aluminum, KF DN 20/2520660001

Accessories Measuring and Control VACUU·PURE 10
Accessories measurement and controlOrder-no.
Vacuum gauge VACUU·VIEW extended, 1100 - 0,001 mbar20683210
Package fine vacuum control VACUU·SELECT + VACUU·VIEW extended, KF DN 2520700110

Accessories Interfaces and Communication VACUU·PURE 10
Accessories VACUU·BUS® and communicationOrder-no.
In-line valve VV-B 15C with KF DN 2520674215
Communication Kit, USB VACUU·BUS converter for communication with VACUU·BUS capable devices20683230


Manual Vacuum pumpGermanEnglishFrenchChinese
Manual InterfaceGermanEnglish
Safety information for vacuum equipmentmultilingual

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Screw pump VACUU·PURE® 10