Busch Vacuum Pumps and Systems Seco

100&#037 oil-free technology for a wide range of applications

VACUUBRAND ME 2 NT Diaphragm Vacuum Pump

One-stage diaphragm pumps are an excellent solution for continuous, oil-free pumping of gases and vapors at low vacuum requirement.

VACUUBRAND MD 12 NT Scale-up Vacuum Pump

The MD 12 NT diaphragm pump is an especially powerful pump for oil-free evacuation and pumping of non-aggressive gases. The three-stage construction


This Product Has Been Discontinued


This Product Has Been Discontinued

Series Models: ME8C

VACUUBRAND RE and RZ Series rotary Vane Pumps

Spring-less oil pump, less wear, new oil circuit, less noise, new motor, less energy consumption.

Series Models: RE 2.5, RZ 2.5, RE 6, RZ 6, RE 16, RZ 16

Varian DS Series Rotary-Vane Pumps

Ensure high pumping stability for light gases, low noise, minimal oil backstreaming, and a long operating life.

Series Models: DS 42, DS 102, DS 202, DS 302, DS 402, DS 602

Varian HS Series Rotary-Vane Pumps

The first rotary-vane pumps with truly “smart” capabilities      Varian’s HS 652 pumps employ an innovative frequency inverter technology

Series Models: HS 452, HS 652

Varian HS Series Diffusion Pumps

HS Series Diffusion Pumps

Series Models: HS-2, HS-16, HS-20

Varian VHS Series Diffusion Pumps

VHS Series Diffusion Pumps

Series Models: VHS-4, VHS-6, VHS-250, VHS-10, VHS-400

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Questions for Vacuum Pumps

Good lab scale vacuum regulator?

We need an instrument that will regulate vacuum levels coming off a lab water aspirator. Ideally this would connect in-line with the vacuum source...

Siezed pump, Ian Setterfield

The pump was tripping the electrical overload. First thought was it had seized on the bearings. After stripping it was found to be mechanically free...

Oil Lose

Diffusion pump losing oil No sign of a vacuum leak, the roughing pump draws a vacuum as normal. Cooling water seems to be OK, run...


Hi everyone, Does anybody have a copy of  troubleshooting pdf for this pump? I am having board problems and would like to know details on...

TCP 121 Turbomolecular pump controller power

Hey community! I have a couple TCP 121 Pump Controllers with their ridiculous 16-pin interface connectors. According to the manual, attaching 110...

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