Pfeiffer Vacuum: independent brand profile
Pfeiffer invented the turbomolecular pump in 1958 and is still the name many lab and fab engineers reach for first in high vacuum. Since 2024 it is part of the Busch Group and trades as Pfeiffer Vacuum+Fab Solutions. Here is what users say, what AI assistants get right and wrong, and how the brand compares in search interest.
Independent profile by Vacuum Engineering Tools. We are not affiliated with Pfeiffer, receive no payment and do not sell pumps. Quotes are the opinions of individual users, not statements of fact by us. Brand names belong to their respective owners.
In short
Pfeiffer Vacuum (Asslar, Germany; founded 1890 by Arthur Pfeiffer) is a high-vacuum specialist best known for HiPace turbomolecular pumps, plus scroll, diaphragm, multi-stage Roots and rotary vane backing pumps, gauges and leak detectors. It has been part of the family-owned Busch Group since 2024. Users in Reddit’s vacuum and chemistry communities rate Pfeiffer turbos highly for longevity, while warning that turbos must not be tipped in transit and that OEM accessories are expensive.
Verified facts
- Brand name today
- Pfeiffer Vacuum+Fab Solutions [Source]
- Parent company
- Busch Group (since 2024) [Source]
- Headquarters
- Asslar, Germany (Pfeiffer Vacuum GmbH) [Source]
- Founded
- 1890 by Arthur Pfeiffer, a 23-year-old mechanic from Wetzlar [Source]
- Claim to fame
- Turbomolecular pump, developed in 1958 by Dr. Willi Becker [Source]
- Group size
- Over 8,000 employees in the Busch Group [Source]
What users say
Pfeiffer is discussed almost entirely as a turbopump brand. In r/uhv it is named as a “desert island” pick for running well beyond maintenance intervals; in r/chemistry and r/massspectrometry the threads are about turbo cleaning, swapping a HiPace into an instrument and transport damage. The main complaint is the price of OEM accessories.
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If you were stranded on a desert island with one…
“Pfeiffer. They work well and well beyond the normal maintenance periods.” Google preview
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A vetted procedure for cleaning turbomolecular pumps
“Edwards and Pfeiffer turbos are notorious for failing when they've been tipped in transit.” Google preview
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Pfeiffer turbo pump controller plug type
“The OEM plugs still run $200+ USD” Google preview
- Guidance to replace turbo pump on Agilent 6460 MSD
- A disassembled turbomolecular pump (helium leak detector)
Reddit blocks automated access, so thread titles, links and previews come from Google’s index of reddit.com (October 2026). Previews are excerpts, not the full comment.
From specialist forums
Outside Reddit, Pfeiffer turbos turn up on the used market: hobbyists and physics students buy secondhand pumps and controllers and then ask about vibration, controllers and bearings.
“I have picked up a used pfeiffer turbomolecular pump and controller for pretty cheap.”
Verbatim quotes from public forums, without usernames.
AI fact-check: what ChatGPT, Gemini, Perplexity and Claude say
On 9 October 2026 we asked all four assistants the same question (who owns Pfeiffer, headquarters, founding, best-known series and what buyers say) and checked every answer against the manufacturer’s own pages.
| Question | ChatGPT (gpt-5.5) | Gemini (3.5 Flash) | Perplexity (Sonar) | Claude (Sonnet 5.5) | Verified |
|---|---|---|---|---|---|
| Who owns it? | ✓ Busch Group (via “Pangea GmbH”) | ✓ Busch Group (via “PWD GmbH”) | ✓ Busch Group | ✓ Busch Group, takeover 2023–24 | Busch Group, since 2024 (holding vehicle not named on official pages) [Source] |
| Headquarters | ✓ Aßlar | ✓ Asslar | ✓ Aßlar | ✓ Aßlar, Hesse | Asslar, Germany [Source] |
| Founded | ✓ 1890, Arthur Pfeiffer | ✓ 1890, Arthur Pfeiffer | ✓ 1890, Arthur Pfeiffer | ✓ 1890, Arthur Pfeiffer, Wetzlar | 1890, Arthur Pfeiffer (Wetzlar) [Source] |
| Series named | ~ HiPace, DuoLine, ACP | ~ HiPace, HiScroll, Okta | ✓ HiPace, MVP, Duo | ✓ HiPace, ATH/ATP, HiScroll, ACP | Current names: HiPace, ATH M, HiScroll, MVP, DuoVane, HiLobe, ACP [Source] |
| “What buyers say” | ✓ Reliable, premium-priced | ✓ Reliable, premium-priced | ~ Slow service replies (PissedConsumer) | ✓ Reliable, premium (flagged as general) | Reddit users praise longevity and criticise accessory prices (see above) [Source] |
✓ correct · ~ partly right or outdated · ✗ wrong · ? cannot be checked against an official source. Answers condensed. Only Perplexity used web search; the other models answered from training data.
The facts were solid, but product names reveal how dated training data can be: ChatGPT named DuoLine and Gemini named Okta, older range names that are not on Pfeiffer’s current pump overview, where the rotary vane pumps are now DuoVane and SmartVane and the Roots boosters HiLobe. ChatGPT and Gemini also named different holding companies for the Busch takeover (Pangea vs PWD); Pfeiffer’s own pages only say Busch Group. Perplexity based its “buyer” view on a PissedConsumer complaint page.
Search interest compared
Google Trends data compared with the five largest vacuum brands, web search, October 2021 to October 2026. “pfeiffer vacuum” leads the comparison in France and comes a close second in German-speaking countries. Outside Europe it trails Leybold and Edwards almost everywhere.
Worldwide interest per year (index)
Pfeiffer · the other four
Where people search for Pfeiffer
How to read this: of every 100 Google searches for these five brand names in France, 49 were for Pfeiffer, more than for any other brand. It shows relative interest, not sales or market share.
| Country | Pfeiffer share | Rank | Most searched |
|---|---|---|---|
| France | 49 % | 1st of 5 | — |
| Germany | 40 % | 2nd of 5 | Leybold (51 %) |
| Switzerland | 37 % | 2nd of 5 | Leybold (45 %) |
| Austria | 34 % | 2nd of 5 | Leybold (45 %) |
| Japan | 31 % | 2nd of 5 | Leybold (37 %) |
| South Korea | 29 % | 2nd of 5 | Leybold (36 %) |
| Netherlands | 28 % | 2nd of 5 | Leybold (32 %) |
| China | 25 % | 2nd of 5 | Leybold (44 %) |
| Italy | 24 % | 2nd of 5 | Leybold (55 %) |
| Singapore | 24 % | 3rd of 5 | Edwards (30 %) |
| Taiwan | 17 % | 3rd of 5 | Leybold (52 %) |
| India | 15 % | 4th of 5 | Leybold (33 %) |
| United States | 14 % | 4th of 5 | Edwards (35 %) |
| Australia | 11 % | 4th of 5 | Busch (37 %) |
| United Kingdom | 10 % | 4th of 5 | Edwards (48 %) |
Pulled on 9 October 2026 via DataForSEO. Terms compared: “busch vacuum”, “pfeiffer vacuum”, “leybold”, “edwards vacuum”, “atlas copco vacuum”. Relative values, not absolute search volumes; non-English searches are not included.
Technology fingerprint
Computed from our directory of 25 manufacturers: which technologies Pfeiffer offers and how common each is in the market.
| Technology | Makers in our directory | |
|---|---|---|
| Diaphragm | 5 of 25 | rare |
| Scroll | 5 of 25 | rare |
| Turbomolecular | 7 of 25 | |
| Screw | 11 of 25 | |
| Roots | 11 of 25 | |
| Rotary vane | 15 of 25 |
Not in the range: Claw, Liquid ring
Closest alternatives
Manufacturers with the largest overlap in pump technologies.
Product series at a glance
| Series | Technology | What it is for |
|---|---|---|
| HiPace | Turbomolecular | The core turbopump family, widely used in mass spectrometers and research. |
| ATH M / ATP M | Turbomolecular | Magnetically levitated turbopumps for semiconductor and coating. |
| HiScroll | Scroll | Dry scroll backing pumps. |
| MVP | Diaphragm | Oil-free diaphragm pumps for labs and turbo backing. |
| DuoVane / SmartVane | Rotary vane | Oil-sealed rotary vane backing pumps. |
| HiLobe | Roots | Roots boosters. |
| ACP / A4 | Roots | Dry multi-stage Roots pumps for semiconductor and industry. |
| COBRA semicon | Screw | Dry screw pumps sold under the Pfeiffer brand, built on the COBRA line of sister brand Busch. |
Typical fit
- High and ultra-high vacuum in research labs
- Mass spectrometry and analytical instruments
- Semiconductor and coating (mag-lev turbos, dry backing pumps)
- Helium leak detection
Useful calculators
Official owner resources
Find service for Pfeiffer
Manufacturer service and independent shops in the US.
Vacuum Pump Service Directory (US) →
Frequently asked questions
Who owns Pfeiffer Vacuum?
Pfeiffer Vacuum has been part of the Busch Group since 2024, after Busch’s takeover offer. The family-owned group from Maulburg also owns Busch Vacuum Solutions. Pfeiffer now trades as Pfeiffer Vacuum+Fab Solutions and is headquartered in Asslar, Germany.
Did Pfeiffer invent the turbomolecular pump?
Yes. According to Pfeiffer, Dr. Willi Becker, head of the Pfeiffer lab, developed the turbomolecular pump in 1958. The HiPace range is the current generation.
Are Pfeiffer turbopumps reliable?
Users in vacuum and chemistry communities on Reddit describe Pfeiffer turbos as long-lived, often running beyond the normal maintenance intervals. The common warnings are that a turbopump must never be tipped or jolted in transit, and that OEM accessories such as controller plugs are costly.
Is Pfeiffer the same company as Busch?
They share an owner, the Busch Group, but remain separate brands. Pfeiffer focuses on high vacuum, analytics and semiconductor; Busch on industrial rough and medium vacuum. Some products cross over: Pfeiffer sells COBRA dry screw pumps for semiconductor use.
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