Leybold
D 8 B Vacuum
The Leybold D 8 B Vacuum is a dual-stage oil-sealed rotary vane vacuum pump. The Leybold D 8 B Vacuum is designed to pump gases and vapours in the fine vacuum range. The Leybold D 8 B Vacuum has a nominal pumping speed of 8 m3/h.[1]
Plate 01Leybold Trivac Model D8B Vacuum Pump
HITECHTRADERCOMWatch on YouTubePlate 02Leybold Trivac Model D8B Vacuum Pump
HITECHTRADERCOMWatch on YouTube
How it works
The Leybold D 8 B uses an eccentrically mounted rotor with radially sliding vanes to divide the pump chamber into changing compartments.[1]
The Leybold D 8 B draws gas through an intake port and a dirt trap, passes it through an anti-suckback valve, compresses it in the pump chamber, and discharges it through an exhaust valve.[1]
The Leybold D 8 B uses oil for sealing and lubrication, and an internal demister separates entrained oil from the discharged gas.[1]
Where it fits in the process flow
The Leybold D 8 B evacuates vessels and vacuum systems in the fine vacuum range.[1]
What do the numbers mean?
Vintage & configurations
Documented models & variants
| Designation | Generation | Vintage | Changes | Source |
|---|---|---|---|---|
| D 8 B | — | — | The manual lists multiple motor and power variants, including 100-120V / 200-240V 50/60 Hz and 230/400 V 50 Hz configurations. | idealvac.com[1] |
What does it need to run?
Site utility requirements, footprint, and infrastructure needed to install and operate this tool. Sourced from public records.
- Configuration115/230V[2]
- Configuration60/50 Hz[2]
- ConfigurationPressure Limit 1X10 -4[2]
- ConfigurationPump powers on and runs well, vacuum pressure test to -4 X10[2]
- ConfigurationPump requires Fomblin Oil[2]
- ConfigurationWired for 230V[2]
- Configuration100-120V / 200- 240V[3]
- Configuration50/60 Hz[3]
- ConfigurationPump powers on and runs at optimum capacity[3]
- ConfigurationVacuum pressure test at -4 x10[3]
- TypeTRIVAC-B oil-sealed rotary vane pump[1]
- Nominal pumping speed8 m3/h[1]
- Motor variants statedSingle-phase AC and three-phase AC[1]
Where are the manuals?
Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.
Not publicly documented
Field notes
No research found yet — worked with this tool? Share what you know.
Frequently asked questions
What type of pump is the Leybold D 8 B Vacuum?
The Leybold D 8 B Vacuum is a rotary vane vacuum pump in the TRIVAC B family.[1]
Not publicly documented
The following facts about the D 8 B Vacuum are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the D 8 B Vacuum are on record.
Answerable by: OEM historical records or a trade-press announcement
The control-system platform and OS era of the D 8 B Vacuum are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the D 8 B Vacuum are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the D 8 B Vacuum is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No publicly documented compatible parts, consumables, or accessories for the D 8 B Vacuum are on record.
Answerable by: an OEM parts catalog or a service engineer
No research found yet — worked with this tool? Share what you know.
Sources & citations
Sources (3)Every fact above is drawn from these public sources
- [1]idealvac.com — idealvac.comidealvac.com
- [2]Inventory photo
- [3]Inventory photo
Last updated Oct 7, 2026.
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