Used Vacuum Pumps›Leybold›Other
Leybold · Other
Leybold Ruvac WS251 — roots blower booster, 253 m³/h
Original title: LEYBOLD RUVAC WS251 Roots Blower Booster Vacuum Pump Rebuilt
Market median (sold): €2.316 from 167 sales in this family
📍 USA
🔴 Check carefully
Roots booster unsuitable as primary WAVE vacuum source; requires backing pump.
Condition from photo
Exterior shows age and dust; paint worn; no visible oil leaks or damage; mounting frame intact.
Likely refurb / add-ons
- Backing pump (rotary vane, 5–10 m³/h) — €400–800
- Oil change & filter service — €80–120
- Soft-starter or VFD controller — €280–500
Watch out for
- Roots booster pump: requires dedicated backing pump; cannot operate standalone.
- No backing pump included in listing; total system cost will be significantly hig
- Pump age and condition of internal rotors cannot be assessed from exterior photo
WAVE AI estimate from photo + specs only — not a substitute for our physical pre-purchase check.
Specifications
- Type
- other
- Pumping speed
- ~0 m³/h
- Water-vapour tolerance
- ~0 g/h
- Ultimate vacuum
- —
- Source
- eBay
- Listing #
- eBay #386981410215
- Last verified
- Oct 3, 2026
Price history— Leybold Other
Median €1.221 · 1625 observations · €310–€37.500
Recent sales (Leybold Other)
- €1.519Oct 2, 2026Leybold SV25 1090351 Oil Vacuum Pump
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- €3.250Sep 22, 2026Leybold OMT RGD-5/100 Cryopump Cold Head P/N 378185 Vacuum Pump Assembly (5971)
- €1.116Sep 22, 2026LEYBOLD RUVAC WSU 500 ROOTS BLOWER VACUM PUMP
- €2.790Sep 22, 2026Leybold SV40BI Vacuum Pump 6 Available Selling Them All Together 
- €4.464Sep 22, 2026Leybold 854-06-B1 High Vacuum Pump (m17)
- €2.557Sep 22, 2026Leybold RuVac WAU-251 Roots Blower Booster Vacuum Pump Second-hand refurbishment
- €8.258Sep 22, 202638065 LEYBOLD ECODRY PLUS, DRY COMPRESSING VACUUM PUMPS (NEW) ECODRY 65 PLUS
- €13.473Sep 22, 2026Leybold SP250 ScrewLine Dry Vacuum Pump 330m3/h 11.5kw 210/460V 3Ph Screw Type
- €9.068Sep 22, 2026Oerlikon Leybold Water Cooled Screwline Dry Screw Pump 15kW 460V, 3PH, SP630F
Source: eBay sold listings (Apify aggregation). Year inferred from listing title when present.
Type plate (AI reading)
- Exact model
- WS 251
- Serial
- 117221184320013
- Type
- WS 251
- Manufacturer Part No.
- 117221184320013
- Volume Flow Rate (Saugvermögen)
- 253 m³/h
- Maximum Differential Pressure
- 53 mbar
Auto-extracted from one of the listing photos. Verify on the real unit before purchase.
What to look for on this family
Generic Leybold vacuum pump — model family not auto-detected. Send us the listing URL for a free identification + suitability check.