Used Vacuum PumpsLeyboldOther

Leybold · Other

Leybold Ruvac WS251 — roots blower booster, 253 m³/h

Original title: LEYBOLD RUVAC WS251 Roots Blower Booster Vacuum Pump Rebuilt

€2.134

Market median (sold): €2.325 from 119 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
Aug 19, 2026

Price history Leybold Other

Median 1.216 · 1140 observations · €343–€37.500

€343€18.922€37.500Apr. 26Aug. 26

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.

W

WAVE Advisor

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