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

📍 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
Jul 5, 2026

Price history Leybold Other

Median 1.349 · 512 observations · €343–€37.500

€343€18.922€37.500Apr. 26Juli 26

Recent sales (Leybold Other)

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.

W

WAVE Advisor

Questions & advice · AI

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AI advisor · prices are indicative, binding quote from the WAVE team.