Used Vacuum Pumps›Leybold›Other
Leybold · Other
Leybold WSU 501 H — rotary vane pump, oil-sealed
Original title: OERLIKON LEYBOLD 11375, WSU 501 H, Ruvac Wälzkolben Vakuumpumpe
📍 Germany
🟡 OK with refurb
Suitable for WAVE freeze dryers; typical refurbishment needed before use.
Condition from photo
Exterior clean, white paint intact, no visible oil leaks. Mounting frame present. Age and internal wear cannot be assessed from photos.
Likely refurb / add-ons
- Oil change and filter service — €80–120
- Exhaust filter replacement — €80–100
- Soft-starter (optional, extends motor life) — €250–300
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 #255270750019
- Last verified
- Jul 5, 2026
Price history— Leybold Other
Median €1.349 · 514 observations · €343–€37.500
Recent sales (Leybold Other)
- €930Apr 28, 2026LEYBOLD RUVAC WSU-251 VACUUM PUMP *Untested*
Source: eBay sold listings (Apify aggregation). Year inferred from listing title when present.
Type plate (AI reading)
- Exact model
- WSU 501 H
- Manufacturer
- Oerlikon Leybold
- Type
- Ruvac Wälzkolben Vakuumpumpe
- Model
- WSU 501 H
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.