Used Vacuum Pumps›Leybold›Other
Leybold · Other
Leybold ISP-90 — oil-sealed rotary vane pump
Original title: LEYBOLD ISP-90, EN-8T, Vakuumpumpe
📍 Germany
🔴 Check carefully
ISP-90 is a backing pump; unsuitable as primary vacuum source for WAVE.
Condition from photo
Exterior clean, mounted on base frame with motor and soft-starter. No visible oil leaks or damage. Hose included.
Likely refurb / add-ons
- Oil change and filter service (~€80)
- Soft-starter replacement if faulty (~€280)
Watch out for
- ISP-90 is a backing/roughing pump, not a primary freeze-dryer vacuum source
- Last service sticker shows 2027 expiry; pump age and internal wear unknown from
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 #356536507583
- Last verified
- Jul 5, 2026
Price history— Leybold Other
Median €1.349 · 512 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
- ISP-90
- Pumping speed S(N₂)
- 90 m³/h
- Ultimate vacuum
- 0.1 Pa
- Oil type
- Leybold Oilfree or equivalent
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.