Used Vacuum Pumps›Leybold›Other
Leybold · Other
Leybold Oerlikon DIP 3000 — diffusion pump, ISO 250
Original title: LEYBOLD OERLIKON DIP 3000 Diffusion Pump ISO250 Vacuum Pump
📍 USA
🔴 Check carefully
Diffusion pump unsuitable as primary vacuum source for WAVE freeze dryers.
Condition from photo
Exterior clean, no visible oil leaks. Nameplate legible. Heater element intact. Hoses present. Age unknown from photos.
Likely refurb / add-ons
- Backing pump (rotary vane or turbomolecular) — €800–€3000
- Cooling water circulation unit — €400–€800
- Diffusion pump oil (synthetic, ~5 L) — €150–€250
Watch out for
- Diffusion pump requires backing pump and cooling water — not standalone.
- High price (€32,545) for a diffusion pump; typical used DIP 3000 €5,000–€12,000.
- No visible backing pump or cooling system in photos; system incomplete.
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 #168408603743
- 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
- DIP 3000
- Serial
- 30000927298
- Material No.
- 22210
- Pumping speed
- 3000 l/s
- Rate of pump fluid
- 1.0 l/min / 1.4 l/max
- Cooling water quantity
- 160 l/h / 20 l/h
- Electrical supply
- 1–230 V / 50–60 Hz / 2.4 kW
- Weight
- 29 kg
- Manufacturer
- Oerlikon Leybold Vacuum GmbH, Bonner Str. 498, D-50968 Köln,
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.