Used Vacuum Pumps›Edwards›Other
Edwards · Other
BOC Edwards EXT255 — turbomolecular pump
Original title: BOC Edwards EXT255 Vakuumpumpe Japan
€1.080
📍 Japan
🟡 OK with refurb
Turbo pump unsuitable for WAVE freeze dryers; requires backing pump.
Condition from photo
Exterior clean, label legible, no visible oil leaks or damage. Mounting frame intact.
Likely refurb / add-ons
- Backing pump (rotary vane, 2–5 m³/h) — €400–800
- Turbo controller/power supply — €200–400
- Isolation valve and gauges — €150–250
Watch out for
- Turbomolecular pump alone cannot achieve rough vacuum; WAVE requires a two-stage
- No backing pump visible in photos; system incomplete for freeze-dryer use.
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 #298095060121
- Last verified
- Jul 5, 2026
Price history— Edwards Other
Median €2.688 · 820 observations · €303–€33.328
Type plate (AI reading)
- Exact model
- EXT255
- Manufacturer
- BOC Edwards
- Type
- Turbomolecular pump
- Origin
- Japan
Auto-extracted from one of the listing photos. Verify on the real unit before purchase.
What to look for on this family
Generic Edwards vacuum pump — model family not auto-detected. Send us the listing URL for a free identification + suitability check.