Used Vacuum Pumps›Edwards›Other
Edwards · Other
Edwards Diffstak 160/700P — diffusion pump, pneumatic valve
Original title: EDWARDS DIFFSTAK 160/700P DIFFUSION PUMP Current model with pneumatic valve
Market median (sold): €1.395 from 89 sales in this family
📍 United Kingdom
🔴 Check carefully
Diffusion pump unsuitable as primary vacuum source for WAVE freeze dryers.
Condition from photo
Exterior clean, stainless steel coils intact, electrical connections present, no visible oil leaks or damage.
Watch out for
- Diffusion pump requires backing pump; not standalone vacuum source for freeze dr
- No ultimate vacuum specification provided; typical diffusion pumps reach 10⁻⁶ mb
- Pneumatic valve adds complexity; requires compressed air supply and maintenance.
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 #168262130410
- Last verified
- Aug 19, 2026
Price history— Edwards Other
Median €2.206 · 1286 observations · €300–€33.328
Recent sales (Edwards Other)
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- €2.042Aug 9, 2026EDWARDS Vacuum Pump
Source: eBay sold listings (Apify aggregation). Year inferred from listing title when present.
Type plate (AI reading)
- Exact model
- B348832978
- Manufacturer
- Edwards High Vacuum (Part of BOOC Ltd, Crawley, West Sussex,
- Power
- 240 V, 1350 W
- Frequency
- 50/60 Hz
- Phase
- 1
- Fluid capacity
- 250 mL
- Mass
- 36.500 kg
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.