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
📍 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 (rotary vane or rotary piston) — not standa
- No backing pump included in listing; additional €800–2000 investment required.
- Diffusion pumps reach ultimate vacuum ~10⁻⁶ mbar; WAVE freeze dryers typically n
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 #168262127731
- Last verified
- Jul 5, 2026
Price history— Edwards Other
Median €2.688 · 820 observations · €303–€33.328
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.