Used Vacuum Pumps›Edwards›Other
Edwards · Other
Varian VHS-10 — oil diffusion pump, 4400W
Original title: Varian VHS-10 Diffusion Pump Vacuum Pump 4400W 380V 3Ph Edwards PV40MK / L5920-
📍 Germany
🔴 Check carefully
Diffusion pump unsuitable for WAVE freeze dryers; requires backing pump and water cooling.
Condition from photo
Exterior clean, no visible oil leaks or damage. Hoses and electrical connections intact. Age and internal wear cannot be assessed from photos.
Likely refurb / add-ons
- Backing pump (rotary vane, 2–5 m³/h): €800–1500
- Water cooling system & chiller: €600–1200
- Isolation valve & cold trap: €200–400
Watch out for
- Diffusion pump design: requires dedicated backing pump and water cooling; not a
- High power consumption (4400W) and three-phase supply (380V 3Ph) limit portabili
- Ultimate vacuum specification not provided; typical diffusion pumps reach 10⁻⁶ m
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 #236844712223
- Last verified
- Jun 10, 2026
Price history— Edwards Other
Median €2.688 · 820 observations · €303–€33.328
Type plate (AI reading)
- Exact model
- VHS-10
- Serial
- LDB80061
- Model
- L5920-326 VHS-10
- Power
- 4400 W
- Electrical supply
- 380 V / 3 Ph
- Fluid charge
- 1000 cc
- Manufacturer
- Varian Vacuum Technologies
- Origin
- Lexington, MA 02421
- Approvals
- RoHS, CE
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.