know-how
Used Vacuum Pumps for Freeze Drying
Live listings of water-vapour-tolerant vacuum pumps (Busch, Edwards, Leybold, Pfeiffer) currently for sale on Maschinensucher.de and eBay — refreshed once a day. Found one you like? Send us the link and we'll check it for free, then handle inspection, electrical fit-out and delivery.
How it works
1. Pick a listing
Browse the live offers below or search the marketplaces yourself.
2. Send us the link
Submit the listing URL — free remote check within one business day.
3. Pump to Vienna
If you commit, the pump comes to WAVE for inspection, vacuum test and service.
4. Electrical fit-out
Soft starter, RCD (FI) breaker, country-specific connection — to local code.
5. Delivery to you
Tested pump ships to your facility with the WAVE service warranty.
Live listingsvia Maschinensucher.de + eBay · refreshed daily
1–5 of 5 · of 7,050| Listing | Pressure | Location | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 🔴 | Busch | Screw |  Busch COBRA NC — oil-sealed screw pump, 1000 m³/h | 100 m³/h | 5,000 g/h | ≤ 0.03 mbar | $492▼ 93% below market | — | eBay#126824186272› |
| 🔴 | Busch | Oil |  Busch RA 0100 F 503 — rotary vane, 120 m³/h | 120 m³/h | 50 g/h | ≤ 0.1 mbar | $7,500▲ above market | USA | eBay#297433138934› |
| 🔴 | Pfeiffer | Oil |  Pfeiffer Duo 250 — rotary vane, 250 m³/h, 7.5 kW | 250 m³/h | 60 g/h | ≤ 0.001 mbar | €8,599▲ above market | Germany | eBay#357881051446› |
| 🔴 | Busch | Screw |  Busch COBRA NC 400 — screw pump, 0.03 mbar | 100 m³/h | 5,000 g/h | ≤ 0.03 mbar | $13,300▲ above market | USA | eBay#126851133867› |
| 🔴 | Busch | Screw |  Busch COBRA NC0160 — oil-sealed screw, 100 m³/h | 100 m³/h | 5,000 g/h | ≤ 0.03 mbar | $24,999▲ above market | USA | eBay#364336506666› |
Busch COBRA NC — oil-sealed screw pump, 1000 m³/h
100 m³/h
Busch RA 0100 F 503 — rotary vane, 120 m³/h
120 m³/h · USA
Pfeiffer Duo 250 — rotary vane, 250 m³/h, 7.5 kW
250 m³/h · Germany
Busch COBRA NC 400 — screw pump, 0.03 mbar
100 m³/h · USA
Busch COBRA NC0160 — oil-sealed screw, 100 m³/h
100 m³/h · USA
Popular families
Third-party listings (Maschinensucher.de + eBay). WAVE verifies every pump before purchase. Prices and availability without guarantee.
WAVE AI estimate from photo + specs only — not a substitute for our physical pre-purchase check.
We only handle pumps that survive water vapour and reach ≤ 0.1 mbar — oil-sealed rotary vane with gas ballast, dry-scroll, dry-screw or Roots. Membrane, water-ring and claw pumps are not suitable for freeze drying.
Found a listing anywhere? Send it — free check.
eBay, Aurena, a local dealer — paste any pump listing URL and we'll review it within one business day. We tell you if it's suitable, what to negotiate, and the all-in cost (purchase + check + electrical + shipping).