Used Vacuum PumpsLeyboldSogevac SV

Leybold · Sogevac SV

Leybold Sogevac SV25 B — rotary vane, 40 m³/h

Original title: Leybold SOGEVAC SV25 B Rotary Vane Vacuum Pump With Gas Ballast

€1.945above market

Market median (sold): €1.501 from 15 sales in this family

📍 United Kingdom

🟢 Good fit

Excellent match for FD440; proven family, good pumping speed and ultimate vacuum.

Condition from photo

Exterior clean, no visible oil leaks, gas-ballast assembly intact, hose connection present.

Likely refurb / add-ons

  • Oil change and filter service (~€110)
  • Gas-ballast valve inspection (~€60)
  • Soft-starter (optional, ~€280)

WAVE AI estimate from photo + specs only — not a substitute for our physical pre-purchase check.

Specifications

Type
Oil-sealed rotary vane
Pumping speed
~40 m³/h
Water-vapour tolerance
~140 g/h
Ultimate vacuum
≤ 0.1 mbar
Source
eBay
Listing #
eBay #257546356612
Last verified
Jul 5, 2026

Fits WAVE machines: FD440

Type plate (AI reading)

Exact model
SV25 B
Power
KW: 0.75
Displacement
CV: 1
Service
S1
Voltage
V: 220-240
Current
A: 5.5
Power Factor
Cos φ: 0.88
Frequency
50 Hz
Protection Class
IP23
Speed
1430 t/mn
Insulation Class
Classe B

Auto-extracted from one of the listing photos. Verify on the real unit before purchase.

What to look for on this family

Single-stage oil-sealed with gas-ballast. Cheap entry into the Leybold ecosystem. Slightly higher ultimate vacuum than two-stage, so drying tails are a bit longer.

W

WAVE Advisor

Questions & advice · AI

Hi! I'm the WAVE advisor. I answer freeze-drying questions and help you find the right machine. How can I help?

AI advisor · prices are indicative, binding quote from the WAVE team.