Used Vacuum PumpsLeyboldTrivac D

Leybold · Trivac D

Leybold Trivac D4B — rotary vane, 11 micron tested

Original title: Leybold Trivac 240V D4B getestet auf 11 Mikron mit AF8 Filter, OF4-25

€60738% below market

Market median (sold): €977 from 51 sales in this family

📍 USA

🟢 Good fit

Suitable for WAVE freeze dryers; tested to 11 micron, includes AF8 filter.

Condition from photo

Clean exterior, readable labels, no visible oil leaks, mounted on frame with motor and filter assembly.

Likely refurb / add-ons

  • Oil change (0.5 L mineral): €30
  • Exhaust filter replacement: €80
  • Gas-ballast service: €60

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

Specifications

Type
Oil-sealed rotary vane
Pumping speed
~8 m³/h
Water-vapour tolerance
~50 g/h
Ultimate vacuum
≤ 0.002 mbar
Year
2007 (per nameplate)
Source
eBay
Listing #
eBay #333533322584
Last verified
Aug 2, 2026

Fits WAVE machines: FD260

Type plate (AI reading)

Exact model
D4B
Serial
11246
Year (plate)
2007
Type
D4B
Kat.-Fabr. Nr.
11246
Saugvermögen m³/h
Volume flow rate
Endruck mbar
< 1×10⁻⁴
Ultimate Pressure Limit
< 1×10⁻⁴
Gasballast
0
Electrical (inside)
II (i) 3G IIC T4 (50 Hz)
Electrical (outside)
II (o) 3G IIC T3 (50 Hz)
Temperature Class
T12 °C < t < 40 °C(JA)
Origin
Made in Germany
Manufacturer
Oerlikon Leybold Vacuum GmbH

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

What to look for on this family

Two-stage oil-sealed with gas-ballast. Make sure the model code ends in 'B' (= B-Variant with built-in gas-ballast valve). Check oil sight glass and that the exhaust filter is clean.

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.