Used Vacuum PumpsLeyboldTrivac D

Leybold · Trivac D

Leybold Trivac D4B — rotary vane, 20 mTorr, KF16

Original title: Leybold Trivac D4B Vacuum Pump Pulls 20 mTorr, KF16 Inlet/Exhaust, 240 V

€38860% below market

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

📍 USA

🟢 Good fit

Suitable primary pump for WAVE freeze dryers; good price relative to market.

Condition from photo

Exterior clean, no visible oil leaks, labels intact, mounted on frame with motor and ballast assembly.

Likely refurb / add-ons

  • Oil change and filter service (€80–120)
  • Exhaust filter replacement (€60–80)
  • Soft-starter or VFD retrofit (€250–350)

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
Source
eBay
Listing #
eBay #405139099922
Last verified
Aug 11, 2026

Fits WAVE machines: FD260

Type plate (AI reading)

Exact model
D4B
Serial
11245
Type
D4B
Manufacturer Part No.
11245
Serial No.
20900153120
Volume Flow Rate
4 m³/h
Final Pressure
≤1×10⁻¹ mbar
Gas Ballast
Yes
Manufacturer
Leybold Vacuum GmbH
Origin
Made in Germany

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

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