Used Vacuum PumpsLeyboldTrivac D

Leybold · Trivac D

Leybold Trivac S4A — rotary vane, single-stage

Original title: Leybold Trivac S4A rotary piston pump vacuum pump

€59539% below market

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

🟡 OK with refurb

Suitable for WAVE freeze dryers; typical refurbishment needed.

Condition from photo

Exterior shows age and dust accumulation; oil level unclear; no visible leaks or damage to housing.

Likely refurb / add-ons

  • Oil change and filter service (€80–120)
  • Exhaust filter replacement (€80)
  • Soft-starter or VFD integration (€280–400)

Watch out for

  • Age and dust suggest unknown service history; internal wear cannot be assessed f
  • Price (€595) is at lower end of market range; verify pump operation before purch

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 #168305408664
Last verified
Aug 6, 2026

Fits WAVE machines: FD260

Type plate (AI reading)

Exact model
Trivac S4A
Type
Trivac S4A
Pumping speed (N₂)
4 m³/h
Final pressure
0.1 Pa
Oil capacity
0.5 l
Weight
7 kg
Speed
3600 rpm
Electrical (50 Hz)
230 V 1.0 A
Electrical (60 Hz)
230 V 1.2 A

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.