Used Vacuum Pumps›Leybold›Trivac D

Leybold · Trivac D

Leybold Trivac D4A — rotary vane, dual-stage

Original title: Leybold Heraeus Trivac D4A Dual Stage Vacuum Pump w GE 5KC36PN435AX Motor 1/3 HP

€320▼ 71% below market

Market median (sold): €1.116 from 65 sales in this family

🟢 Good fit

Excellent match for WAVE freeze dryers; proven workhorse pump at fair price.

Condition from photo

Exterior clean, no visible oil leaks, nameplate legible, motor and gas-ballast intact, mounted on frame.

Likely refurb / add-ons

  • Oil change & filter service — €80
  • Gas-ballast service — €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
~8 m³/h
Water-vapour tolerance
~50 g/h
Ultimate vacuum
≤ 0.002 mbar
Source
eBay
Listing #
eBay #365554113287
Last verified
Sep 27, 2026

Fits WAVE machines: FD260

Type plate (AI reading)

Exact model
D4A
Serial
1288066233
Manufacturer
Leybold-Heraeus Vacuum Products Inc
Model No.
D4A
Catalog No.
720 25 025
Serial No.
1288066233
Pump Fluid
HE-175
Origin
Made in U.S.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

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