Used Vacuum Pumps›Edwards›Other
Edwards · Other
Edwards EPX 500L — dry pump, high vacuum
Original title: EPX 500L Edwards A419-51-002 High Vacuum Dry Pump Tested Not Working
📍 USA
Suitability for 1 × FD440
Not suitableItem type
Not confirmed
Technical
Cannot calculate
Condition
Defective / parts
Data
Family only
🔴 Check carefully
Dry pump unsuitable for WAVE freeze dryers; requires oil-sealed rotary vane pump.
Condition from photo
Exterior clean, labels intact. Listing states 'not working' — internal condition unknown.
Watch out for
- Listing explicitly states 'Not Working' — repair/rebuild cost unknown and likely
- Dry pump (EPX series) is fundamentally incompatible with WAVE freeze dryer vacuu
- No pumping speed or ultimate vacuum specification visible on nameplate or in lis
WAVE AI estimate from photo + specs only — not a substitute for our physical pre-purchase check.
Specifications
- Type
- other
- Source
- eBay
- Listing #
- eBay #389988467281
- Last verified
- Jun 12, 2026
The Other family is recognised, but the exact variant is not supported. Model-specific performance and water-vapour figures from Other Edwards are therefore withheld.
Price history— Edwards Other
Family: OtherExact model is not supported by the listing or type plate.
Median €2.552 · 827 cleaned observations · €300–€15.345
Type plate (AI reading)
- Exact model
- EPX 500L
- Pump Type
- EPX 500L
- Manufacturer
- Edwards
Auto-extracted from one of the listing photos. Verify on the real unit before purchase.
What to look for on this family
Generic Edwards vacuum pump — the exact model family was not detected automatically. Suitability remains unverified until the model or type plate is clear.
Traceable assessment
How each pump is assessed
AI helps read images and listing text. The final suitability result is calculated by a fixed engineering rule using evidenced values.
Method version: 5 August 2026
- 1
Identify the item
The title and photos are checked first to confirm that the listing is a complete vacuum pump — not an accessory, spare part or pump head only.
- 2
Establish evidence
The type plate and listing provide specific facts. Manufacturer values are used only for a confirmed model; family-level values stay clearly labelled.
- 3
Compare engineering data
Pumping speed, water-vapour capacity and ultimate pressure are compared with the selected WAVE machine and the chosen safety margins.
- 4
Assess condition separately
A photo or a seller saying “runs” does not replace a vacuum test. Unknown data remain unknown and never become an automatic green recommendation.