Image: Welch
- Ultimate pressure
- 0.02 mbar
- Weight
- 28.1 kg
Headline ratings converted to common units for comparison; the table below shows each figure exactly as published.
Technical data
Source: Welch product page · retrieved 2026-10-02| As published | Value | as printed: "Motor Power, HP (kW) at 60 Hz"; 0.25 kW | as printed: "Weight, lbs (kg)"; 28.2 kg |
|---|---|---|---|
| Series range: Ultimate Pressure | 1.5x10-2 Torr (1.9x10-2 mbar) Torr (0.019 mbar)R Needs review · excluded from comparison Source · 2026-10-02 | ||
| Ultimate vacuum Ultimate pressure | |||
| Motor power | |||
| Weight |
Original extracted values are shown with their source and review status. Multiple values under the same condition remain separate for review.
R a min–max range as published, not a single rating
Reviewed operating performance · 60 Hz
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Documents
Documents open on the manufacturer’s site.
Not on file yet
- MissingWelch's parts drawing (exploded view) for the DuoSeal 1399
- MissingA parts list for the DuoSeal 1399
- MissingManuals or parts lists from Welch
We don’t have these from Welch yet. A specialist can still help you find the right part for the DuoSeal 1399.