Image: Welch
- Motor power
- 0.85 kW
- Weight
- 39.5 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 | 50 Hz | 50 Hz; @ 50 Hz | Without gas ballast partial | Without gas ballast total | With gas ballast total | Value | 50 Hz; (50 Hz) | 60 Hz |
|---|---|---|---|---|---|---|---|---|
| Free Air Displacement @ 50 Hz | ||||||||
| Pumping speed @ 50 Hz Pumping speed | ||||||||
| Ultimate Pressure Without gas ballast partial Ultimate pressure | ||||||||
| Ultimate Pressure Without gas ballast total Ultimate pressure | ||||||||
| Ultimate Pressure With gas ballast total Ultimate pressure | ||||||||
| Connection flanges | ||||||||
| Ambient temperature | ||||||||
| Noise Level (50 Hz) Noise level | ||||||||
| Oil Capacity | ||||||||
| Motor speed Speed | ||||||||
| Motor power | ||||||||
| Weight | ||||||||
| Series range: Ultimate Pressure |
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 CRVpro 30
- MissingA parts list for the CRVpro 30
- MissingManuals or parts lists from Welch
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