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Welch · Two-Stage Rotary Vane Pumps CRVPro 8 CHEM

Two-Stage Rotary Vane Pumps CRVPro 8 CHEM

Welch Two-Stage Rotary Vane Pumps CRVPro 8 CHEM

*Photo shows another model from the Welch Oil-Lubricated Rotary Vane range, not this exact model. Image: Welch

Ultimate pressure
0.002 mbar

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 publishedValueas printed: "Ultimate Pressure"; 1.5x10 -3 Torr
Series range: Ultimate Pressure
2x10 -3 mbar (1.5x10 -3 Torr) mbar (0.0015 Torr)R
Needs review · excluded from comparison
Source · 2026-10-02
Ultimate pressure
2x10 -3 mbar
oem source
Source · 2026-10-20

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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