Description
Product Information
The Welch CRVpro4, model 3041-01, is a rotary vane vacuum pump renowned for its exceptional performance and low maintenance needs. Built in the United States and available in near-new condition, this pump is part of a two-stage vacuum system that includes an Oil Mist Separator (P/N 320015) and Vacuum Inlet Separator (P/N 320016). The CRVpro4 stands out for consuming up to 36% less oil compared to similar models, running 10°C cooler to slow corrosion, and having a 40% larger oil capacity which dilutes aggressive chemicals. The durable construction features a chemical-resistant coating. With its ability to operate at 115V/60Hz or 208-230/460V 50/60Hz, this pump offers flexible motor options. Its free air displacement is 2.8 cfm at 60Hz and achieves an ultimate pressure of 2×10-3 mbar. Perfect for a range of laboratory applications, it is designed with adaptability and efficiency in mind, providing reliable performance throughout demanding processes.
Technician comment
Unit was tested to specifications & was able to reach .006 mbar on our pressure gauge. Includes: Oil Mist Separator P/N 320015 & Vacuum Inlet Separator P/N 320016
Key Features
- Two-stage rotary vane pump
- Consumes 36% less oil
- Runs 10°C cooler to reduce corrosion
- 40% larger oil capacity
- Chemical resistant coating
- Free air displacement: 2.8 cfm @60Hz
- Ultimate pressure: 2×10-3 mbar
- Voltage flexibility: 115V/60Hz & 208-230/460V 50/60Hz
Specifications
- Brand: Welch
- Model: CRVpro4
- Sub-Model: 3041-01
- Condition: E (Excellent)
- Free air displacement @60Hz: 2.8 cfm (78 L/min)
- Free air displacement @50Hz: 4 m3/h (67 L/min)
- Ultimate pressure: 2×10-3 mbar (1.5×10-3 Torr)
- Voltage: 120V/220V
- Hertz: 50Hz/60Hz
- Chemical resistant coating
- Includes: Oil Mist Separator & Vacuum Inlet Separator
Weight
Imperial: 56.4 Pounds
Metric: 25.58 Kilograms
Shipping Dimensions
Imperial: 8.4 lb x 22.8 lb x 13.2 lb
Metric: 21.34 cm x 57.91 cm x 33.53 cm
Harmonized Code
84141000
Harmonized Code Details
84141000 – Vacuum pumps; Provides classification for pumps designed to create a vacuum, suitable for laboratory use.
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