Welch™ DryFast™ and DryFast Ultra™ Diaphragm Vacuum Pumps

Designed for use with rotary evaporators, concentrators and vacuum ovens

Supplier:  Welch™ 2044B01

Catalog No. 01-257-508

Includes: Pump, 6 ft. power cord and plug. (115V US Standard plug)

Description

Designed for use with rotary evaporators, concentrators and vacuum ovens

Use these oil-free DryFast vacuum pumps for applications requiring chemical resistance. DryFast pumps provide mid-range vacuum (2 to 79 torr) with easy adjustment and low maintenance. Flow rates from 25 to 70 L/min). Select a DryFast model to suit your application needs:

Applications

• Rotary Evaporation to 40°C atmospheric B.P.: 2014B-01 (1-head design)
• Rotary Evaporation to 100°C atmospheric B.P.: 2034B-01, 2044B-01
• Rotary Evaporation to 40°C atmospheric B.P.: 2032B-01, 2042B-01
• Vacuum Filtration to 2 funnels: 2014B-01 (1-head design)
• Vacuum Filtration to 6 funnels: 2037B-01, 2047B-01
• Vacuum Ovens to 1.5 ft³: 2042B-01
• Vacuum Ovens to 4.5 ft³: 2047B-01

Design Advantages

• PTFE / fluorinated contact surfaces
• Efficient 2-head diaphragm design reduces maintenance
• Advanced Vapor Management knob for easy vacuum adjustment
• Compact, portable, quiet
• Readily connects using ¼ in. ID tubing
• All listed models 115V 60 Hz

Certifications

CSA, CE Marked

Specifications

• Horsepower: 0.2 hp
• Shipping Weight (Metric): 11.3 kg
• Certifications/Compliance: CE, CSA
• Material: PTFE (Pump Head), Perfluoroelastomer
• Weight (English): 21.25 lb.
• Frequency: 60 Hz
• Overall Height (Metric): 22.3 cm
• Overall Length (Metric): 35.2 cm
• Air Displacement: 35 L/min.
• Maximum Pressure: 9 torr

• Shipping Weight (English): 25 lb.
• Includes: Pump, 6 ft powercord and plug (115V US standard)
• Electrical Requirements: 115 V 60 Hz
• Model: 2044
• Weight (Metric): 9.6 kg
• Overall Height (English): 8.8 in.
• Overall Length (English): 13.8 in.
• Overall Width (English): 6.8 in.
• Applications: Rotary Evap. BP to 100°C , > 2L
• Voltage: 115 V