Welch™ DryFast™ and DryFast Ultra™ Diaphragm Vacuum Pumps

Catalog No.	Maximum Pressure	Air Displacement
01-257-505	35 torr	42 L/min.
01257156	40 torr	35 L/min.
12-584-100	40 torr	29 L/min.
01-257-502	9 torr	25 L/min.
01-257-508	9 torr	35 L/min.
01-257-501	2 torr	21 L/min.
01-257-506	2 torr	35 L/min.
01-257-504	50 torr	50 L/min.
01-257-510	70 torr	70 L/min.
01-257-500	2 torr	25 L/min.

Catalog No. 01-257-505

Supplier: Welch™ 2037C02

Description

Includes

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

Designed for use with rotary evaporators, concentrators and vacuum ovens.

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 1/4 in. ID tubing

Certifications

CSA, CE Marked

Specifications

• Max. Vacuum: 35 torr
• Certifications/Compliance: CE, CSA
• Model: 2037 C-02
• Flow Rate: 1.5 CFM
• For Use With: Rotovaps, Filtration, Concentrators, Gel Drying, Vacuum Ovens, Dessicators, Aspiration, Distillation
• Pump Type: Diaphragm Pump
• Air Displacement: 42 L/min.
• Enclosure Rating: IP20
• Applications: Rotary Evaporation
• Maximum Pressure: 35 torr
• Voltage: 230 V