Across International Welch 2040 DryFast Ultra Plus Diaphragm Chemical Duty Pump

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Sale price$4,752.96 USD

Welch DryFast PTFE Diaphragm Vacuum Pumps enable precise vacuum control for organic evaporations with exclusive Advanced Vapor Management (AVM). Oil-Free, portable, chemical resistant, 2 head diaphragm design simplifies maintenance. Choose from seven dry PTFE vacuum pump models with flows up to 40 L / min and adjustable vacuum down to 0.75 Torr. Economical DryFastTM vacuum pumps are perfect for tough lab applications.

Free three feet 3/8" white premium food-grade silicone vacuum tubing ($19.99 value) included.










Model 2040
Free Air Displacement, lpm 40
Ult. Vac. Pressure, torr (mbar) 0.75(1)
Maximum Vacuum, in. Hg
Number heads/Stages
Motor Horsepower, HP (watts)  1/5 (150)
Adjustable Vac/Gas Ballast
Tubing Needed, I.D., in (mm)  1/4 (7)
Intake(Exhaust) Thread NPT M14 (1/8)
Weight lbs.(kg)
21.25 (9.6)
Overall Dimensions,
LxWxH in.(cm
Ship Weight, lbs (kg)
25 (11.3)
Shipping Carton Dimensions,
LxWxH in.(cm)
Wired for 115V, 60Hz, 1Ph, Agency 2040B-01
Wired for 230V, 50/60Hz, 1Ph, Agency 2040C-02
Standard Packages
Standard package


 Part description


Part image

 Welch 2034 chemical-resistant oil-free diaphragm pump
1 pc


 White premium food-grade silicone vacuum hose
3 ft

 Power Cord with Plug 1 pc

 User's manual
1 pc

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