Welch 2034 DryFast 0.9 CFM 2-Head Diaphragm Chemical Duty Pump

The rugged low maintenance pumps have PTFE heads, perfluoroelastomer valves, and fluorinated plastic wetted surfaces, making DryFast a durable choice for solvent, acidic, and basic vapors.

Model 2034 Research is a two-stage PTFE pump that provides tunable vacuum to 9 Torr (12 mbar) - perfect for evaporation of solvents with atmospheric boiling points to 110 C.

Welch 2034 DryFast 0.9 cfm PTFE Diaphragm Vacuum Pumps are great for 2L and 5L rotary evaporators, these 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. Economical DryFast vacuum pumps are perfect for tough lab applications.

Features:

• Chemical resistant against solvents, acidic and basic vapors
• Constructed with corrosion resistant PTFE and perfluoro plastic materials
• Oil-free for low maintenance operation
• Comes standard with fine tune adjustable knob
• Free air displacement at 60Hz: 0.9 cfm (25 L/min)
• Ultimate pressure: 9 Torr (12 mbar)

Standard package includes:

• 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