The Welch 1400 DuoSeal 0.9 cfm 0.1 Micron Belt Drive Dual-Stage Pump is a high-performance, durable vacuum pump designed for a variety of applications requiring precise vacuum control and superior vapor handling capabilities. This pump is ideal for industries such as chemical processing, laboratory research, and industrial applications, known for its exceptional ruggedness and reliability.

Key Features:

• Oil Mist Exhaust Filter Included: Every Welch 1400 pump comes with a Welch 1417 oil mist exhaust filter (valued at $170.90) to enhance performance and prolong the life of the pump.
• Superior Vapor Handling: Handles a variety of vapors and chemicals without compromise, thanks to its dual-stage pumping design.
• Low Friction, Long Life: Operates at a low pump speed (580 rpm), reducing friction and wear, which minimizes chemical reactivity and prolongs pump life.
• Excellent Ultimate Pressure: Achieves an ultimate vacuum pressure of 0.1 micron, making it ideal for high-precision applications.
• High Oil Capacity: Large oil reservoirs (0.63 quart / 0.6 liter) help dilute contaminants for longer-lasting performance.

Applications:

• Rotary Evaporation / Distillation
• Vacuum Furnace Evacuation
• Backing for Turbomolecular and Diffusion Pumps
• Epoxy Degassing
• Vacuum Sterilization
• Backing Mass Spectrometers
• Freeze Drying
• Vacuum Centrifugal Applications
• Vacuum Distillation
• Space Research and Other Vacuum Processes

Technical Specifications:

• Pumping Rate: 0.9 cfm
• Ultimate Vacuum Pressure: 0.1 micron
• Oil Capacity: 0.63 quart / 0.6 liter
• Motor Speed: 580 rpm
• Intake ID (vacuum connection): 7/16 inch
• Intake/Exhaust Thread Size: 3/4-20
• Adjustable Vac./Gas Ballast: Yes
• Electrical Requirements: 110 Volts, 50/60Hz, Single Phase, 1/3 HP, 250 watts
• Pump Dimensions: 17.8 x 9 x 12.6 inches
• Shipping Dimensions: 20.5 x 13.8 x 14.5 inches
• Pump Weight: 70 lbs
• Compliance: CSA certified

This pump provides reliable, consistent performance in demanding applications, offering excellent vapor handling, reduced maintenance, and long-lasting durability. The inclusion of the Welch 1417 oil mist exhaust filter further enhances the pump’s performance and helps protect it from contaminants.