Across International Welch 2090 4.5 CFM Diaphragm Pump with Explosion Proof Motor

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Sale price$7,128.96 USD

Product Details

  • Corrosion Resistant
  • Free Air Displacement of 127 L/min (4.5 cfm)
  • Ultimate Vacuum Pressure 29" Hg (25 torr)
  • Fitted Explosion Proof Motor (Class I, Groups C & D; Class II Groups F & G) with CSA/UL Mark
  • Portable
  • Recommended for 20L or 50L rotary evaporators
  • UL & CSA certified
  • Click here to download and

Suggested Applications

  • Vacuum Filtration
  • Vacuum Oven

Important: Always use a certified electrician for proper installation of pumps with explosion proof motors. Conduit wining required. No cord, plug, or switch included.

Standard Packages
Standard package


 Part description


Part image

 Welch 2090 4.5 CFM Diaphragm Pump with Explosion Proof Motor
1 pc


Motor Wiring Diagram (should be on motor) 1 pc

Fastening Kit (4x Fastening Screws, 1x Ground Screws, 4x Lock Washers) | Located inside Junction Box
9 pc

 Outlet Box 1 pc

 User's manual
1 pc

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