Vacuum Pumps

Two Stage: Produces 25 micron ultimate Pressure &nbsp&nbsp &nbsp&nbsp&nbsp &nbsp&nbsp&nbsp &nbsp&nbsp&nbsp &nbsp&nbsp&nbsp &nbsp&nbsp&nbsp &nbsp Rotary Sliding Vane: Provides 85 liter per minute (3cfm) capacity and operates quietly

Two Stage: Produces 25 micron ultimate Pressure &nbsp&nbsp &nbsp&nbsp&nbsp &nbsp&nbsp&nbsp &nbsp&nbsp&nbsp &nbsp&nbsp&nbsp &nbsp&nbsp&nbsp &nbsp Rotary Sliding Vane: Provides 85 liter per minute (3cfm) capacity and operates quietly

The economical and silent vacuum source The chemically resistant PTFE diaphragm vacuum pump impresses with its very silent and economical operation. With a flow rate of 1.

Economical Oil Free Adjustable Vacuum / Pressure Use these affordable oil-free pumps to provide convenient vacuum throughout the lab. Welch WOB-L piston pumps provide adjustable vacuum for filtration, SPE, vacuum ovens, and more.

Product Details Corrosion Resistant Fitted Explosion Proof Motor (Class I, Groups C & D Class II Groups F & G) with CSA/UL Mark Portable Suggested Applications Vacuum Filtration Vacuum Oven Welch corrosion-resistant diaphragm pumps are driven by

Good quality, economical hand operated air/vacuum pump is easy to operate. Each squeeze of the pump delivers approximately 15ml, and can be used to create vacuum of 15mm Hg, or air pressure of about 2 atm (standard atmosphere).

Eliminate 99.9% of oil mist and smoke from vacuum pump exhaust Prevent oil accumulation in ductwork Recover expensive lubricating oils Eliminate potential OSHA and EPA violations High-efficiency filter cartridge continuously drains the collected

Eliminate 99.9% of oil mist and smoke from vacuum pump exhaust Prevent oil accumulation in ductwork Recover expensive lubricating oils Eliminate potential OSHA and EPA violations High-efficiency filter cartridge continuously drains the collected

For use with roughing pumps.

The Welch CRVpro8 Chem is effective for freeze drying or concentration of samples using a lyophilizer, including harsh chemicals such as TFA, Acetonitrile, HBr and others. These chemicals quickly attack the vacuum pump oil of unprotected vacuum

1169A95: Inlet Separator Intake separator separates liquid phase aerosols from gas stream, reducing chemical contaminants in pump oil. 1169A97: Outlet Oil Mist Separator Outlet oil separator removes oil particles from exhaust stream, minimizing oil

1169A95: Inlet Separator Intake separator separates liquid phase aerosols from gas stream, reducing chemical contaminants in pump oil. 1169A97: Outlet Oil Mist Separator Outlet oil separator removes oil particles from exhaust stream, minimizing oil