Standard Duty Oil-Free Dry Vacuum Pump 2581B-50


Standard Duty Oil-Free Dry Vacuum Pump 2581B-50
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Code: 2581B50
Vendor: Welch

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Standard Duty Oil-Free Dry Vacuum Pump 2581B-50

Welch High Throughput Standard Duty Oil-Free Dry Vacuum Pump 2581B-50

 
Powered By An Economical WOB-L Piston
 
25 min pumpdown when used with Shel Lab VPX9 Series 9 cubic foot vacuum oven

Simplicity is the key to the Welch High Throughput Standard Duity Oil-Free Dry Vacuum Pump. As piston wobbles, air resistance on upward stroke expands Teflon seal on piston to increase its efficiency while compensating for the wobble action. The Welch High Throughput Standard Duty Oil-Free Dry Vacuum Pump 2561B-50 is ideal for Shel Labs 1465 Series 4.5 cubic foot and VPX9 Series 9.0 cubic foot capacity vacuum ovens.

For many applications, Welch Dry Vacuum Pumps will provide drying speeds equal to those of traditional, oil-seal pumps.  This means you can upgrade to a cleaner vacuum pump that is easier to maintain.

Suitable samples include: Foods (Nuts, Cheeses, Fruits, etc), Cosmetics, wet or surface-coated samples needing moisture dryoff, chemicals drying, solvent evaporation, and many others. If your samples can be processed at 3 torr – 10 torr pressure levels, a dry pump will work well in 0.67 cubic foot, 1.7 cubic foot, and even 4.5 cubic foot capacity Shel-Lab Vacuum Ovens.

For electronic component bakeout, curing, or other samples requiring pressures of 1-3 torr, Welch Chemstar, DuoSeal (Belt Drive) and Direct Drive Oil-Seal High Vacuum Pumps are excellent choices for all size vacuum ovens.


Features: Ideal for:
  • Vacuum to 5 Torr (29.8, in. Hg)
  • Four sizes: 60, 65, 100 L/min
  • No water or oil
  • Lightweight, compact and quiet
  • Continuous oil-free Pumping
  • Cell harvesting
  • Centrifuge
  • Filtration
  • Aspiration
  • Drying
Specifications:
Free Air Displacement
 

CFM (L/min) @ 60Hz

3.5(100)

(L/min) m3/hr @ 50Hz

4.9(83)
Max. Vacuum, in. Hg 29.8
Ultimate Pressure,
Torr (mbar)
5(6.7)
Stages 2
Tubing Needed,
I.D., in.(mm)
3/8(10)
Weight,
lbs (kg)
24.5(11.1)
Dimensions
(LxWxH), in.
17X7.5X12
Ship Weight,
lbs (kg)
32(14.5)
Electrical Wired for 115V, 60 Hz, 1 PH with N. American 115V Plug
 

Notes:

  1. All pumps supplied with an exhaust muffler and an installed intake hose barb.
  2. 50Hz models provided with CE marking.



 
 
     
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