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Welch Dry Vacuum Pump 2581B-50 WOB-L 3.5 cfm NEW 115V 1PH

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SKU: 40.44045.01

Additional information

Weight 25 lbs
New / Rebuilt

Level of Vacuum

CFM / L/M (Displacement)

Inlet / Exhaust

Motor

Power Options

Description

As a Welch distributor, we are proud to offer their full line of PTFE oil-free laboratory vacuum pumps for chemical duty to pump acid vapors and corrosive gases as well as economical standard lab duty pumps in a range of sizes and vacuum levels for pumping water vapor and non-corrosive gases. The GELMASTER® and SELF-CLEANING DRY VACUUM SYSTEMS are fully configured for gel drying, and for rotary evaporation and other applications. Finally, Welch dry rotary vane pumps are an economical solution for pumping dry air.

Welch Dry Vacuum Pump 2581B-50 WOB-L 3.5 cfm NEW 115V 1PH Specifications

 

  Standard Duty Vacuum Pumps
  2561 2567 2581
Free Air Displacement  
CFM (L/min) @ 60Hz 2.1(60)) 3.5(100) 3.5(100)
m3/hr (L/min) @ 50Hz 3.0(50) 4.9(83) 4.9(83)
Ultimate Pressure, Torr (mbar) 5(6.7) 60(80) 5(6.7)
Max Pressure PSIG (pascal) ––––––––– ––––––––– –––––––––
   
Maximum Vacuum, in. Hg 29.8 27.6 29.8
Motor Horsepower (watts) 1/3(250) 1/3(250) 1/3(250)
Tubing Needed, I.D. in. (mm) 3/8(10) 3/8(10) 3/8(10)
Intake/Exhaust Thread NPT 1/4 1/4 1/4
Weight (lbs.) 16.5 16.5 24.5
Overall Dimensions  
L in. (cm) 17.3(43.9) 15.0(38.1) 17(43.2)
W in. (cm) 6.5(16.5) 10(25.4) 7.5(19.1)
H in. (cm) 10.5(26.7) 10(25.4) 12(30.5)
Ship Weight, lbs (kg) 24(10.9) 24(10.9) 32(14.5)
Shipping Carton Dimensions 21.5 x 12.5 x 16 21.5 x 12.5 x 16 21.5 x 12.5 x 16
L x W x H in. (cm) (55 x 32 x 41) (55 x 32 x 41) (55 x 32 x 41)

 

Click Below for Specification Sheet

Welch Oil-free Pumps

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