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Welch™ Compact Aspiration/Filtration Vacuum Stations: Aspiration/Pressure Transfer Station Model 2511 Series

Accumulate waste liquids safe and easily. Aspiration systems prevent ingestion of fluids leading to vacuum pump failure.

Manufacturer: welch™  2511B75

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Catalog No. 01-055-10

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Description & Specifications


Horsepower 0.033hp
Voltage 115V
Hertz 60Hz
Height (English) 10 in.
Height (Metric) 25.4cm
Width (English) 8.3 in.
Length (English) 11 in.
Length (Metric) 28cm
Shipping Weight (English) 11 lb.
Shipping Weight (Metric) 5kg
Includes 1.2L Autoclavable collection receiver, a hydrophobic inline filter, an automatic shutoff, vacuum regulator
Pressure 292mbar
Certifications/Compliance CE
Flow Rate 11L/min.
Electrical Requirements 115V 60Hz
For Tube Size (English) 0.18 in.
For Tube Size (Metric) 0.5cm
Model 2511B-75
Type Aspiration/Pressure Transfer Station
Weight (English) 5.7 lb.
Weight (Metric) 2.5kg

  • Bleach resistant construction for extending service life
  • Continuous vacuum level monitoring with dial vacuum gauge
  • Powered by WOB-L piston vacuum pump

Aspiration/Pressure Transfer Station Model 2511

  • Free air displacement: CFM(L/Min) at 60Hz: 0.39(11), m3/hr(L/min) at 50Hz: 0.55(9.2)
  • Ultimate pressure: 219 torr (292mbar)
  • Maximum pressure: 3.3 × 105 Pa (33psig)
  • Maximum vacuum in Hg: 21.3 in.
  • Motor: 0.033 hp (25w)
  • Tubing I.D.: 0.18 in. (5mm)
  • Intake/exhaust thread NPT: 0.18 in. (5mm) hose
  • Dimension: 28L x 21W x 25.5 in.H (11 x 8.3 x 10cm)
  • Weight: 5.7 lb. (2.5kg)

Recommended for aspirating aqueous and bleach solutions and not for acidic, basic or organic vapors and gases