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Rocker 300 Vacuum Pump, 230 V

Additional Information

SKU 167300-22
Flow Rate (lpm) 20
Horsepower 1/8 HP
Power Requirements 230V, 50Hz

Quick Overview

Our vacuum pumps are among the highest quality microbiology supplies of their kind.
Rocker 300 Vacuum Pump, 230V, 50Hz

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  • Rocker 300 Vacuum Pump, 230V, 50Hz

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Our vacuum pumps are among the highest quality microbiology supplies of their kind. All of our vacuum filtration pumps you see here are piston-powered and oil-free and are available in a variety of ranges, including 110 and 220V, and PTFE.

While the Rocker series of vacuum pumps are not chemically resistant, the Chemker vacuum pumps are acid, alkali, and organic solution resistant and can be used for a wider variety of microbiology testing applications. The Gast continuous vacuum filtration pump can be used as both a continuous vacuum for filtration and as a positive pressure filtration pump.

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TLD Chemical Resistant Diaphragm Vacuum Pump Applications


  • Mid-range Vacuum Filtration
  • Desiccation
  • Culture Decontamination Protocols
  • Organic/Aqueous Solvents
  • Light Acid/Base Solutions


  • Vacuum Filtration
  • Desiccation
  • Solid Phase Extraction
  • Microbiology
  • Aspiration/Replacment for Water Aspirator
  • Degassing
  • Vacuum Drying
  • Fume Suction

Rocker Oil-Free Vacuum Pump Applications

  • Filtration for Microbiology Tests
  • Air Sampling
  • Suspended Solid Tests
  • Vacuum Filtration

Gast Vacuum Pump Applications

  • Blood Analysis
  • Respirators/Nebulizers
  • Vacuum Pad Hold-Down
  • Dental/Surgical
  • Automobile Cruise Controls
  • Graphic Arts Equipment
  • Air and Gas Analysis
  • Breast Pumps
  • Sterilizers
  • Air Brushes
  • Agricultural Foam Markers
  • Oil Atomizers
  • Lab Equipment

Vacuum Pump Specifications

Rocker 300
Rocker 300
Rocker 400
Rocker 400
Air Flow Rate (lpm)  60Hz:20  60Hz:37
Max. Vacuum (inHg)  22  24  26.4  26.4  25
Max. Pressure  0.25 bar (3.7 psi)  0.20 bar (2.9 psi)  NA  NA  4.1 bar (60 psi)
Tubing/Port  14 in. Hose Barb  14 in. Hose Barb  516 in. Port Thread  516 in. Port Thread  14 in. NPTF to Hose Barb
(Connects to 38 in. Vacuum Tubing)
Weight  6.4 lbs (2.9 kg)  10.2 lbs (4.6 kg)  9.0 lbs (4.1 kg)  11.5 lbs (5.2 kg)  20.0 lbs (9.1 kg)
Motor  17 HP  15 HP  18 HP  16 HP  18 HP
Noise  54 dB  NA  50 dB  50 dB  NA