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8311 Series - Diaphragm Pumps

The Thomas 8311 Series is a high-vacuum, oil-less diaphragm pump designed to deliver reliable performance and exceptional air-liquid mixture handling for demanding autoclave and OEM applications.
  • Outstanding air-liquid mixture handling capability
  • Oil resistance and anti-corrosion feature
  • Easy assembly for better serviceability
  • Low sound and vibration levels
  • Consistent performance
  • Higher reliability for stable daily operation

Key Specifications

Flow Rate (gas) (L/min)

43

L/min

Vacuum (mbar)

-983

mbar

Part Number

Head Configuration

Max. Flow

Max. Pressure

Max. Vacuum

Motor Type

Nominal Voltage

Weight

83112202

Vacuum

1.41 cfm (40.0 l/min)

N/A

97%

AC

100V 50/60hz

11.9 lb (5.4 kg)

83112002

Vacuum

1.52 cfm (43 l/min)

N/A

97%

AC

230V 50hz, 220V 50/60hz

11.9 lb (5.4 kg)

  • Autoclave
  • Vacuum lift
  • Gas analysis
  • Laboratory vacuum equipment

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