These solid PTFE pumps are compact and portable, and they are low maintenance with no air, water or pump oil required. Used for rotary evaporators, solvent recovery systems, vacuum distillation, gel dryers, degassing of liquids, vacuum filtration, desiccators, and vacuum ovens, the pumps will handle most solvent vapors. The head/valve materials are PTFE/Kalrez®.

For Use In:
  • Rotary Evaporation
  • Solvent Recovery Systems
  • Vacuum Distillation
  • High Vacuum Roughing Pump
  • Stack Sampling
  • Gel Dryers
  • Vacuum Drying
  • Desiccators
  • Transfer of Corrosive Gases
  • Vacuum Filtration
  • Degassing of Liquids
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VRP4

QVR-4 Laboport® Vacuum Pump, KNF Neuberger
List Price $3,419.40
Capacity N/A 34 L/min N/A 34 L/min N/A 10 L/min N/A 20 L/min N/A 20 L/min
Head Configuration N/A Two Stage N/A Two Stage N/A Two Stage N/A Single Stage N/A Two Stage
Head Material N/A PTFE
Valves Material N/A Kalrez®
Diaphragm Material N/A PTFE
Vacuum N/A 1.5 Torr29.86 inHg N/A 6 Torr29.7 inHg N/A 6 Torr29.7 inHg N/A 75 Torr27 inHg N/A 6 Torr29.7 inHg
Pressure N/A 15 psig
Dimensions (L x W x H) N/A 33 x 17 x 22 cm N/A 33 x 17 x 22 cm N/A 28 x 14 x 19 cm N/A 32 x 16 x 20 cm N/A 32 x 16 x 20 cm