Astraglass Innovations (Quark Enterprises, Inc.) - QVR-4 Laboport® Vacuum Pump, KNF Neuberger

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

Unit of Measure

Items	QVR-4-1 QVR-4 Laboport® Vacuum Pump, KNF Neuberger List Price $6,880.20	QVR-4-3 QVR-4 Laboport® Vacuum Pump, KNF Neuberger List Price $4,600.70	QVR-4-6 QVR-4 Laboport® Vacuum Pump, KNF Neuberger List Price $2,973.90	QVR-4-7 QVR-4 Laboport® Vacuum Pump, KNF Neuberger List Price $2,673.40	QVR-4-4 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