• VDS5000 Manual Vacuum Distillation System

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Determines the range of boiling points for petroleum products that can be partially or completely vaporized at a maximum liquid temperature of 400°C at reduced pressures. The sample is distilled at a controlled, reduced pressure under conditions that are designed to provide approximately one theoretical plate fractionation. Initial and final boiling point is measured and a distillation curve relating volume percent distilled and the atmospheric equivalent boiling point temperature can be prepared.

  • Conforms to ASTM D1160 and related specifications
  • Comes standard with glassware set and accessories kit for "turn-key" setup and operation
  • Equipped with digital temperature and vacuum displays for improved measurement reading and accuracy
  • Upgrade to glassware set composed entirely of quartz available upon request
  • Shut off valve on the tubing to prevent leaking water upon disconnect
  • New water catch tray that slides to the side for hassle-free removal of the lower receiver (no longer requires complete disassembly of glassware)
  • Addition of a vent valve to assist in the draining of liquid from the system
  • Modified door hinge system to reduce the footprint of the doors when opened

The Koehler VDS5000 Manual Vacuum Distillation System is the latest design for determining, at reduced pressures, the range of boiling points for petroleum products according to ASTM D1160 and related specifications. A 5-Liter Stainless Steel Surge Tank is used to reduce pressure fluctuations during testing. The control unit of the system features a versatile, compact, modern design. Dual temperature displays independently show both the overhead and flask temperature of the system. Built in cooling fan rapidly cools the distilling flask allowing the user to handle glassware and shorten turnaround time in between test runs. Equipped with complete glassware set and accessories kit for “turn-key” installation and operation of the Vacuum Distillation System. The Standard Glassware Set consists of 500mL quartz distilling flask with thermowell, vacuum jacketed distilling column and condenser assembly, water jacketed receiving cylinder, 90° elbow adapter tube, Dewar-Type Cold Trap with 10mL graduated receiver and stopcock drain, PT100 probe adapter, PT100 vapor temperature probe and PT100 flask temperature probe. The system also includes an adjustable scissor jack, heating mantle, retaining springs, ball joint clamps, connection tubing, hose clamps, quick connect adapters and fittings for easy connection of jacketed glassware and tubing and vacuum grease.

115V 60Hz
220-240V 50/60Hz

  • K80320 VDS Vacuum Pump with Kit
  • Consists of Vacuum Pump, Hose Nozzle,
  • Centering O-Ring, Hinged Clamp, Outlet Filter,
  • Filter O-Ring, Filter Clamp, 1 Liter Vacuum Oil,
  • Connection Tubing, Hose Clamp (2)
  • K33062 Standard Constant Temperature Circulation Bath, 115V 60Hz
  • K33063 Standard Constant Temperature Circulation Bath, 220-240V 50/60Hz
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