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2L Short Path Distillation Kit

Great Deal. 2L Short Path Distillation Kit
Brand: Best Value Vacs/Closed Loop/Rotary
Product Code: 2L Short Path Distillation Kit
Availability: In Stock
$2,400.00 $2,299.00

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2L Short Path Distillation Kit

2L Short Path Distillation Kit

The 2L Distillation Kit builds upon the same principal as the 1L Distillation Kit, giving users an easy to use system that will get them up and running at an affordable price. It includes all stands, clamps, clips, and tubing needed to begin distilling immediately.

This Kit Does NOT include a vacuum pump or circulator. Please see the below recommendations for both as well as recommended add-ons. Or check out our 2L Standard Distillation Turnkey Setup which includes vacuum pump and circulator. 

Crossbar pictured is not included. We recommend purchasing multiple lab stands to accomodate your specific needs. 

Recommended Vacuum Pumps: 

  • Pro Series 5.6CFM Corrosion Resistant Two Stage Vacuum Pump (recommended option)
  • Just Better 6 CFM 2 Stage Deep Vacuum Pump (economy option) 
  • Best Value Vacs VE280 9CFM Two Stage Vacuum Pump (economy option) 

Recommended Circulator:

  • Polyscience 7 Liter MX Heated Circulator (economy option)
  • Polyscience 7 Liter MX Refrigerated Circulator (premium option with chilling capability)

Recommended Add-Ons: 

  • Glass Dewar Style Cold Trap (recommended cold trap)
  • Bullseye Precison Vacuum Gauge (premium vacuum gauge for measuring depth)
  • CT40 or CT80 Electronic Cold Trap (electronic cold trap, dry ice replacement)


  • Boiling Flask Size: 2L
  • Receveiving Flask Size: 250ml
  • Batch Capacity approximate: 2L = 400-1000 grams
  • Run time: 4 to 8 hours dependent upon material composition and throughput
  • Distillation Temperature Range: 140-250C (Do not exceed 250C)
  • Recommended Condenser Temperature: 40-50C

This Kit Includes:

Glass Components:

  • 2L 2-Neck Boiling Flask 
  • Short Path Head 
  • Triple Neck Cow 
  • 3x 250mL Single Neck Receiving Flask 
  • 1/8" 14/20 PTFE Thermometer Adapter 
  • 1/4" 24/40 PTFE Thermometer Adapter 
  • 120mm Glass Funnel


  • Magnetic PTFE Stirring Bar Retriever
  • 5 Pack of Metal Keck Clips
  • Dow Corning High Vacuum Silicone Grease
  • Tripod Stand
  • 2L Digital Heating and Stirring Mantle
  • 3 Finger Clamp Adjustable 0-70mm
  • 6" x 6" Scissor Jack 
  • 250-500ml Cork Stand
  • 10ft of Vacuum Hose 
  • 10ft of Chiller Hose 
  • 1/4" Vacuum Manifold
  • Traceable Kangaroo Thermometer - Digital 
  • 10 Pack of Adjustable Stainless Steel Tubing Clamps
  • Fiberglass Insulation Rope 10 Feet 
  • 1.5 Gallon Cold Trap (2QT Tank) Dry Ice, Liquid Nitrogen w/ 2x 1/4" Barb Adapters

Distillation Quick Start Guide

This guide gives basic quick start instructions for distillation systems. It is intended to provide a starting point for learning the process. Parameters should be adjusted to suit specific needs,

Before beginning distillation, ensure the following steps have been taken:

  • Vacuum Pump is in good working order. Pump should be run against dry load to allow internals to warm up. Oil should be clear. Cloudy or dark oil should be changed.
  • All glass components are in good working order and ready to be assembled
  • A winterization and degassing procedure has been done to prepare oil for distillation

Once all three of these steps have been completed, you are ready to begin distilling.

  1. Begin by placing stir bar in boiling flask and then load your material. This should be done using a funnel. A small amount of alcohol in the oil will give it a thinner consistency making it easier to transfer.
  2. Assemble all glassware and ensure each joint is properly greased. Do not use too much, as the vacuum pressure might pull some grease into the system. To ensure a full seal, spread grease in a circular motion by rotating glassware
  3. Attach circulator to condenser and set temperature to 50C. Allow circulator to reach temperature before beginning distillation.
  4. Connect vacuum pump to manifold. The manifold will allow you to isolate each individual component as well as let atmosphere into and out of the system.
  5. Connect receiving cow to cold trap.
  6. Connect cold trap to manifold.
  7. Connect vacuum gauge to manifold.
  8. At this point, ensure all connections are correct. Also ensure receiving cow is positioned to collect the first fraction in the far-left receiving flask. Circulator should be at its set temperature. Turn on vacuum pump to begin process.
  9. Turn on heat and set to 60C. Vacuum pump will begin to pull down and temperature will begin to rise. Watch the gauge to monitor vacuum pressure and stability.
  10. Start stir slower and increase speed with temperature.
  11. Once you are close to 60C, increase the temperature 20 degrees. Continue to raise the heat incrementally in 20-degree steps, increasing the set temperature as you near your set point. Increase temperatures incrementally until you reach 220C. 
  12. You will see your first fraction somewhere between 180C and 190C or slightly before. This is the “heads” fraction.
  13. You will move to your second fraction when you see an increased reaction in the head, a slight color change toward golden, as well as a thickening of distillate. When this fraction hits, allow the distillate to “self-clean” the head for a minute or two then, rotate the cow to the middle receiving flask. Collect your “main body” fraction. You will see temps between 190-220C during this fraction. 
  14. Continue to increase stirring speed as necessary. Reaction in the head may vary but it should never stop. As fluid level in the boiling flask decreases, increase stir speed.
  15. The final “tails” fraction is a mixture of the first and second fractions and should be saved for re-distillation later. Ideally, you want to turn the cow to the final flask before the tails fraction hits. The “tails” fraction has an obvious color change and will be darker than the “main body” fraction. You will see temps between 200-250C during this fraction. 
  16. As fluid level in the boiling flask decreases even more, set stirring RPM higher (1000+ RPM). You may need to compensate with a bit more heat to finish of the final fraction as well.
  17. Once process is complete, stop heat, stop stir, and stop vacuum. Let atmosphere into the system. Be sure to properly store your distillate as exposure to air and light can cause oxidation. 

***Note: All units are inspected for broken glass or parts before unit is shipped. If unit arrives damaged or glass is broken (this does not include minor imperfections or scuffs in glassware), Customer MUST contact Best Value Vacs within 3 days of delivery to file a claim and receive a replacement part. If customer DOES NOT contact Best Value Vacs within 3 days of delivery responsibility for replacement parts falls on the customer and they must pay for replacement pieces.***

***Glassware Safety Disclaimer: Best Value Vacs is not responsible for failure of glassware which must be inspected before and after every use because it may eventually develop imperfections or damage through normal usage, mishandling, and stress caused by temperature variations. If an imperfection or damage is noted while inspecting the glassware DO NOT use the glassware because it can fail causing bodily harm or damage to the surrounding area.***

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