Across International Ai -40°C 1.5L Capacity Cold Trap w/ 500ml x 3 Glass Traps ETL

Save $159.60 USD
Power Lab Supply 2SKU: T40-UL
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Sale price$3,830.40 USD Regular price$3,990.00 USD



The Ai 2nd Gen -40C/F T40 cold traps now all ETL certified. They have a much smaller footprint, but at the same time, offering you the same cooling power, 1.5X reservoir and 1.6X trap capacity. New upward hose barb ports provide you safer and easier vacuum tubing connection and removal.

In vacuum applications, a cold trap is a device that condenses all vapors except the permanent gases into a liquid or solid. The most common objective is to prevent vapors being evacuated from an experiment from entering a vacuum pump where they would condense and contaminate it. Particularly large cold traps are necessary when removing large amounts of liquid as in freeze drying.

Pumps that use oil either as their working fluid (diffusion pumps), or as their lubricant (mechanical rotary pumps), are often the sources of contamination in vacuum systems. Placing a cold trap at the mouth of such a pump greatly lowers the risk that oil vapors will back stream into the cavity.

Care should be taken when using a cold trap not to condense liquid oxygen (a light blue liquid) into the cold trap. Liquid oxygen is potentially explosive, and this is especially true if the trap has been used to trap solvent. Liquid oxygen can be condensed into a cold trap if a pump has sucked air through the trap when the trap is very cold.

Ai UL/CSA certified T40-UL -40°C/°F cold trap features

  • ETL tested to UL and CSA standards
  • 1.5X more reservoir and 1.6X more trap capacity compare to its predecessor
  • No dry ice or liquid nitrogen needed
  • All steel housing for durability
  • Small footprint, built-in swivel casters for mobility
  • Plug and play, no assembly required









 Model  T40-UL
 Electrical requirements
 110V or 220V, 60Hz 1-PH
 Compressor  Make: Embraco
 Refrigerant: R404A (220g)
 Cooling capacity:
    @ -10°C: 300W
    @ -20°C: 250W
    @ -30°C: 150W
    @ -40°C: 50W

   1.3 gallon (5 liters)
ameter 6 1/4 inches
   Depth: 9 1/2 inches
 -40°C (-40°F)
 Display: digital
 Unit: °C
 Sensor: Pt100
 Finish  Exterior: powder coated steel
polished type 304 stainless steel
 Trap  Material: high borosilicate glass 3.3
 Volume: 500ml
 Diameter: 2 inches
 Depth: 11 1/2 inches
 Quantity: three
 Vacuum level: lower than 500 Micron
 Vacuum connection  3/8" hose barb
 Recommended coolant  50% Ethylene glycol + 50% purified water
 Unit/shipping weight
 100 lbs / 140 lbs
 Unit/shipping dimensions 
 13 x 18 x 26" / 18 x 23 x 38" (WxDxH)
 Compliance  UL 471:2010 Ed.10+R:08Dec2016
 CSA C22.2#120 Issued: 2013/03/01 Ed: 4 Refrigeration Equipment
 Warranty  One year
Standard Packages
Standard package

 Part description


Part image

 Ai T40-UL -40°C/°F cold trap 1 pc

 Glass trap with upward connection ports 3 pcs

 3/8" silicone vacuum tubing 10 ft  
 Radiator cleaning brush 1 pc

 3/8" hose barb to KF25 flange adapter 2 pcs

 Power cord (110V or 220V) 1 pc
 KF25 quick clamp and centering ring 2 sets

 User's manual 1 pc

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