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The Ai T40 -40°C/°F cold trap is a device that condenses all vapor 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.
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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 T40 -40°C/°F cold trap features
Specifications
Model | T40 |
Electrical requirements |
110V 60Hz 1-PH 6A or 220V 50/60Hz 1-PH 3A, 660 watts |
Compressor | Make: Embraco Power: 1/3 HP (single stage) Refrigerant: R410A Cooling capacity 110V: 1030 BTU / 260 Kcal/h / 302W 220V: 840 BTU / 212 Kcal/h / 246W |
Reservoir |
Volume 0.9 gallon (3.5 liters) Dimensions Top diameter 7 inches Bottom diameter 6 1/2 inches Height 8 1/4 inches |
Temperature |
Range: -40°F (-40°C) to ambient Display: digital Unit: °F |
Finish | Exterior: powder coated steel Interior: polished type 304 stainless steel |
Trap | Material: high borosilicate glass 3.3 Volume: 300ml Quantity: three |
Vacuum connection | 3/8" hose barb |
Recommended coolant | For 50°F/10°C or higher: purified water Between 50°F/10°C and -40°F/°C: 50% Ethylene glycol + 50% purified water |
Unit/shipping weight |
68 Lb / 160 Lb |
Unit/shipping dimensions |
19 x 23 x 28" / 26 x 31 x 38" (WxDxH) |
Standard package
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