CatalogueVacuum technology, Drying, Dry storageAccessoriesCold traps, Woulff bottlesCold traps with Dewar flask, borosilicate glass 3.3, one-piece, standard version
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Cold traps with Dewar flask, borosilicate glass 3.3, one-piece, standard version

One-piece cold trap with matching Dewar flask made of borosilicate glass 3.3 for vacuum applications. Ideal for condensing out moisture or solvents. The Dewar flasks are vacuum-insulated, silver-plated and have a blue-coated metal protective jacket with a support ring into which the cold trap is hung.
Versions of the cold trap connections:
  • S 29 = spherical ground joint S 29
  • O 29 = spherical ground joint S 29 with O-ring seal
  • GL 18 = glass thread GL 18 with PTFE olive Ø 10 mm


Scope of supply: Cold trap, support ring, Dewar flask type 12 C

The standard assembly is designed for use with LN2 as coolant. When using CO2 and acetone please order CO2 wire basket separately.
Volume condensate:150 ml
Cold traps with Dewar flask, borosilicate glass 3.3, one-piece, standard version





Cold traps with Dewar flask, borosilicate glass 3.3, one-piece, standard version
 TypeVolume coolant
ml		Connection sizePK
KF 29-KProd.No.9.032 0651000S 291
KF 29-OKProd.No.9.032 0661000O 291
KF 29-GLProd.No.9.032 0671000GL 181

Accessories:

Accessories:

CO2 wire baskets for cold traps with Dewar flask

Spare cold traps for cold traps with Dewar flask, borosilicate glass 3.3, one-piece, standard version

Alternate products:

Alternate products:

Cold traps with Dewar flask, borosilicate glass 3.3, one-piece, long version

Cold traps with Dewar flask, borosilicate glass 3.3, one-piece, long version with spout

Cold traps with Dewar flask, borosilicate glass 3.3, one-piece, long version with KF NW small vaccum flange

Cold traps with Dewar flask, borosilicate glass 3.3, one-piece, standard version with spout

Cold traps with Dewar flask, borosilicate glass 3.3, one-piece, standard version with KF NW small vacuum flange