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Acc. to DIN 12249

Part No. Socket Size Approx. O.D. OF TUBE Total length APPROX. (mm) Pack (qty.)
1250-12S 12/21 16 120±10 10
1250-14S 14/23 18 120±10 10
1250-19S 19/26 22 125±10 10
1250-24S 24/29 28 135±10 10
1250-29S 29/32 32 135±10 10
1250-34S 34/35 38 150±10 10
1250-40S 40/38 45 150±10 10
1250-45S 45/40 50 150±10 10
1250-50S 50/42 55 150±10 10

Here are some common uses of glass joints in a laboratory setting:

  1. Glass Distillation Apparatus:
    • Distillation setups often use glass joints to connect different components like the boiling flask, condenser, and receiving flask.
  2. Reaction Vessels:
    • Glass joints are used in assembling reaction vessels for chemical reactions. This allows for easy assembly and disassembly of the apparatus.
  3. Chromatography Columns:
    • Chromatography columns may have glass joints to connect various sections of the column, allowing for easy packing and unpacking.
  4. Vacuum Systems:
    • Glass joints are often used in vacuum systems, where airtight connections are crucial for maintaining the vacuum.
  5. Condensers and Reflux Systems:
    • Glass joints are commonly used in condenser setups for reflux reactions, allowing for the efficient condensation and return of vapors to the reaction vessel.
  6. Laboratory Glassware Assembly:
    • Glass joints enable the assembly of various pieces of laboratory glassware, facilitating the creation of customized setups for specific experiments.
  7. Jointed Glassware for Education:
    • Glass joints are frequently used in educational laboratory settings where students learn about assembling different types of glassware for specific experiments.
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