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STOPPERS (Hollow)

STOPPERS (Hollow)

STOPPERS (Hollow)

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Adapters, Expansion Reduction Adapters

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Model No: AGN-1320
They are cylindrical or conical sealing devices designed to close or block the openings of tubes, flasks, containers, or systems while allowing some form of passage or ventilation due to their hollow internal structure. Unlike solid stoppers, hollow stoppers may include a central bore, channel, or tubing connection, making them useful for applications involving gas flow, pressure equalization, or insertion of instruments. They are commonly made of rubber, silicone, or synthetic materials and are widely used in laboratory setups, industrial systems, and fluid/gas handling systems.
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Technical Specifications

  • Hollow Design: Includes a central bore or passage that allows fluid, air, or instruments to pass through.
  • Versatile Use: Ideal for setups requiring sealing and simultaneous insertion of thermometers, glass tubing, funnels, or electrodes.
  • Reusability: Made from durable materials (like rubber or silicone) that can withstand multiple uses.
  • Chemical Resistance: Often resistant to a wide range of chemicals and solvents, suitable for lab use.
  • Flexible Fit: Available in various sizes and tapers to fit different vessel openings securely.
  • Thermal Stability: Suitable for autoclaving or heating, depending on material type (especially silicone).
  • Tubing Connection: Some hollow stoppers include integrated side arms or barbed ends for easy tubing attachment.
  • Leak Control: Provide tight seals while maintaining functionality for flow or measurement access.
  • Customizable: Can be modified or selected with different bore diameters for specific experimental needs.
 
Cat. No. Shape Cone Size
1320/1 Hexagonal B 10
1320/2 Hexagonal B 12 or B 14
1320/3 Hexagonal B 19
1320/4 Hexagonal B 24
1320/5 Hexagonal B 29
1320/6 Hexagonal B 34
1320/7 Hexagonal B 40
1320/8 Penny Head B 45
1320/9 Penny Head B 50
1320/10 Penny Head B 55

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