VICI Safety Cap with stopcocks, GL45 Thread, 2 ports

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Article No.: A59233
Articlename: VICI Safety Cap with stopcocks, GL45 Thread, 2 ports

VICI Safety Cap with stopcocks, GL45 Thread, 2 ports

VICI Safety Cap with stopcocks, GL45 Thread, 2 ports, 1/4"-28 connection, including O-ring EPDM, nuts and ferrules

  • Built-in stopcocks for easy interruption of solvent lines
  • Fit all bottles or canisters with GL45 thread
  • Prevent evaporation of volatile compounds
  • 2, 3, and 4 ports available
  • Stopcocks rated up to 72 psi gas at 25°C


GL45 safety caps seal to the bottle with an O-ring (EPDM) which is resistant to commonly used HPLC solvents. If improved chemical resistance is required (e.g. for halogenated hydrocarbons), order an FEP-coated O-ring separately.

Unused ports can be closed with the stopcock. All ports can handle 1/8" or 1/16" OD tubing. 



  • 1 cap, GL45 thread, with stopcocks
  • 1 O-ring, EPDM
  • 1 set: 1/16" nut/ferrule/color-sleeve adapter
  • 1, 2, or 3 sets: 1/8" nut/ferrule/color-sleeve adapter
  • Additional nuts and ferrules for the bottom side connections

Key Features

Technical Data


Type Caps

Certified Quality 

KNAUER is known for the quality of its products and has been certified several times. We produce high-tech laboratory instruments for research, routine analysis and production for 59 years.
See all Quality certificates

In addition, we have extended documentation about all our products, including CE Declarations of Conformity.
See all CE Declarations of conformity

Innovation and quality - since 1962. Made in Germany.

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Technical data or prices are subject to change without notice. Prices may vary by country and do not include taxes, customs duties or delivery.
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