Glass Stopcocks

PYREX™ Straight Bore Stopcock with PTFE Product Standard Stopper Plug Available on GSA/VA Contract for Federal Government customers only.

plug stopcock taper PTFE plug fits into a microfinish barrel

Corning™ Rotaflo™ High-Vacuum Stopcocks Available on GSA/VA Contract for Federal Government customers only.

Combine PTFE and borosilicate glass to form a leak- and freeze-resistant seal

PYREX™ Stopcocks with Solid Glass standard taper Plug Available on GSA/VA Contract for Federal Government customers only.

For use in vacuum system to 1 × 10-4 torr

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