Glass Stopcocks

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

Kimble™ Kontes™ PTFE Plug for Straight Bore Stopcocks, Size 2

PTFE Stopcock Plug size 11/25 for 2mm bore size

Kimble™ Replacement Stopcock

Replacement for 17062F Series Burets

Kimble™ Straight Bore Stopcock without plug, 4mm

Straight-bore, sandblasted stopcock with a 1:5 taper.

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

Kimble™ Kontes™ Straight Bore Stopcock with PTFE Plug

The more exaggerated taper of this stopcock permits easier use at higher-than-ambient temperatures. Available in size 2 or 4.

Kimble™ Kontes™ PTFE Plug for Straight Bore Stopcocks, Size 6

PTFE Stopcock Plug size 16/35 for 6mm bore size

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