Glass Stopcocks

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

Combined PTFE and borosilicate glass forms a leak- and freeze-resistant seal

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

DWK Life Sciences Kimble™ Straight Bore Stopcock without plug, 4mm

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

DWK Life Sciences Kimble™ Replacement Stopcock

Replacement for 17062F Series Burets

DWK Life Sciences 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.

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