Replacement PTFE Straight Bore Stopcock Plug Assembly, Corning®
This PYREX® straight bore stopcock has a Polytetrafluorethylene (PTFE) stopper plug with a 4mm diameter bore
Stopcock sidearms have a 10mm O.D. The Product Standard taper PTFE plug fits into a micro-finish barrel. Freezing problems are reduced and greasing is eliminated. The very fine threads on the plug and nut let users "feel" the position of the plug. Sidearm seals are heavy and strong for greater durability and easier handling. Replacement stopcock plug assemblies are available seperately. For more information on PTFE stopcocks, please check the Care of Corning® PYREX® PTFE Stopcocks under Technical Literature.