Stopcocks

Items Details Price
PYREX® Rotaflo® Two-Way/In-Line Stopcocks w/PTFE PlugPYREX® Rotaflo® Two-Way/In-Line Stopcocks w/PTFE Plug
(S6040)
These high performance Rotaflo® in-line stopcocks are designed so that only chemically resistant polytetrafluoroethylene (PTFE) and PYREX® borosilicate glass are in contact with liquids and gases. The Rotaflo® stopcock design permits fine flow adjustment. Lubrication is not required and assembly is fast because there are... $83.50
PYREX® Rotaflo® Two-Way/90° Angle Stopcock w/PTFE PlugPYREX® Rotaflo® Two-Way/90° Angle Stopcock w/PTFE Plug
(S6080)
These high performance Rotaflo® 90° angle stopcocks are designed so that only chemically resistant polytetrafluoroethylene (PTFE) and PYREX® borosilicate glass are in contact with liquids and gases. The Rotaflo® stopcock design permits fine flow adjustment. Lubrication is not required and assembly is fast because there a... $79.22
PYREX® Straight Bore Stopcocks w/Solid ST Stopper PlugPYREX® Straight Bore Stopcocks w/Solid ST Stopper Plug
(S6140)
Closely controlled grinding techniques allow this general use PYREX® stopcock to be used at pressures down to 10{-4} torr (mm Hg) when correctly greased. For additional strength, sidearm seals are heavy and uniform. $60.30
SmallPYREX® Straight Bore Stopcocks w/PTFE Plug
(S6160)
This PYREX® straight bore stopcock has a No. 3 PS stopper plug with a 3mm diameter bore. Stopcock sidearms have a 10mm O. D. The PS 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 you "feel" the position of the plug. ... $71.22
Polypropylene Stopcocks w/Teflon PlugPolypropylene Stopcocks w/PTFE Plug
(S6280)
Polypropylene stopcock with PTFE plug. Serrated tubulation on each end. Accepts 1/4" through 5/16" tubing. $38.76
Polypropylene Three-Way Stopcocks w/Teflon PlugPolypropylene Three-Way Stopcocks w/PTFE Plug
(S6284)
Polypropylene three-way stopcocks w/PTFE plug. Three tubulated outlets arranged in T shape; connect any two or all three arms of the stopcock. Accepts 1/4" through 5/16" tubing. Non-seizing, leakproof plug. $44.49
KIMAX® Hi-Temp PTFE Stopcock Plug for Separatory Funnels and BuretsKIMAX® Hi-Temp PTFE Stopcock Plug for Separatory Funnels and Burets
(S6433)
Handle and nut are color coded blue to indicate resistance to higher temperature 180° C applications. Replacement for separatory funnels and funnel-fill burets requiring PTFE stopcock plugs. Plugs are furnished with nut, rubber washer and washer. Designed from ASTM Specification E911. $59.34
KIMAX® PTFE Three-Way Stopcock PlugKIMAX® PTFE Three-Way Stopcock Plug
(S6445)
Replacement for reservoir fill burets and pipets requiring PTFE three-way stopcock plugs. Plugs are furnished with a nut, rubber washer, and HDPE washer. $107.65