Stopcocks
| Items | Details | Price |
|---|---|---|
PYREX® 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 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 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 |
PYREX® 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/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/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 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 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 |
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Thermo Scientific Orion Versa Star Meter Promotion
Purchase a new Thermo Scientific Orion Versa Star meter and receive an additional module FREE!
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Thermo Scientific® Orion™ ROSS™ pH Electrodes Promotion
Purchase a new ROSS™ pH electrode and receives two (2) bottles of ROSS™ storage solution and an Orion™ electrode storage sleeve for free.

PYREX® Rotaflo® Two-Way/In-Line Stopcocks w/PTFE Plug
PYREX® Rotaflo® Two-Way/90° Angle Stopcock w/PTFE Plug
PYREX® Straight Bore Stopcocks w/Solid ST Stopper Plug
PYREX® Straight Bore Stopcocks w/PTFE Plug
Polypropylene Stopcocks w/PTFE Plug
Polypropylene Three-Way Stopcocks w/PTFE Plug
KIMAX® Hi-Temp PTFE Stopcock Plug for Separatory Funnels and Burets
KIMAX® PTFE Three-Way Stopcock Plug

Polypropylene Stopcocks w/PTFE Plug