Stopcocks
Showing 1–12 of 19 results
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Sale!
PYREX® 0-10 mm Plain Bore Rotaflo® Two-Way 90° Angle Stopcock | Corning 7473-10
$172.97Add to cartPYREX® 0-10 mm Plain Bore Rotaflo® Two-Way 90° Angle Stopcock | Corning 7473-10
These high performance Rotaflo® 90° angle stopcocks can be adjusted from a 0 to 10mm bore opening and have 13mm O. D. sidearms. They 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 no O-rings, washers or nuts. The seal is visible when open or closed.
$172.97 -
Sale!
PYREX® 0-10 mm Plain Bore Rotaflo® Two-Way In-Line Stopcock | Corning 7470-10
$167.75Add to cartPYREX® 0-10 mm Plain Bore Rotaflo® Two-Way In-Line Stopcock | Corning 7470-10
These high performance Rotaflo® in-line stopcocks can be adjusted from a 0 to 10mm bore opening and have 13mm O. D. sidearms. They 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 no O-rings, washers or nuts. The seal is visible when open or closed.
$167.75 -
Sale!
PYREX® 0-3 mm Plain Bore Rotaflo® Three-Way Stopcock | Corning 7475-3
$177.48Add to cartPYREX® 0-3 mm Plain Bore Rotaflo® Three-Way Stopcock | Corning 7475-3
These high performance Rotaflo® three-way stopcocks can be adjusted from a 0 to 3mm bore opening and have 8mm O. D. sidearms. They 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 no O-rings, washers or nuts. The seal is visible when open or closed.
$177.48 -
Sale!
PYREX® 0-3 mm Plain Bore Rotaflo® Two-Way 90° Angle Stopcock | Corning 7473-3
$103.50Add to cartPYREX® 0-3 mm Plain Bore Rotaflo® Two-Way 90° Angle Stopcock | Corning 7473-3
These high performance Rotaflo® 90° angle stopcocks can be adjusted from a 0 to 3mm bore opening and have 8mm O. D. sidearms. They 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 no O-rings, washers or nuts. The seal is visible when open or closed.
$103.50 -
Sale!
PYREX® 0-3 mm Plain Bore Rotaflo® Two-Way In-Line Stopcock | Corning 7470-3
$109.08Add to cartPYREX® 0-3 mm Plain Bore Rotaflo® Two-Way In-Line Stopcock | Corning 7470-3
These high performance Rotaflo® in-line stopcocks can be adjusted from a 0 to 3mm bore opening and have 8mm O. D. sidearms. They 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 no O-rings, washers or nuts. The seal is visible when open or closed.
$109.08 -
Sale!
PYREX® 0-6 mm Plain Bore Rotaflo® Three-Way Stopcock | Corning 7475-6
$182.94Add to cartPYREX® 0-6 mm Plain Bore Rotaflo® Three-Way Stopcock | Corning 7475-6
These high performance Rotaflo® three-way stopcocks can be adjusted from a 0 to 6mm bore opening and have 10mm O. D. sidearms. They 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 no O-rings, washers or nuts. The seal is visible when open or closed.
$182.94 -
Sale!
PYREX® 0-6 mm Plain Bore Rotaflo® Two-Way 90° Angle Stopcock | Corning 7473-6
$151.76Add to cartPYREX® 0-6 mm Plain Bore Rotaflo® Two-Way 90° Angle Stopcock | Corning 7473-6
These high performance Rotaflo® 90° angle stopcocks can be adjusted from a 0 to 6mm bore opening and have 10mm O. D. sidearms. They 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 no O-rings, washers or nuts. The seal is visible when open or closed.
$151.76 -
Sale!
PYREX® 0-6 mm Plain Bore Rotaflo® Two-Way In-Line Stopcock | Corning 7470-6
$145.74Add to cartPYREX® 0-6 mm Plain Bore Rotaflo® Two-Way In-Line Stopcock | Corning 7470-6
These high performance Rotaflo® in-line stopcocks can be adjusted from a 0 to 6mm bore opening and have 10mm O. D. sidearms. They 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 no O-rings, washers or nuts. The seal is visible when open or closed.
$145.74 -
Sale!
PYREX® 2 mm Straight Bore Stopcock with PTFE Product Standard Stopper Plug | Corning 7282-2
$491.37Add to cartPYREX® 2 mm Straight Bore Stopcock with PTFE Product Standard Stopper Plug | Corning 7282-2
This PYREX® straight bore stopcock has a Polytetrafluorethylene (PTFE) stopper plug with a 2mm diameter bore. Stopcock sidearms have an 8mm 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 you the position of the plug. Sidearm seals are heavy and strong for greater durability and easier handling. For replacement stopcock plug assemblies, see No. 7681-2. For more information on PTFE stopcocks, please check the Care of Corning PYREX® PTFE Stopcocks under Technical Literature.
$491.37 -
Sale!
PYREX® 2 mm Straight Bore Stopcock with Solid Glass No. 2 Standard Taper Stopper Plug | Corning 7280-2
$554.38Add to cartPYREX® 2 mm Straight Bore Stopcock with Solid Glass No. 2 Standard Taper Stopper Plug | Corning 7280-2
This PYREX® straight bore stopcock has a No. 2 Standard Taper glass stopper plug with a 2mm diameter bore. Stopcock sidearms have an 8mm O. D. Closely controlled grinding techniques allow this general use 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. For replacement stopcock plugs, see No. 7680-2; for replacement retaining clips, see No. 7280-1CO.
$554.38 -
Sale!
PYREX® 4 mm Straight Bore Stopcock with PTFE Product Standard Stopper Plug | Corning 7282-4
$726.02Add to cartPYREX® 4 mm Straight Bore Stopcock with PTFE Product Standard Stopper Plug | Corning 7282-4
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 you the position of the plug. Sidearm seals are heavy and strong for greater durability and easier handling. For replacement stopcock plug assemblies, see No. 7681-4. For more information on PTFE stopcocks, please check the Care of Corning PYREX® PTFE Stopcocks under Technical Literature.
$726.02 -
Sale!
PYREX® 4 mm Straight Bore Stopcock with Solid Glass No. 4 Standard Taper Stopper Plug | Corning 7280-4
$662.68Add to cartPYREX® 4 mm Straight Bore Stopcock with Solid Glass No. 4 Standard Taper Stopper Plug | Corning 7280-4
This PYREX® straight bore stopcock has a No. 4 Standard Taper glass stopper plug with a 4mm diameter bore. Stopcock sidearms have a 10mm O. D. Closely controlled grinding techniques allow this general use 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. For replacement stopcock plugs, see No. 7680-4; for replacement retaining clips, see No. 7280-4CO.
$662.68