Stopcocks

These high performance Rotaflo® 90° angle stopcocks can be adjusted from a 0 to 10mm bore opening and have 13mm O. D.

These high performance Rotaflo® three-way stopcocks can be adjusted from a 0 to 3mm bore opening and have 8mm O. D.

These high performance Rotaflo® 90° angle stopcocks can be adjusted from a 0 to 3mm bore opening and have 8mm O. D.

These high performance Rotaflo® three-way stopcocks can be adjusted from a 0 to 3mm bore opening and have 8mm O. D.

This is a replaceable glass tip for the Polytetrafluorethylene (PTFE) non-locking stopcock assembly No. 2145-SO.

Similar to CG-595, but with the arms bent to minimize hold-up.

A 1:5 taper PTFE plug having a threaded needle valve to allow the adjustment of flow through the bore of the plug.

A 1:5 taper PTFE plug having a threaded needle valve to allow the adjustment of flow through the bore of the plug.

Solid glass high vacuum stopcock with the Chemglass constant pressure retention device. This unique retaining system incorporates a glass plug having an extended snelling which accepts a stainless steel spring and clip.

Solid glass high vacuum stopcock with the&nbspNEW&nbspChemglass improved constant pressure retention device. This unique retaining system incorporates a glass plug having an extended snelling which accepts a stainless steel spring and clip.

Solid glass high vacuum stopcock with the&nbspNEW&nbspChemglass improved constant pressure retention device. This unique retaining system incorporates a glass plug having an extended snelling which accepts a stainless steel spring and clip.

Solid glass high vacuum stopcock with the&nbspNEW&nbspChemglass improved constant pressure retention device. This unique retaining system incorporates a glass plug having an extended snelling which accepts a stainless steel spring and clip.