Rotaflo Stopcock

Valves, In-Line, Rotaflo® For vacuum or pressure work Borosilicate glass, with Teflon® stem providing chemically inert seal Require no lubrication Permit precide control of liquid or gas flow at temperatures from -40°C to +200°C Maximum vacuum 10 -8 torr…

…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. Rotaflo® stopcock…

…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…

PYREX® 25mL Buret with White Enamel Markings, with Dual Rotaflo® Stopcocks

These 125mL PYREX® glass separatory funnels have Rotaflo® stopcocks and strong, hollow No. 22 Standard Taper glass stoppers. A glass stopper is also included for your convenience. Stem O.D. is 10mm. For replacement glass stoppers, see No. 7650 and for polyethylene stoppers, see No. 7624.

These 50mL PYREX® burets have an automatic zeroing device and dual Rotaflo® stopcocks for easy controlled filling. Greaseless Rotaflo® stopcocks allow smoother control and help eliminate titrating errors

These PYREX® glass separatory funnels have Rotaflo® stopcocks and strong, hollow Standard Taper glass stoppers. A glass stopper is also included for your convenience. Stem O.D. is 10mm. For replacement glass stoppers, see No. 7650 and for polyethylene stoppers, see No. 7624.

…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…

…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…

…and integral acid addition funnel make the cleaning operation simple and safe with no need to dismantle any of the glassware. A large bore ROTAFLO® stopcock with PTFE key is fitted for easy draining of chemicals after cleaning. A flow sensing device will detect any reduction in the flow of…