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> Corning pyrex rotaflo stopcock 2-way 7474-2 90 degree
Corning pyrex rotaflo stopcock 2-way 7474-2 90 degree
This listing is for one (1) Corning Rotaflo stopcock. Corning catalog number 7474-2; Pyrex brand. This stopcock is new, has never been used and in manufacturer's original packaging.
* Sidearm length: 102 mm (approx.)
* Capillary sidearm O.D.: 7 mm
These stopcocks have a Pyrex brand body, PTFE high performance plug, 2-way, 90 degree angle, one plain bore and one capillary bore.
These high performance Rotaflo 90 degree angle stopcocks can be adjusted from a 0 to 2 mm bore opening. 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; there are no O-rings, washers or nuts. The seal is visible when open or closed. This Rotaflo stopcock is designed for use with borosilicate glass burettes.
