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Hight performance (HP) Rotaflo stopcock,three way stopcock

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Material : Schott Duran Germany & Iwaki Pyrex Japan

Borosilicate glass 3.3

High performance Rotaflo vacuum stopcock providing many significant benefits to the user

‘-Borosilicate glass with PTFE key for excellent chemical resistance

‘-No lubrication required:no seizure and no contamination

‘-Temperature range from 20’c to 200’c

‘-Operates over a pressure range of + 1bar to 10-9 Torr

‘-Individually tested by mass spectrometer and supplied with certificate for guaranteed performance

‘-Locking ring to prevent accidental removal of key

‘-Fully interchangeable keys

‘-Economy key for good grip and easy operation

All HP Rotaflo stopcock are individually tested for 10-9 Torr vacuum performance and supplied with tested certificate.


Cat. No. Key Bore (mm)
Sidearm bore (mm)
Sidearm O.D.(mm)
Approx.overall length (mm)
1407.HP3TW/5 3 5 8 215
1407.HP6TW/7 6 7 10 220

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