3MM HP ROTAFLO STOPCOCK, Pack of 5

3MM HP ROTAFLO STOPCOCK
 
Three way high vacuum stopcocks
These three way high vacuum stopcocks utilise two Rotaflo? High Performance stopcocks with either 3mm or 6mm bore keys.
Rotaflo? High Performance vacuum stopcocks 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 the key
Fully interchangeable keys
Ergonomic key for good grip and easy operation