For use with glass, metal and PTFE stirrer shafts.
High level of chemical resistance
Anti-whip and reduced vibration
Vacuum (~5mm Hg) and pressure (3-5psi) performance
Self releasing joint ring
Fits standard ground-glass joint
Maximum recommended speeds: continuous 500rpm, intermittent 800rpm
Unique features of the design are a permanently loaded composite PTFE/PEEK seal and a specifically fabricated glass ball-bearing for rigidity and smoothness of operation. Note: PEEK has a very high level of chemical resistance with some susceptibility only to strong mineral acids.