PTFE stirrer guides

NB.72

For use with glass, metal and PTFE stirrer shafts.

Features:

• High level of chemical resistance
• Anti-whip and reduced vibration
• Vacuum (~5mm Hg) and pressure (3-5psi) performance
• No shedding
• 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.

Joint: ST/NS29/42

Cowie 005.108.7

12 mm