Combination of borosilicate glass piece with ground joint, an interior PTFE shaft guide with integrated special gasket and a GL screw cap made
of polyphenylene sulphide.

• Suitable for vacuum
• Perfect bearing for stirrer shafts made of stainless steel, glass and for BOLA stirrer shafts
• Temperature resistance: –15 to +200 °C
• Chemical resistance

The special gasket made of PTFE and an FPM o-ring which is compressed by a GL screw cap provide a good sealing of the stirrer shaft.

This gasket can be exchanged after wearing.