The MagSep is designed to provide a septum seal for syringe needles and auto sampler probes without the problems associated with septum coring. The seal works by using magnets to pull a ball up onto an elastomer seat to provide a gas tight seal. When the syringe is inserted, it pushes the ball away from the seal but the assembly remains leak-tight from the seal formed between the needle and the Teflon® PTFE needle guide. Different needle guides are available to suit needle diameters up to a maximum of 1.3mm.

The MagSep is delivered assembled and may be fitted directly into the injection port of your instrument. The thread is 7/16” x 32, which is compatible with the Thermalox injection port, as well as a range of other instruments including most Agilent GCs.

Periodically (we would recommend every 1,000 injections) unscrew the MagSep, carefully remove the stainless steel ball and using DI water, rinse out the ball cavity and seat – it’s as simple as that.

   

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Text Box: Replaces a conventional rubber septum to provide a long-life, bleedless alternative – without septum coring