Chromatography Ferrule and Nut Kits

Ferrules provide secure seals between chromatography columns and injectors and detectors; PEEK and stainless steel are often used in high pressure applications; softer polymers, such as EFTE and polypropylene, are used in low pressure applications.

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Restek™ Waters HPLC Systems: Ferrule

For use with Waters HPLC systems.

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Restek™ Septum Nuts for use with Agilent GCs

For use with Agilent 5890, 6850, 6890, 7890 split/splitless injectors.

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Specifications

Type	Septum Nut

Idex Replacement Ferrules for SealTight™ Fittings

Slotted end on ferrule creates second compression zone for a tight seal

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Specifications

Type	Ferrule
Description	10-32 or M6 coned, for 1/16 in. OD tubing
Color	Black
Material	PEEK

Cole-Parmer Idex Flangeless Male Nut, Standard Knurl, Blue Acetal, 1/16" OD Tubing, 1/4-28 Flat-Bottom; 1/EA

Just slip the nut and ferrule over the tubing and finger tighten the assembly into your receiving port. Unlike the time required to flange tubing, it only takes a few seconds to change the components. Select from various ferrule materials to suit your application.

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Cole-Parmer NUT P-235 1EA

Idex Flangeless Male Nut, Standard Head, Natural PEEK, 1/16" OD Tubing, 1/4-28 Flat-Bottom; 1/EA

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Waters Corp Ferrule, PEEK Double Tight

Ferrule, PEEK Double Tight

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Chemglass Life Sciences Nut, Flangeless, 1/8"", Natural, Tefzel

Nut, Flangeless, 1/8", Natural, Tefzel. Flangeless nut eliminates the need to flange tubing. Used with a flangeless ferrule for a leak-free connection of FEP tubing. Simply insert the tubing through the nut, attach the ferrule (flat end towards the PTFE fitting) to the end of the tubing and finger tighten the nut into place. Nut has a 1/4in- 28 thread, and is molded out of natural Tefzel, a soft fluoropolymer resistant to chemical attack.