IDEX Fluidics Fittings

We offer a wide and diverse selection of chromatography fittings to meet your system requirements. A “fitting” refers to a complete product ready to assemble and connect tubing into a part. This could be a one-piece connector or a nut and ferrule packaged together. A “Nut” indicates the male or female threaded product sold separately, and a “Ferrule” is sold separately when indicated in the description. For your convenience we ship most Fittings and Ferrules in 10-packs, however, you may order individual pieces. We are dedicated to providing the most reliable, proven products on the market. We have implemented more stringent testing protocols and a generous safety margin to our ratings to ensure your safety.

See below for a selection of our Fittings or Download Catalog IDEX Fluidics Fittings Chapter

Email us if you have any questions finding the right fitting.

Coned Fittings

IDEX Chromatography Coned Fittings

Most of our Coned Fittings have been engineered to work in the high pressure zone of chromatography systems – the region between the outlet of the pump and the inlet of the column – where the physical stresses on the fittings are generally high, with inline pressures reaching 6,000 psi or higher and in UHPLC applications pressures can reach up to 20000psi or higher. Coned Fittings are specifically manufactured from durable and chemically-inert materials – for example, 316 Stainless Steel, PEEK, PPS, and PCTFE.
See attached for Product List – Coned Fittings.


Flat Bottom Fittings

IDEX Chromatography Flat Bottom Fittings

Couple convenience with performance, with options to effectively secure tubing of multiple outer diameters into traditional, flat-bottom receiving ports. Most of our Flat-Bottom Chromatography Fittings feature the use of an external compression ferrule, which grips the outer wall of the flow path tubing while simultaneously creating a seal against the bottom surface of the receiving port. Most of the ferrules are manufactured from Tefzel™ (ETFE) for excellent compatibility. Numerous options exist, allowing the connection of tubing outer diameters ranging from capillary sizes through 5/16”.  See attached for Product List – Flat Bottom Fittings.


Specialty Fittings and Tools

IDEX Chromatography Specialty Fittings and Tools

Our chromatography Fittings Tools are designed to assist you with your connections. Our Extender Tools are excellent choices to aid it the imperative tightening process. Our Wrench is designed to engage with the heads of the hex-head fittings most commonly used with our valves and stainless steel fittings.  Our Removal Tools are specifically designed to detach LiteTouch® and Super Flangeless™ Ferrules from tubing.  Our Specialty Fittings include our unique ferrule clusters that is for use with our valves. We also feature our TinyTight fittings.  See attached for Product List – Specialty Fittings and Tools.



Tubing Sleeves

IDEX Chromatography Tubing Sleeves

Because most capillary tubing connections are made into coned receiving ports, where the port is not designed to be used with capillary tubing directly, special care must be used to ensure a good connection. While custom ferrules can help make these connections, they only offer a fixed-length nose — and because most tubing pockets will vary slightly in length, this can lead to leaking or dead volume. Our Sleeves allow a capillary tubing connection is standard sized ports.  See attached for Product List – Tubing Sleeves.



Plugs and Caps

IDEX Chromatography Fittings Plugs and Caps


Ideal for storage and closing off chromatography fluidic pathways that are not in use. Our Plugs and Caps offer an ideal solution for sealing 6-32, 6-40, 10-32, ¼-28, M6 or 5/16-24 threaded ports or fittings or to effectively cap off tubing.
See attached for Product List – Plugs and Caps.



Large Bore Fittings

IDEX Chromatography Large Bore Fittings


Specifically designed to work with 5/16-24 & ½-20 threaded fittings. They are designed for tubing with an outer diameter between 1/16″ and 5/16″. Manufactured from Delrin®, PEEK or Stainless Steel they offer excellent chemical resistance. Ferrules are manufactured from fluoropolymer and PEEK adding resilience and durability. We offer our large bore fittings for both coned and flat-bottom ports.
See attached for Product List – Large Bore Fittings.


VHP Fittings

IDEX Chromatography VHP Fittings


We offer an innovative line of Very High Pressure (VHP) chromatography fittings, designed to withstand extreme pressures. This patent-pending line of ground-breaking fitting systems is perfect for use within the increasingly demanding requirements of today’s UHPLC high performance analytical systems.  See attached for Product List – VHP Fittings.



Fittings Kits

IDEX Chromatography Fittings Kits


We manufacture a large selection of convenient chromatography fittings kits, each containing an assortment of products designed to make your life easier and to save you money. Our kits range from our Super Kit – which contains a solid collection of many products you’ll use to accessorize your systems – to more specialized kits like our FIA kit, offering products designed to help you with flow injection analyses. We also offer Manufacturer Compatible Kits.  See attached for Product List – Fittings Kits