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Idex - High Pressure Multiport Connectors - MicroTight® Unions

Our MicroTight Unions are designed to easily connect capillary tubing together. They offer True ZDV (Zero Dead Volume) allowing two pieces of tubing to connect directly to each other using the included gauges and plugs to ensure proper alignment. This allows for an uninterrupted fluidic pathway.

Key Features

Our MicroTight Union Assembly is used specifically to connect capillary tubing together. It features a 0.015 inches thru-hole which adds only a small amount of additional flow-path volume to help ensure proper chromatographic results.


List of available MicroTight® Unions

Thread Port Configuration Swept Volume Thru hole For tubing outer diameter Pressure Rating Max
6-32 Coned  -  - 0.025 inches 4000 psi/276 bar
6-32 Coned  -  - 1/32 inches 5000 psi/345 bar
5/16-24 Coned 5 nL 0.006 inches/0.15 mm 360 µm 5000 psi/345 bar
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Idex Health & ScienceIDEX Health & Science is the global authority in fluidics and optics, bringing life to advanced optofluidic technologies with our products, people and engineering expertise. We are respected worldwide for solving complex problems and delivering complete path innovation for analytical, diagnostic and biotechnology applications for the life sciences market. As a genuine and trustworthy partner, we solve our customers’ most demanding challenges with the industry’s most extensive portfolio of state-of-the-art components and capabilities that are unrivaled in breadth, quality, performance and design. Our vision of the complete path goes far beyond just meeting our customers’ needs — it anticipates them, with intelligent solutions for life.
[IDEX, Upchurch Scientific, Connectors, Multiport, Pressure, High, MicroTight, Unions]