Idex – Low Pressure Multiport Connectors – Union Assemblies

Low Pressure Unions are available in a variety of polymers, providing several low-cost and chemically-resistant options. Manufactured from PEEK, Tefzel (ETFE), Derlin, polypropylene or PCTFE our unions deliver excellent chemical resistance. These versatile unions are available with ¼-28, M6 or 10-32 flat bottom threads

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Overview

Features

Specifications

Available Models

Our low pressure Male Union efficiently connects tubing in low pressure regions of a system where a dependable connection is imperative. We manufactured this union from PCTFE which delivers excellent chemical resistance.


List of available PCTFE Union Assemblies

Thread Port ConfigurationSwept VolumeThru holePressure Rating MaxColour
1/4-28 Flat-Bottom (PCTFE Male Union Assembly)61.3 nL0.062 inches/1.60 mm500 psi/34 barNatural

Our low pressure PEEK Union Assembly/Body efficiently connects tubing in low pressure regions of a system where a dependable connection is imperative. Made from resilient PEEK it delivers excellent solvent resistance. Our NanoTight Union has an enhanced internal design that greatly reduces the incidence of tubing misalignment. It’s webbed thru-hole prevents the breaking of fused silica and produces minimal swept volume which results in fewer blockages, fewer rate reductions and fewer back pressure problems.


List of available PEEK Union Assemblies and Bodies

Thread Port ConfigurationSwept VolumeThru holePressure Rating MaxFor tubing outer diameterColour
1/4-28 Flat-Bottom (Assembly or Body)0.41 µL0.020 inches/0.50 mm1000 psi/69 bar1/16 inchesNatural
1/4-28 Flat-Bottom (Assembly or Body)2.57 µL0.050 inches/1.25 mm1000 psi/69 bar1/8 inchesNatural

List of available PEEK NanoTight Union Assemblies and Bodies

Thread Port ConfigurationSwept VolumeThru holePressure Rating MaxFor tubing outer diameterColour
10-32 Coned (Assembly)8.0 nL0.005 inches/125 µm5000 psi/345 bar1/16 inchesNatural
10-32 Coned (Body)8.0 nL0.005 inches/125 µm –1/16 inchesNatural

Our Union with Zero Dead Volume is manufactured from durable 316 stainless steel giving is excellent longevity and chemical resistance to virtually all commonly used solvents. Our union delivers ZDV which allow for an uninterrupted fluidic path.


List of available Stainless Steel Union Assemblies

Thread Port ConfigurationSwept VolumeThread to Thread
10-32 Coned to 10-32 Flat-Bottom0.154 µLFemale to Male

Our low pressure Standard Union efficiently connects tubing in low pressure regions of a system where a dependable connection is imperative. Our union provides true ZDV which allows tubing join together without interrupting the fluidic path. Made from Tefzel (ETFE) it delivers excellent solvent resistance.


List of available Tefzel (ETFE) Union Assemblies

Thread Port ConfigurationSwept VolumeThru holePressure Rating MaxFor tubing outer diameterColour
1/4-28 Flat-Bottom – –1000 psi/69 bar1/16 inchesNatural
1/4-28 Flat-Bottom – –1000 psi/69 bar1/8 inchesNatural
1/4-28 Flat-Bottom0.93 µL 0.030 inches/0.75 mm1000 psi/69 bar1/16 inches –

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