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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.

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 Configuration Swept Volume Thru hole Pressure Rating Max Colour
1/4-28 Flat-Bottom (PCTFE Male Union Assembly) 61.3 nL 0.062 inches/1.60 mm 500 psi/34 bar Natural

 

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 Configuration Swept Volume Thru hole Pressure Rating Max For tubing outer diameter Colour
1/4-28 Flat-Bottom (Assembly or Body) 0.41 µL 0.020 inches/0.50 mm 1000 psi/69 bar 1/16 inches Natural
1/4-28 Flat-Bottom (Assembly or Body) 2.57 µL 0.050 inches/1.25 mm 1000 psi/69 bar 1/8 inches Natural

 

 

List of available PEEK NanoTight Union Assemblies and Bodies

Thread Port Configuration Swept Volume Thru hole Pressure Rating Max For tubing outer diameter Colour

10-32 Coned (Assembly)

8.0 nL 0.005 inches/125 µm 5000 psi/345 bar 1/16 inches Natural
10-32 Coned (Body) 8.0 nL 0.005 inches/125 µm  - 1/16 inches Natural

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 Configuration Swept Volume Thread to Thread
10-32 Coned to 10-32 Flat-Bottom 0.154 µL Female 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 Configuration Swept Volume Thru hole Pressure Rating Max For tubing outer diameter Colour
1/4-28 Flat-Bottom  -  - 1000 psi/69 bar 1/16 inches Natural
1/4-28 Flat-Bottom  -  - 1000 psi/69 bar 1/8 inches Natural
1/4-28 Flat-Bottom 0.93 µL  0.030 inches/0.75 mm 1000 psi/69 bar 1/16 inches  -
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[IDEX, Upchurch Scientific, Multiport, Connectors, Unions, Low Pressure, Assemblies]