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Idex - Peristaltic Barbed Tube Connectors - Thread to Barbed Adapters

Our Thread to Barbed Adapters are the ideal solution when you need to connect soft-walled tubing with threaded receiving ports - e.g., connecting of peristaltic pump extension tubing to a traditional selection valve used in chromatographic applications. Within this family of products, we offer three different styles of adapters - standard one-piece adapters; one-piece Conical Adapter Bodies; and our Swivel Barb Adapters. (The standard one-piece adapters and Conical Adapter Bodies feature the convenience of a one-piece adapter but also require the barbed stem -- used for connecting the soft-walled tubing -- to spin as the adapter is connected or disconnected. The Swivel Barb Adapters function as one-piece connectors; however, each adapter is comprised of two pieces that spin freely, which prevents the soft-walled tubing from twisting when these adapters are used.) Each of these adapter styles has been engineered to work well with different soft-walled tubing inner diameter ranges.

Available models

Our Conical Adapter Bodies offer a great solution for connecting soft-walled tubing of varying ID to a 1/4-28 flat-bottom receiving port. They are manufactured from either Tefzel® (ETFE, for superior chemical resistance) or PEEK polymer (for mechanical strength and reliable chemical compatibility), and they feature a two-stage stem over which you can guide your soft-walled tubing to securely hold it in place.


List of available Conical Adapter Bodies

Primary material of construction Thread Port Configuration Thru hole Thread Gender For peristaltic tubing inner diameter
PEEK 1/4-28 Flat-Bottom 0.020 inches/0.50 mm Male 0.020 to 0.030 inches
Tefzel (ETFE) 1/4-28 Flat-Bottom 0.040 inches/1 mm Male 1/16 inches to 3/32 inches
Tefzel (ETFE) 1/4-28 Flat Bottom 0.060 inches/1.50 mm Male 3/32 inches to 1/8 inches

Our Barbed to Threaded Male Adapters make it easy to connect soft-walled peristaltic tubing to several different threaded ports while creating a reliable, low-pressure connection. They are made from inert Tefzel® (ETFE, for superior chemical compatibility) or from PEEK polymer (for good chemical resistance and enhanced mechanical strength).


List of available Standard One-Piece Thread to Barbed Adapters

Primary material of construction Thread Port Configuration Thru hole Thread Gender For peristaltic tubing inner diameter
Tefzel (ETFE) 1/4-28 Flat-Bottom 0.080 inches/2 mm Male 1/8 inches
PEEK 10-32 Flat-Bottom 0.020 inches/0.50 mm Male 1/16 inches
Tefzel (EFTE) 1/4-28 Flat Bottom 0.040 inches/1 mm Male 1/16 inches
Tefzel (ETFE) 1/4-28 Flat-Bottom 0.080 inches/2 mm Male 3/16 inches
Tefzel (ETFE)  - 0.040 inches/1 mm Male 1/16 inches
Tefzel (ETFE)  - 0.040 inches/1 mm Male 1/8 inches
Tefzel (ETFE)  - 0.040 inches/1 mm Male 3/16 inches
PEEK 1/4-28 Flat-Bottom 0.040 inches/1.02 mm Male 1/16 inches
Tefzel (ETFE) 5/16-24 Flat-Bottom 0.010 inches/2.50 mm Male 3/16 inches

Our Swivel Barbed Adapters have been engineered for use with soft-walled tubing and are uniquely designed, made of two captive pieces acting as a one-piece fitting. These 1/4-28 flat-bottom barbed connections spin freely from the nut to prevent twist during installation. Manufactured from polypropylene, these are ideal for use with most aqueous solutions.


List of available Swivel Barbed Adapters

Primary material of construction Thread Port Configuration Thru hole Thread Gender For peristaltic tubing inner diameter
Polypropylene 1/4-28 Flat-Bottom 0.030 inches/0.75 mm Male 1/16 inches
Polypropylene 1/4-28 Flat-Bottom 0.060 inches/1.50 mm Male 3/32 inches
Polypropylene 1/4-28 Flat Bottom 0.080 inches/2 mm Male 1/8 inches
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