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Brass Duolok Tube Fitting, 0.38 Inch Tube OD Union Tee

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Description & Features

Designed for precision and reliability, the Brass Duolok Tube Fitting, 0.38 Inch Tube OD Union Tee is an essential component for instrumentation and process tubing systems. This union tee features a robust double ferrule design that ensures leak-proof connections even with variations in tubing materials, hardness, and wall thickness. Crafted from premium CA360 and CA345 brass bar stock, it adheres to ASTM B-16 and ASTM B-453 standards, while the shaped bodies are precision-forged from CA-377 brass compliant with ASTM B-124.

Compatible with copper tubing, Duolok® fittings are engineered for gaugeability, allowing for correct pull-up during installation, and are interchangeable with Swagelok® brand fittings. These fittings maintain performance across a wide range of operating temperatures, although elevated temperatures may affect pressure capabilities. For applications requiring specific pressure ratings, consult with us for guidance.

SKU: IBD6UT

Supplier Part Number (MPN): IBD6UT

Alternate Part Numbers: C1FN75, MI-08750168, MINO-00766X89679

Specifications

A
2.40
Ax
1.20
B
1.82
Bx
0.91
E
0.28
Brand
Ssp Fittings Corp
Brand
SSP Fittings Corp
Pack Size
1.00
UOM
EA
Supplier Part Number
IBD6UT
T
0.38
Alternate Part Numbers
Alternate Part Number C1FN75, Alternate Part Number MI-08750168, Alternate Part Number MINO-00766X89679
Product Weight
0.24 lbs

Similar Products

Model Number T A Ax B Bx E Price Action
Brass Duolok Tube Fitting, 0.38 Inch Tube OD Union Tee

IBD6UT Brass Duolok Tube Union Tee

0.38

2.4

1.2

1.82

0.91

0.28

Product Questions & Answers (2)

Question by: Kurt C on Apr 6, 2026, 6:15 PM
How tight should I make this thing? Don't wanna strip it out.
Answer by: Customer Support on Apr 8, 2026, 8:09 AM
Duolok fittings are gaugeable, so you can ensure sufficient pull-up during the initial installation. Contact us for detailed assembly instructions to get it just right.
Question by: Connie W on Jul 25, 2025, 5:51 PM
got a run of 3/8 copper tube i need to tee off, is this the right kind of fitting for that
Answer by: Customer Support on Jul 27, 2025, 12:17 PM
For copper tubing, this union tee is made to connect 3/8 inch tube OD on all three ends, so it’s a good match when you’re splitting a 3/8 copper line into a branch. It’s a double ferrule Duolok style fitting meant for instrumentation and process tubing hookups.