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Stainless Steel Duolok Tube Fitting, 0.25 Inch Tube OD Union Tee

A 2.12	Ax 1.06	B 1.54	Bx 0.77	E 0.19	Brand Ssp Fittings Corp	Brand SSP Fittings Corp	Pack Size 1.00	UOM EA	Supplier Part Number ISSD4UT	T 0.25	Alternate Part Numbers Alternate Part Number C1FP19, Alternate Part Number MI-08750228, Alternate Part Number MINO-00766X89719, Alternate Part Number SS-400-3	Product Weight 0.15 lbs

Product Questions & Answers 3

Product Questions & Answers

got a 1/4 inch stainless tube run and need to branch off it, is this the right tee fitting?

Question by: Dustin S on Jun 13, 2025, 6:03 AM

For a 1/4 inch tube OD line, this union tee is the correct size since it is built for 0.25 inch tubing and is meant to create a three-way connection in instrumentation and process tubing systems.

Answer by: Customer Support on Jun 15, 2025, 6:58 AM

these swap right in for Swagelok fittings, yeah? got a system already running their stuff and don't want to tear everything apart

Question by: Rick G on Apr 12, 2025, 4:09 PM

Fully interchangeable with Swagelok tube fittings, so you can drop them right into an existing system without any modifications. Same double ferrule design, same pull-up behavior on installation. A lot of folks running mixed inventories use these exactly that way without any issues.

Answer by: Customer Support on Apr 14, 2025, 2:59 PM

What size tubing does this union tee fit? Gotta make sure I get the right size.

Question by: Janet T on Jul 26, 2025, 8:51 AM

This particular Duolok union tee is designed for tubing with a 0.25 inch outer diameter.

Answer by: Customer Support on Jul 28, 2025, 6:40 AM

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Model Number	T	A	Ax	B	Bx	E	Price	Buy Now
ISSD4UT	0.25	2.12	1.06	1.54	0.77	0.19