Fittings · Tube Fittings

Union

A straight union joining two tube runs of the same size in line. Compression at both ends, so a run can be joined or extended without welding, flaring or thread sealant.

Product ID: FIT-TF-04
Available Part Nos.: 18
Category: Tube Fittings

PRODUCT IDFIT-TF-04

18PART NO. ROWS

01T TUBE OD

02A~

03C~

04D~

Tube Fittings

Product overview

Union is a tube fitting configuration for instrumentation tubing and threaded connections.

Tube fittings are defined by connection geometry, tube outside diameter, thread, and the dimensions published for each configuration.

Union is available in 18 published Part No. configurations across 2 specification tables. Published fields include T TUBE OD, A~, C~, D~.

Technical data

Specifications

18 published Part No. configurations

18 configurations

Imperial tubing U

10 Part Nos.

Union, Imperial tubing U specifications.
Part No.	T TUBE OD	A~	C~	D~	EMIN	FA/F	GA/F	HBody
U2	1/8"	1.40	0.60	0.50	0.09	7/16"	7/16"	0.88
U3	3/16"	1.47	0.63	0.64	0.12	7/16"	1/2"	0.95
U4	1/4"	1.61	0.70	0.60	0.19	1/2"	9/16"	1.03
U5	5/16"	1.69	0.73	0.64	0.25	9/16"	5/8"	1.11
U6	3/8"	1.77	0.76	0.66	0.28	5/8"	11/16"	1.19
U8	1/2"	2.02	0.86	0.90	0.41	13/16"	7/8"	1.22
U10	5/8"	2.05	0.86	0.96	0.50	15/16"	1"	1.25
U12	3/4"	2.11	0.86	0.96	0.62	1-1/16"	1-1/8"	1.31
U14	7/8"	2.17	0.86	1.02	0.72	1-1/4"	1-1/4"	1.37
U16	1"	2.55	1.04	1.23	0.88	1-3/8"	1-1/2"	1.59

Metric tubing Um

8 Part Nos.

Union, Metric tubing Um specifications.
Part No.	T TUBE OD	A~	C~	D~	EMIN	FA/F	GA/F	HBody
Um3	3	35.3	15.3	12.9	2.4	11.0	11.0	22.2
Um6	6	41.0	17.7	15.3	4.8	14.0	14.0	26.2
Um8	8	43.2	18.6	16.2	6.3	14.0	16.0	28.2
Um10	10	46.2	19.5	17.2	7.9	17.0	19.0	31.0
Um12	12	51.2	22.0	23.0	9.5	20.6	22.0	31.0
Um16	16	52.3	22.0	24.6	12.7	24.0	25.4	31.8
Um20	20	55.0	22.0	26.1	15.9	30.0	32.0	34.8
Um25	25	65.0	26.5	31.2	21.8	35.0	38.0	40.4