Tube Fittings

Union Cross

Imperial Tube OD

Union crosses are used to connect four fractional tubes of the same size in instrumentation and process piping systems.

Union Cross
Product Image
Union Cross technical drawing
Technical Drawing
Tube Fitting Product

Short Product Description

Union crosses are used to connect four fractional tubes of the same size in instrumentation and process piping systems.

Four-Tube Connection

Connects four fractional tube runs of the same size.

Cross Routing

Supports four-way tube routing in instrumentation layouts.

Instrumentation Duty

Designed for clean routing and dependable installation in instrument and process piping systems.

Imperial Sizes

Union Cross Size Chart

Showing 10 of 10 sizes - 0 selected

2UC

Tube OD 1/8, Thread Tube OD 1/8

C
0.6
D
0.5
E
0.09
F
7/16
G Hex
7/16
H
1.24
Hx
0.62

3UC

Tube OD 3/16, Thread Tube OD 3/16

C
0.86
D
0.54
E
0.12
F
7/16
G Hex
7/16
H
1.38
Hx
0.66

4UC

Tube OD 1/4, Thread Tube OD 1/4

C
0.7
D
0.6
E
0.19
F
9/16
G Hex
9/16
H
1.54
Hx
0.77

5UC

Tube OD 5/16, Thread Tube OD 5/16

C
0.73
D
0.64
E
0.25
F
5/8
G Hex
5/8
H
1.76
Hx
0.88

6UC

Tube OD 3/8, Thread Tube OD 3/8

C
0.76
D
0.66
E
0.28
F
13/16
G Hex
11/16
H
1.82
Hx
0.91

8UC

Tube OD 1/2, Thread Tube OD 1/2

C
0.86
D
0.9
E
0.41
F
13/16
G Hex
7/8
H
2.04
Hx
1.02

10UC

Tube OD 5/8, Thread Tube OD 5/8

C
0.86
D
0.96
E
0.5
F
1
G Hex
1
H
2.06
Hx
1.03

12UC

Tube OD 3/4, Thread Tube OD 3/4

C
0.86
D
0.96
E
0.62
F
1-1/16
G Hex
1-1/8
H
2.34
Hx
1.17

14UC

Tube OD 7/8, Thread Tube OD 7/8

C
0.86
D
1.02
E
0.72
F
1-3/8
G Hex
1-1/4
H
2.72
Hx
1.36

16UC

Tube OD 1, Thread Tube OD 1

C
1.04
D
1.23
E
0.88
F
1-3/8
G Hex
1-1/2
H
2.9
Hx
1.45
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