Flare Union

*-The working assumption for the chart below is that the temperature is 73°F with copper tubing

Tube OD 1/8" 3/16" 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 7/8"
Working Pressure
(PSI)		 2800 1900 1400 1200 1000 750 650 550 450
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Unit of Measure
Items
Union 45deg Flare Diagram

1/8" Tube O.D. (5/16-24 Thread) Flare Union SAE 45 Degree Flare Brass
Price $6.58
Union 45deg Flare Diagram

3/16" Tube O.D. (3/8-24 Thread) Flare Union SAE 45 Degree Flare Brass
Price $4.01
Union 45deg Flare Diagram

1/4" Tube O.D. (7/16-20 Thread) Flare Union SAE 45 Degree Flare Brass
Price $2.36
Union 45deg Flare Diagram

1/4" Tube O.D. (7/16-20 Thread) Flare Union SAE 45 Degree Flare Brass Light Pattern
Price $1.30
Union 45deg Flare Diagram

5/16" Tube O.D. (1/2-20 Thread) Flare Union SAE 45 Degree Flare Brass
Price $2.45
Description N/A SAE# 010101 N/A SAE# 010101 N/A SAE# 010101 N/A

These Fittings are completely interchangeable with full pattern fittings but have been modified in some way. This modification is usually in the length of the pipe threads. Used in plumbing and light industrial applications


SAE# 010101 		N/A SAE# 010101
Tube O.D. N/A 1/8" N/A 3/16" N/A 1/4" N/A 1/4" N/A 5/16"
Thread Size N/A 5/16-24 N/A 3/8-24 N/A 7/16-20 N/A 7/16-20 N/A 1/2-20
A N/A 0.91 N/A 1.06 N/A 1.19 N/A 1.19 N/A 1.34
Hex N/A 0.31 N/A 0.37 N/A 0.43 N/A 0.43 N/A 0.50