SC Fastening Systems, LLC.
8531 S. Freeway Dr
Macedonia, Ohio 44056
Call us: 330.468.3300
Email us: info@scfastening.com
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Union Internal Inverted Flare

*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"
Working Pressure
(PSI)		 2800 1900 1400 1200 1000 750 650 550
1317-12-026
Inverted Flare Union Internal Diagram
Unit of Measure
Items Inverted Flare Union Internal Diagram
1317-12-022
1/8" Tube O.D. (5/16-28 Thread) Inverted Flare Union Internal
Price $2.08
 Inverted Flare Union Internal Diagram
1317-12-023
3/16" Tube O.D. (3/8-24 Thread) Inverted Flare Union Internal
Price $0.73
 Inverted Flare Union Internal Diagram
1317-12-024
1/4" Tube O.D. (7/16-24 Thread) Inverted Flare Union Internal
Price $1.57
 Inverted Flare Union Internal Diagram
1317-12-025
5/16" Tube O.D. (1/2-20 Thread) Inverted Flare Union Internal
Price $2.30
 Inverted Flare Union Internal Diagram
1317-12-026
3/8" Tube O.D. (5/8-18 Thread) Inverted Flare Union Internal
Price $2.78
Description N/A SAE# 040101
Tube O.D. N/A 1/8" N/A 3/16" N/A 1/4" N/A 5/16" N/A 3/8"
Thread Size N/A 5/16-28 N/A 3/8-24 N/A 7/16-24 N/A 1/2-20 N/A 5/8-18
A N/A 0.59 N/A 0.62 N/A 0.62 N/A 0.70 N/A 0.80
Hex N/A 0.40 N/A 0.43 N/A 0.50 N/A 0.56 N/A 0.75