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Dixon Brass 2016
800.323.4440
639C Series
SEAL PLUG 639C
Compression Fittings
682C Series
STRAIGHT THROUGH TANK FITTING 682C
Specifications:
Listed with Underwriter's Laboratories for flammable
liquid. Compression fittings meet functional requirements of SAE
J-512, ASA and ASME.
Applications:
Use with copper, aluminum and thermoplastic tubing. Not
recommended for steel tubing. Manufactured for low and
medium pressure tubing connection work where excessive
vibration or tube movement is not involved. Not recommended
for applications using gaseous media.
Working Pressure Ranges:
Temperature and type of tubing used are important
factors and the table to the right is a good guide for proper
selection. Temperature
73°F
. For thermoplastic tubing see
manufacturers recommendation for pressure range.
Temperature Ranges:
From
-65° to +250°F
with soft metal tubing. For
thermoplastic tubing see manufacturers recommendation for
tubing temperature range.
Assembly Instructions:
1. Slide nut, then sleeve onto tubing. The thread end of the nut
must face out.
2. Insert the tube into the fitting. Be sure the tube is bottomed
on the fitting shoulder.
3. Assemble nut to body, and tighten 'hand tight'. Then follow
the number of wrench turns as indicated in the table to the
right.
Part Number
Tube
Size
Straight
Thread
Hex
C
L
M
Std. Pkg.
639C
-04
1/4
7/16-24
7/16
.74
.50
25
Part Number
Tube
Size
Pipe
Thread
Straight
Thread
Hex
C
L
M Flow Diameter
D
Std. Pkg.
682C
-0302
3/16
1/8
3/8-24
7/16
1.06
.84
.195
10
682C
-0606
3/8
3/8
9/16-24
11/16
1.44
1.16
.387
10
682C
-0808
1/2
1/2
11/16-20
7/8
1.90
1.31
.516
10
PSI
Tube OD
(inches)
Tube Wall
(inches)
400
1/8
.030
400
3/16
.030
300
1/4
.030
300
5/16
.032
200
3/8
.032
200
1/2
.032
150
5/8
.035
100
3/4
.035
75
7/8
.035
Fitting
Size
Tube
Size
Turns required to seal from hand tight
60C with soft
metal tubing
60C with
thermoplastic tubing
2
1/8
1-1/4
--
3
3/16
1-1/4
--
4
1/4
1-1/4
2
5
5/16
1-1/4
2
6
3/8
2-1/4
2
8
1/2
2-1/4
2
10
5/8
2-1/4
2
12
3/4
2-1/4
2
14
7/8
2-1/4
--