4300
Catalog
Appendix
U3
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
http://www.parker.com/tfd
Recommended Tube Wall Thickness
Table U3 — Recommended Inch Tube Wall Thickness
Fitting
Dash
Size
Product Type
Tube
O.D.
(
inch)
Recommended Wall Thickness (Inch)
Seal-Lok
Triple-Lok
Ferulok
Min.
Max.
Min.
Max.
Min.
1)
Max.
2)
-2
1/8
-
-
0.010 0.035 0.010 0.035
-3 3/16
-
-
0.010 0.035 0.020 0.049
-4
1/4 0.020 0.083 0.020 0.065 0.028 0.065
-5 5/16
-
-
0.020 0.065 0.028 0.065
-6
3/8 0.020 0.109 0.020 0.065 0.035 0.095
-8
1/2 0.028 0.148 0.028 0.083 0.049 0.120
-10 5/8 0.035 0.134 0.035 0.095 0.058 0.120
-12 3/4 0.035 0.148 0.035 0.109 0.065 0.120
-14 7/8 0.035 0.156 0.035 0.109 0.072 0.120
-16
1 0.035 0.188 0.035 0.120 0.083 0.148
-20 1 1/4 0.049 0.220 0.049 0.120 0.095 0.188
-24 1 1/2 0.049 0.250 0.049 0.120 0.095 0.220
-32
2 0.058 0.250 0.058 0.134 0.095 0.220
1)
Thinner tubing may be used with support of an insert.
2)
Thicker tubing may be used, but pressure capability is limited by fitting.
3)
Please consult Parker Hannifin Tube Fittings Division for tube sizes not
listed.
Table U4 — Recommended Metric Tube Wall Thickness
Metric Tube
Tube
O.D.
(
inch)
Recommended Wall Thickness (mm)
Seal-Lok
Triple-Lok
Fitting
Size Min.
Max.
Fitting
Size Min.
Max.
6
-4 0.5 2.25 -4 0.5 2.0
8
-6 1.0 2.5 -5 0.5 2.0
10
-6 1.0 3.0 -6 0.5 2.0
12
-8 1.0 3.5 -8 1.0 2.0
14 -10 1.0 4.0 -10 1.0 2.5
15 -10 1.0 3.0 -10 1.0 2.5
16 -10 1.0 3.0 -10 1.0 2.5
18 -12 1.0 3.0 -12 1.0 3.0
20 -12 1.5 4.0 -12 1.0 3.0
22 -16 1.0 3.0 -14 1.0 3.0
25 -16 2.0 5.0 -16 1.0 3.0
28 -20 1.5 5.0
-
-
-
30 -20 2.0 5.0 -20 1.5 3.0
32 -20 2.0 2.5 -20 1.5 3.0
35 -24 2.0 6.0
-
-
-
38 -24 2.5 7.0 -24 1.5 3.0
50
-
-
-
-32 1.5 3.5