B22
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
4300
Catalog
Triple-Lok
®
and Triple-Lok
®
2
37
° Flare Tube Fittings
Dimensions and pressures for reference only, subject to change.
TUBE
FITTING
PART #
END SIZE
M5
(
in.)
M7
(
in.)
Y
(
in.)
Dynamic
Pressure
(
x 1,000 PSI)
1
(
in.)
2
UN/UNF-2A
-
S -SS -B
4
AOEX6
1/4 7/16 - 20 1.00 1.03 7/16 6.0 6.0 3.3
6
AOEX6
3/8 9/16 - 18 1.25 1.25 9/16 6.0 6.0 3.3
8
AOEX6
1/2 3/4 - 16 1.38 1.45 3/4 6.0 6.0 3.3
10
AOEX6
5/8 7/8 - 14 1.62 1.70 7/8 5.0 5.0 3.3
12
AOEX6
3/4 1 1/16 - 12 1.75 1.94 1 1/16 5.0 5.0 3.3
16
AOEX6
1 1 5/16 - 12 2.00 2.05 1 5/16 4.0 3.0 2.6
TUBE
FITTING
PART #
END SIZE
M
(
in.)
M5
(
in.)
Y
(
in.)
Dynamic
Pressure
(
x 1,000 PSI)
1
(
in.)
2
(
in.)
-
S -SS -B D
3
C6X
3/16 3/16 0.83 1.00 7/16 7.5 7.7 3.3 3.8
4
C6X
1/4 1/4 0.89 1.00 7/16 7.5 7.7 3.3 3.8
5
C6X
5/16 5/16 0.95 1.06 9/16 6.0 6.0 3.3 3.0
6
C6X
3/8 3/8 1.06 1.25 9/16 6.0 6.0 3.3 3.0
8
C6X
1/2 1/2 1.25 1.38 3/4 6.0 6.0 3.3 3.0
10
C6X
5/8 5/8 1.45 1.62 7/8 5.0 5.0 3.3 2.5
12
C6X
3/4 3/4 1.66 1.75 1 1/16 5.0 5.0 3.3 2.5
12-24
C6X
3/4 1 1/2 2.11 2.59 1 7/8 3.0 2.5 2.0
•
14
C6X
7/8 7/8 1.81 1.78 1 5/16 5.0 5.0 3.3 2.5
16
C6X
1
1 1.81 2.00 1 5/16 4.0 3.0 2.6 2.0
16-12
C6X
1 3/4 1.81 1.87 1 5/16 4.0 3.0 2.6 2.0
20
C6X
1 1/4 1 1/4 2.06 2.31 1 5/8 4.0 3.0 2.6
•
24
C6X
1 1/2 1 1/2 2.33 2.59 1 7/8 3.0 2.5 2.0
•
32
C6X
2
2 3.06 3.51 2 1/2 2.0 1.5 1.3
•
TUBE
FITTING
PART #
END SIZE
C2
HEX
(
in.)
I2
(
in.)
K1
(
in.)
M3
(
in.)
M4
(
in.)
W
DIA
(
in.)
MAX
BULKHEAD
WALL
THICKNESS
(
in.)
Y
(
in.)
Dynamic
Pressure
(
x 1,000 PSI)
1 & 2
(
in.)
-
S -SS -B
3
WETX
3/16
5/8 0.92 0.09 0.94 1.50 0.38 0.25 7/16 7.5 7.7 3.3
4
WETX
1/4 11/16 1.20 0.09 0.97 1.59 0.44 0.25 7/16 7.5 7.7 3.3
5
WETX
5/16
3/4 1.02 0.09 1.06 1.72 0.50 0.25 9/16 6.0 6.0 3.3
6
WETX
3/8 13/16 1.09 0.09 1.09 1.81 0.56 0.35 9/16 6.0 6.0 3.3
8
WETX
1/2
1 1.25 0.13 1.36 2.11 0.75 0.35
3/4 6.0 6.0 3.3
10
WETX
5/8
1 1/8 1.39 0.13 1.56 2.39 0.88 0.35
7/8 5.0 5.0 3.3
12
WETX
3/4
1 3/8 1.56 0.13 1.78 2.67 1.06 0.35 1 1/16 5.0 5.0 3.3
14
WETX
7/8
1 1/2 1.56 0.13 1.92 2.80 1.19 0.35 1 5/8 5.0 5.0 3.3
16
WETX
1
1 5/8 1.56 0.13 1.94 2.80 1.31 0.35 1 5/8 4.0 3.5 2.3
20
WETX
1 1/4 1 7/8 1.61 0.13 2.17 3.13 1.63 0.35 1 5/8 4.0 3.0 2.0
WETX
Bulkhead Union Elbow
37
° Flare / 37° Flare
SAE 070701
HPD Base # 2353
WETX-WLN – Body with locknut
Y* – Across wrench flats.
W** – Bulkhead pilot dia.
recommended clearance hole
+.015 over W dia.
C6X
Swivel Nut Elbow
37
° Flare / 37° Swivel
SAE 070221
HPD Base # 3903
AOEX6
Swivel Elbow Straight
Thread Connector
SAE-ORB / 37° Swivel
HPD Base # 2506
Y* – Across wrench flats
Y* – Across wrench flats