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C27
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
Triple-Lok
®
37° Flare Tube Fittings
4300 Catalog
Dimensions and pressures for reference only, subject to change.
WETX
Bulkhead Union Elbow
37° Flare / 37° Flare
SAE 070701
HPD Base # 2353
WETX-WLN – Body with locknut
(See
or WLN)
Y* – Across wrench flats.
W** – Bulkhead pilot dia.
recommended clearance hole
+.015 over W dia.
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.)
STANDARD
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 0.21 7/16
7.7
4 WETX
1/4 11/16 1.20 0.09 0.97 1.59 0.44 0.21 7/16 7.5 7.7 3.3
5 WETX
5/16 3/4 1.02 0.09 1.06 1.72 0.50 0.21 9/16 6.0
6 WETX
3/8 13/16 1.09 0.09 1.09 1.81 0.56 0.28 9/16 6.0 6.0 3.3
8 WETX
1/2 1 1.25 0.13 1.36 2.11 0.75 0.33
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 0.32
7/8 5.0 5.0
12 WETX
3/4 1 3/8 1.56 0.13 1.78 2.67 1.06 0.34 1 1/16 5.0 5.0
14 WETX
7/8 1 1/2 1.56 0.13 1.92 2.80 1.19 0.31 1 5/8 5.0
16 WETX
1 1 5/8 1.56 0.13 1.94 2.80 1.31 0.29 1 5/8 4.0 3.5
20 WETX
1 1/4 1 7/8 1.61 0.13 2.17 3.13 1.63 0.29 1 5/8 4.0
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
TUBE
FITTING
PART #
END SIZE
M
(in.)
M5
(in.)
Y
(in.)
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
1
(in.)
2
(in.)
-S -SS -B
3 C6X
3/16 3/16 0.83 1.00 7/16 7.5 7.7
4 C6X
1/4 1/4 0.89 1.00 7/16 7.5 7.7
5 C6X
5/16 5/16 0.95 1.06 9/16 6.0 6.0
6 C6X
3/8 3/8 1.06 1.25 9/16 6.0 6.0
8 C6X
1/2 1/2 1.25 1.38 3/4 6.0 6.0
10 C6X
5/8 5/8 1.45 1.62 7/8 5.0 5.0
12 C6X
3/4 3/4 1.66 1.75 1 1/16 5.0 5.0
12-24 C6X
3/4 1 1/2 2.11 2.59 1 7/8
14 C6X
7/8 7/8 1.80 1.78 1 5/16 5.0
16 C6X
1
1 1.81 2.00 1 5/16 4.0 2.5
16-12 C6X
1 3/4 1.81 1.87 1 5/16
20 C6X
1 1/4 1 1/4 2.06 2.31 1 5/8 4.0 2.5
24 C6X
1 1/2 1 1/2 2.33 2.59 1 7/8 3.0 2.0
32 C6X
2
2 3.06 3.51 2 1/2 2.0 1.5
TUBE
FITTING
PART #
END SIZE
M5
(in.)
M7
(in.)
Y
(in.)
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
1
(in.)
2
UN/UNF-2A
-S -SS -B
4 AOEX6
1/4 7/16-20 0.94 1.03 7/16 6.0
6 AOEX6
3/8 9/16-18 1.27 1.25 9/16 6.0
8 AOEX6
1/2
3/4-16 1.34 1.45 3/4 6.0
10 AOEX6
5/8
7/8-14 1.62 1.70 7/8 5.0
12 AOEX6
3/4 1 1/16-12 1.75 1.94 1 1/16 5.0
16 AOEX6
1 1 5/16-12 2.01 2.05 1 5/16 4.0
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