B9
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.
BTX
Nut
37
° Flare
SAE 070110
HPD Base # 06B
TX
(
inch)
Sleeve
37
° Flare
SAE 070115
HPD Base # 06S
TX
(
metric)
Sleeve
37
° Flare
SAE 070115
1.
Inch sleeve for use with metric tubing.
2.
Use with 20-12 BTX.
3.
The part numbers above are for steel. Use “SS” in place of
“
S” for ordering stainless steel. Example: TXSS12
TUBE
FITTING
PART #
END SIZE
T6
UN/UNF-2B
C
HEX
(
in.)
D
(
in.)
L
(
in.)
Material
(
in.)
(
mm)
-
S -SS -B
2
BTX
1/8
— 5/16 - 24 3/8 0.180 0.55
• • •
3
BTX
3/16
— 3/8 - 24 7/16 0.240 0.61
• • •
4
BTX
1/4
6
7/16 - 20 9/16 0.310 0.62
• • •
5
BTX
5/16
8
1/2 - 20 5/8 0.380 0.68
• • •
6
BTX
3/8
10
9/16 - 18 11/16 0.440 0.73
• • •
8
BTX
1/2
12
3/4 - 16 7/8 0.570 0.85
• • •
10
BTX
5/8 14, 15, 16 7/8 - 14
1 0.700 0.98
• • •
12
BTX
3/4
18 1 1/16 - 12 1 1/4 0.840 1.03
• • •
20-12
BTX
— 20 1 1/16 - 12 1 1/4 0.862 0.87
• • •
14
BTX
7/8
— 1 3/16 - 12 1 3/8 0.960 1.09
• • •
16
BTX
1
25 1 5/16 - 12 1 1/2 1.090 1.13
• • •
20
BTX
1 1/4 28, 30, 32 1 5/8 - 12 2 1.350 1.23
• • •
24
BTX
1 1/2 35, 38 1 7/8 - 12 2 1/4 1.620 1.42
• • •
32
BTX
2
42, 50 2 1/2 - 12 2 7/8 2.170 1.75
• • •
TUBE
FITTING
PART #
END
SIZE
(
in.)
L
(
in.)
X
(
in.)
Material
-
S -SS -B
2
TX
1/8
0.34 0.27
•
•
•
3
TX
3/16 0.34 0.33
•
•
•
4
TX
1/4
0.41 0.38
•
•
•
5
TX
5/16 0.44 0.45
•
•
•
6
TX
3/8
0.50 0.50
•
•
•
8
TX
1/2
0.56 0.68
•
•
•
10
TX
5/8
0.66 0.80
•
•
•
12
TX
3/4
0.69 0.97
•
•
•
14
TX
7/8
0.75 1.10
•
•
•
16
TX
1
0.78 1.22
•
•
•
20
TX
1 1/4 0.91 1.53
•
•
•
24
TX
1 1/2 1.13 1.78
•
•
•
32
TX
2
1.19 2.41
•
•
•
TUBE
FITTING
PART #
See
Note
END
SIZE
(
mm)
Fitting
Dash
Size
L
(
mm)
X
(
mm)
Material
-
S -SS -B
TXS6
3
6
-4
10.4 9.6
•
•
•
5
TX
1
8
-5
11.2 11.4
•
•
•
TXS10
3
10
-6
12.7 12.7
•
•
•
TXS12
3
12
-8
14.2 17.3
•
•
•
TXS14
3
14
-10
16.8 20.3
•
•
•
TXS15
3
15
-10
16.8 20.3
•
•
•
10
TX
1
16
-10
16.8 20.3
•
•
•
TXS18
3
18
-12
17.3 24.6
•
•
•
20-12
TX
2
20
-12
17.3 24.6
•
•
•
TXS22
3
22
-14
19.0 27.8
•
•
•
TXS25
3
25
-16
19.8 31.0
•
•
•
TXS28
3
28
-20
23.1 38.9
•
•
•
TXS30
3
30
-20
23.1 38.9
•
•
•
TXS32
3
32
-20
23.1 38.9
•
•
•
TXS35
3
35
-24
28.4 45.2
•
•
•
24
TX
1
38
-24
28.4 45.2
•
•
•
Note: All stainless steel nuts are coated to prevent galling
at assembly.