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C14
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.
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.)
STANDARD
FROM STOCK
(in.)
(mm)
-S -SS -B
2 BTX
1/8
— 5/16-24 3/8 0.18 0.55
• • •
3 BTX
3/16
— 3/8-24 7/16 0.24 0.61
• • •
4 BTX
1/4
6
7/16-20 9/16 0.31 0.62
• • •
5 BTX
5/16
8
1/2-20 5/8 0.38 0.68
• • •
6 BTX
3/8
10
9/16-18 11/16 0.44 0.73
• • •
8 BTX
1/2
12
3/4-16 7/8 0.57 0.85
• • •
10 BTX
5/8 14, 15, 16 7/8-14
1
0.70 0.98
• • •
12 BTX
3/4
18 1 1/16-12 1 1/4 0.84 1.03
• • •
20-12 BTX
— 20 1 1/16-12 32.0 mm 21.9 mm 26.0 mm
14 BTX
7/8
— 1 3/16-12 1 3/8 0.96 1.09
• • •
16 BTX
1
25 1 5/16-12 1 1/2 1.09 1.13
• • •
20 BTX
1 1/4 28, 30, 32 1 5/8-12 2
1.35 1.23
• • •
24 BTX
1 1/2 35, 38 1 7/8-12 2 1/4 1.62 1.42
• • •
32 BTX
2
42, 50 2 1/2-12 2 7/8 2.17 1.75
• •
TUBE
FITTING
PART #
END SIZE
(in.)
L
(in.)
X
(in.)
STANDARD
FROM STOCK
-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)
STANDARD
FROM STOCK
-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