B30
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
M1
(
in.)
N1
(
in.)
Y1
(
in.)
Dynamic
Pressure
(
x 1,000 PSI)
1 & 3
(
in.)
2
NPTF
-
S -SS -B
4
MTX
1/4 1/8 - 27 1.08 0.66 9/16 5.0 5.0 3.3
4-4-4
MTX
1/4 1/4 - 18 1.13 0.88 3/4 5.0 5.0 3.3
6
MTX
3/8 1/4 - 18 1.23 0.88 3/4 5.0 5.0 3.3
8
MTX
1/2 3/8 - 18 1.42 1.02 7/8 4.5 4.5 2.9
8-8-8
MTX
1/2 1/2 - 14 1.42 1.23 1 1/16 3.0 3.0 2.0
10
MTX
5/8 1/2 - 14 1.64 1.23 1 1/16 3.0 3.0 2.0
12
MTX
3/4 3/4 - 14 1.89 1.36 1 5/16 3.0 3.0 2.0
14
MTX
7/8 3/4 - 14 1.86 1.42 1 5/16 3.0 3.0 2.0
16
MTX
1 1 - 11 1/2 2.17 1.62 1 5/8 1.8 1.8 1.2
20
MTX
1 1/4 1 1/4 - 11 1/2 2.33 1.70 1 7/8 1.5 1.5 1.0
24
MTX
1 1/2 1 1/2 - 11 1/2 2.89 2.08 2 1/2 1.5 1.5 1.0
TUBE
FITTING
PART #
END SIZE
M1
(
in.)
N1
(
in.)
Y1
(
in.)
Dynamic
Pressure
(
x 1,000 PSI)
1 & 2
(
in.)
3
NPTF
-
S -SS -B
4
OTX
1/4 1/8 - 27 1.08 0.66 9/16 5.0 5.0 3.3
4-4-4
OTX
1/4 1/4 - 18 1.13 0.88 3/4 5.0 5.0 3.3
5
OTX
5/16 1/8 - 27 1.08 0.66 9/16 5.0 5.0 3.3
6
OTX
3/8 1/4 - 18 1.23 0.88 3/4 5.0 5.0 3.3
6-6-6
OTX
3/8 3/8 - 18 1.23 1.02 7/8 4.5 4.5 2.9
8
OTX
1/2 3/8 - 18 1.42 1.02 7/8 4.5 4.5 2.9
8-8-8
OTX
1/2 1/2 - 14 1.42 1.23 1 1/16 3.0 3.0 2.0
10
OTX
5/8 1/2 - 14 1.64 1.23 1 1/16 3.0 3.0 2.0
12
OTX
3/4 3/4 - 14 1.89 1.36 1 5/16 3.0 3.0 2.0
14
OTX
7/8 3/4 - 14 1.86 1.42 1 5/16 3.0 3.0 2.0
16
OTX
1 1 - 11 1/2 2.17 1.62 1 5/8 1.8 1.8 1.2
20
OTX
1 1/4 1 1/4 - 11 1/2 2.33 1.70 1 7/8 1.5 1.5 1.0
24
OTX
1 1/2 1 1/2 - 11 1/2 2.89 2.08 2 1/2 1.5 1.5 1.0
TUBE
FITTING
PART #
END SIZE
M
(
in.)
N
(
in.)
Y
(
in.)
Dynamic
Pressure
(
x 1,000 PSI)
1 & 2
(
in.)
3
NPTF
-
S -SS -B
3
RTX
3/16 1/8 - 27 0.83 0.72 7/16 6.0 6.0 3.3
4
RTX
1/4
1/8 - 27 0.89 0.78 7/16 6.0 6.0 3.3
4-4-4
RTX
1/4
1/4 - 18 1.05 1.09 9/16 6.0 6.0 3.3
5
RTX
5/16 1/8 - 27 0.95 0.78 9/16 6.0 6.0 3.3
5-4-5
RTX
5/16 1/4 - 18 1.05 1.09 9/16 6.0 6.0 3.3
6
RTX
3/8
1/4 - 18 1.06 1.09 9/16 6.0 6.0 3.3
6-6-6
RTX
3/8
3/8 - 18 1.14 1.22 3/4 6.0 6.0 3.3
8
RTX
1/2
3/8 - 18 1.25 1.22 3/4 6.0 6.0 3.3
8-8-8
RTX
1/2
1/2 - 14 1.33 1.47 7/8 6.0 6.0 3.3
10
RTX
5/8
1/2 - 14 1.45 1.47 7/8 5.0 5.0 3.3
12
RTX
3/4
3/4 - 14 1.66 1.59 1 1/16 4.0 4.0 2.6
12-8-12
RTX
3/4
1/2 - 14 1.66 1.59 1 1/16 5.0 5.0 2.9
14
RTX
7/8
3/4 - 14 1.80 1.69 1 5/16 4.0 4.0 2.3
16
RTX
1
1 - 11 1/2 1.81 1.97 1 5/16 3.0 3.0 2.0
20
RTX
1 1/4 1 1/4 - 11 1/2 2.06 2.38 1 5/8 2.5 2.5 1.6
24
RTX
1 1/2 1 1/2 - 11 1/2 2.33 2.64 1 7/8 2.5 2.5 1.6
TUBE
FITTING
PART #
END SIZE
M
(
in.)
N
(
in.)
Y
(
in.)
Dynamic
Pressure
(
x 1,000 PSI)
1 & 2
(
in.)
3
NPTF
-
S -SS -B
3
STX
3/16 1/8 - 27 0.83 0.72 7/16 6.0 6.0 3.3
4
STX
1/4 1/8 - 27 0.89 0.78 7/16 6.0 6.0 3.3
4-4-4
STX
1/4 1/4 - 18 1.05 1.09 9/16 6.0 6.0 3.3
4-4-6
STX
1/4 3/8 - 18 1.12 1.22 3/4 6.0 6.0 3.3
5
STX
5/16 1/8 - 27 0.95 0.78 9/16 6.0 6.0 3.3
5-5-4
STX
5/16 1/4 - 18 1.05 1.09 9/16 6.0 6.0 3.3
6
STX
3/8 1/4 - 18 1.06 1.09 9/16 6.0 6.0 3.3
6-6-6
STX
3/8 3/8 - 18 1.14 1.22 3/4 6.0 6.0 3.3
8
STX
1/2 3/8 - 18 1.25 1.22 3/4 6.0 6.0 3.3
8-8-8
STX
1/2 1/2 - 14 1.33 1.47 7/8 6.0 6.0 3.3
10
STX
5/8 1/2 - 14 1.45 1.47 7/8 5.0 5.0 3.3
12
STX
3/4 3/4 - 14 1.66 1.59 1 1/16 4.0 4.0 2.6
14
STX
7/8 3/4 - 14 1.80 1.69 1 5/16 4.0 4.0 2.3
16
STX
1 1 - 11 1/2 1.81 1.97 1 5/16 3.0 3.0 2.0
20
STX
1 1/4 1 1/4 - 11 1/2 2.06 2.38 1 5/8 2.5 2.5 1.6
24
STX
1 1/2 1 1/2 - 11 1/2 2.33 2.64 1 7/8 2.5 2.5 1.6
STX
Male Branch Tee
37
° Flare / 37° Flare / NPTF
SAE 070425
HPD Base # 213T
RTX
Male Run Tee
37
° Flare / NPTF / 37° Flare
SAE 070424
HPD Base # 013T
Y* – Across wrench flats
Y* – Across wrench flats
OTX
Female Branch Tee
37
° Flare / 37° Flare / NPTF
SAE 070427
HPD Base # 223T
MTX
Female Run Tee
37
° Flare / NPTF / 37° Flare
SAE 070426
HPD Base # 023T
Y* – Across wrench flats
Y* – Across wrench flats