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C39
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
http://www.parker.com/tfd
Triple-Lok
®
2 37° Flare Tube Fittings
4300 Catalog
Dimensions and pressures for reference only, subject to change.
ETXO
Union Elbow
37° Flare / 37° Flare
C6XO
Swivel Nut Elbow
37° Flare / 37° Swivel
TUBE
FITTING
PART #
END
SIZE
M
(in.)
M1
(in.)
Y
(in.)
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
1 & 2
(in.)
-SS
4 ETXO
1/4 0.90 0.90 7/16
7.7
6 ETXO
3/8 1.08 1.08 9/16
6.0
8 ETXO
1/2 1.25 1.25 3/4
6.0
10 ETXO
5/8 1.50 1.50 7/8
5.0
12 ETXO
3/4 1.70 1.70 1 1/16
5.0
16 ETXO
1 1.89 1.89 1 5/16
5.0
20 ETXO
1 1/4 2.13 2.13 1 5/8
5.0
24 ETXO
1 1/2 2.41 2.41 1 7/8
5.0
TUBE
FITTING
PART #
END
SIZE C3
HEX
(in.)
M
(in.)
M5
(in.)
M10
(in.)
Y
(in.)
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
1 & 2
(in.)
-SS
4 C6XO
1/4 9/16 0.90 1.00 0.66 7/16
7.7
6 C6XO
3/8 11/16 1.08 1.25 0.88 9/16
6.0
8 C6XO
1/2 7/8 1.25 1.38 0.95 3/4
6.0
10 C6XO
5/8 1 1.50 1.62 1.13 7/8
5.0
12 C6XO
3/4 1 1/4 1.70 1.75 1.19 1 1/16
5.0
16 C6XO
1 1 1/2 1.89 2.00 1.41 1 5/16
2.5
20 C6XO
1 1/4 2 2.13 2.31 1.69 1 5/8
2.5
CTXO
Male Elbow
37° Flare / NPTF
C5OXO
Straight Thread Elbow
37° Flare / SAE-ORB
TUBE
FITTING
PART #
END SIZE
M
(in.)
N
(in.)
Y
(in.)
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
1
(in.)
2
NPTF
-SS
4 CTXO
1/4 1/8-27 0.90 0.78 7/16
6.0
4-4 CTXO
1/4 1/4-18 1.06 1.09 9/16
6.0
6 CTXO
3/8 1/4-18 1.08 1.09 9/16
6.0
6-6 CTXO
3/8 3/8-18 1.16 1.22 3/4
6.0
8 CTXO
1/2 3/8-18 1.25 1.22 3/4
6.0
8-8 CTXO
1/2 1/2-14 1.33 1.47 7/8
6.0
10 CTXO
5/8 1/2-14 1.51 1.47 7/8
5.0
12 CTXO
3/4 3/4-14 1.70 1.59 1 1/16
4.0
16 CTXO
1 1-11 1/2 1.89 1.97 1 5/16
3.0
20 CTXO
1 1/4 1 1/4-11 1/2 2.13 2.38 1 5/8
2.5
24 CTXO
1 1/2 1 1/2-11 1/2 2.41 2.64 1 7/8
2.5
32 CTXO
2 2-11 1/2 3.13 3.00 2 1/2
2.0
TUBE
FITTING
PART #
END SIZE
M
(in.)
M7
(in.)
Y
(in.)
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
1
(in.)
2
UN/UNF-2A
-SS
4 C5OXO
1/4 7/16-20 0.90 1.03 7/16
6.0
6 C5OXO
3/8 9/16-18 1.08 1.25 9/16
5.4
8 C5OXO
1/2 3/4-16 1.25 1.45 3/4
5.4
10 C5OXO
5/8 7/8-14 1.50 1.70 7/8
5.4
12 C5OXO
3/4 1 1/16-12 1.70 1.94 1 1/16
5.4
16 C5OXO
1 1 5/16-12 1.89 2.05 1 5/16
3.7
20 C5OXO
1 1/4 1 5/8-12 2.13 2.25 1 5/8
2.8
24 C5OXO
1 1/2 1 7/8-12 2.41 2.39 1 7/8
2.5
32 C5OXO
2 2 1/2-12 3.13 2.89 2 1/2
1.5