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C18
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
http://www.parker.com/tfd
Triple-Lok
®
37° Flare Tube Fittings
4300 Catalog
Dimensions and pressures for reference only, subject to change.
TRTX / TRTXN
Reducer
37° Flare
SAE 070123 / SAE 070123A
HPD Base # 0603 (TRTXN only)
TRTXN
2-piece
(Nut and
Insert)
TRTXN
1-piece
(Non-
swivel)
TRTX
(Insert
only)
TUBE FITTING PART #
END SIZE
C
HEX
(in.)
L
(TRTX)
(in.)
LA
(TRTXN)
(in.)
L1
(TRTX &
TRTXN)
(in.)
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
TRTXN
2-pc. Design
(with
Large Nut)
TRTXN
1-pc. Design
(Machined
Female)
TRTX
Reducer Insert
(For 2-pc.
Design Only)
1
(in.)
2
(in.)
-S -SS -B
4-2 TRTXN
–
4-2 TRTX
1/4 1/8 9/16 0.75 1.23
0.68
9.0
–
4-3 TRTXN
–
1/4 3/16 9/16 –
1.09
–
9.0
–
5-4 TRTXN
–
5/16 1/4 5/8 –
1.16
–
6.0 7.2
6-4 TRTXN
–
6-4 TRTX
3/8 1/4 11/16 0.97 1.53
0.90 6.0 7.2 3.3
–
6-5 TRTXN
–
3/8 5/16 11/16 –
1.19
–
6.0 7.2
8-4 TRTXN
–
8-4 TRTX
1/2 1/4 7/8 1.00 1.63
0.90 6.0 7.2 3.3
8-6 TRTXN
–
8-6 TRTX
1/2 3/8 7/8 1.00 1.63
0.90 6.0 7.2 3.3
10-4 TRTXN
–
10-4 TRTX
5/8 1/4 1 1.03 1.78
0.93 5.0 6.0
10-6 TRTXN
–
10-6 TRTX
5/8 3/8 1 1.03 1.78
0.93 5.0 6.0 3.3
–
10-8 TRTXN
–
5/8 1/2 1
–
1.88
–
5.0 6.0
12-4 TRTXN
–
12-4 TRTX
3/4 1/4 1 1/4 1.09 1.85
0.95 5.0 6.0 3.3
12-6 TRTXN
–
12-6 TRTX
3/4 3/8 1 1/4 1.09 1.85
0.95 5.0 6.0 3.3
12-8 TRTXN
–
12-8 TRTX
3/4 1/2 1 1/4 1.19 1.95
1.05 5.0 6.0 3.3
–
12-10 TRTXN
–
3/4 5/8 1 1/4 –
2.05
–
5.0 6.0
14-6 TRTXN
–
14-6 TRTX
7/8 3/8 1 3/8 1.13 1.96
1.00 5.0
14-10 TRTXN –
14-10 TRTX
7/8 5/8 1 3/8 1.33 2.16
1.20 5.0
–
14-12 TRTXN
–
7/8 3/4 1 3/8 –
1.84
–
5.0
16-4 TRTXN
–
16-4 TRTX
1 1/4 1 1/2 1.22 2.07
1.09
4.8
16-6 TRTXN
–
16-6 TRTX
1 3/8 1 1/2 1.22 1.90
1.09
4.8
16-8 TRTXN
–
16-8 TRTX
1 1/2 1 1/2 1.27 2.11
1.14 4.0 4.8
16-10 TRTXN –
16-10 TRTX
1 5/8 1 1/2 1.38 2.06
1.25 4.0
16-12 TRTXN –
16-12 TRTX
1 3/4 1 1/2 1.47 2.32
1.34 4.0 4.8
–
16-14 TRTXN
–
1 7/8 1 1/2 –
2.35
–
4.0
20-12 TRTXN –
20-12 TRTX
1 1/4 3/4 2 1.53 2.45
1.37 4.0 4.8
20-16 TRTXN –
20-16 TRTX
1 1/4 1 2 1.59 2.51
1.43 4.0 4.8
24-8 TRTXN
–
24-8 TRTX
1 1/2 1/2 2 1/4 1.56 2.39
1.41
3.6
24-12 TRTXN –
24-12 TRTX
1 1/2 3/4 2 1/4 1.63 2.46
1.48
3.6
24-16 TRTXN –
24-16 TRTX
1 1/2 1 2 1/4 1.63 2.46
1.48 3.0 3.6
24-20 TRTXN –
24-20 TRTX
1 1/2 1 1/4 2 1/4 1.69 2.77
1.54 3.0
32-24 TRTXN –
32-24 TRTX
2 1 1/2 2 7/8 1.91 2.96
1.72 2.0 2.4