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C15
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.
WLN
Bulkhead Locknut
SAE 080118 and 070118
HPD Base # 53-XN
SBR
Braze Ring
TUBE
FITTING
PART #
TUBE O.D.
(in.)
C2
HEX
(in.)
T1
(in.)
STANDARD
FROM STOCK
-S -SS -B
3 WLN
3/16
5/8 0.22
• •
4 WLN
1/4 11/16 0.28
• • •
5 WLN
5/16
3/4 0.28
•
•
6 WLN
3/8 13/16 0.27
• • •
8 WLN
1/2
1 0.31
• • •
10 WLN
5/8 1 1/8 0.36
• • •
12 WLN
3/4 1 3/8 0.41
• • •
14 WLN
7/8 1 1/2 0.41
•
16 WLN
1
1 5/8 0.41
• •
20 WLN
1 1/4 1 7/8 0.41
• •
24 WLN
1 1/2 2 1/8 0.41
• •
32 WLN
2
2 3/4 0.41
• •
TUBE
FITTING
PART #
TUBE
O.D.
(in.)
A
DIA.
(in.)
B
(in.)
C
(in.)
E
(in.)
STANDARD
FROM STOCK
-S -SS -B
4SBR
1/4 0.260
0.05
• •
6SBR
3/8 0.390 0.07 0.03
• •
8SBR
1/2 0.515 0.07 0.03
• •
10SBR
5/8 0.640 0.07 0.03
• •
12SBR
3/4 0.765 0.08 0.04
• •
14SBR
7/8 0.890
0.06
16SBR
1 1.015 0.08 0.04
• •
20SBR
1 1/4 1.265 0.08 0.04
• •
24SBR
1 1/2 1.515 0.08 0.04
• •
32SBR
2 2.015
0.09
• •
HTX
Union
37° Flare / 37° Flare
SAE 070101
HPD Base # 0303
TUBE
FITTING
PART #
END SIZE
C
HEX
(in.)
L1
(in.)
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
1
(in.)
2
(in.)
-S -SS -B
2 HTX
1/8 1/8 7/16 1.17 7.5 9.0 3.3
3 HTX
3/16 3/16 7/16 1.23 7.5 9.0 3.3
4 HTX
1/4 1/4 1/2 1.38 7.5 9.0 3.3
4-2 HTX
1/4 1/8 1/2 1.27
9.0
4-3 HTX
1/4 3/16 1/2 1.30
9.0
5 HTX
5/16 5/16 9/16 1.38 6.0 7.2 3.3
5-4 HTX
5/16 1/4 9/16 1.38
7.2
6 HTX
3/8 3/8 5/8 1.41 6.0 7.2 3.3
6-4 HTX
3/8 1/4 5/8 1.41 6.0 7.2
6-5 HTX
3/8 5/16 5/8 1.41
7.2
8 HTX
1/2 1/2 13/16 1.62 6.0 7.2 3.3
8-4 HTX
1/2 1/4 13/16 1.52 6.0 7.2
8-6 HTX
1/2 3/8 13/16 1.52 6.0 7.2
10 HTX
5/8 5/8 15/16 1.88 5.0 6.0 3.3
10-8 HTX
5/8 1/2 15/16 1.78 5.0 6.0
12 HTX
3/4 3/4 1 1/8 2.16 5.0 6.0 3.3
12-8 HTX
3/4 1/2 1 1/8 1.95 5.0 6.0
12-10 HTX
3/4 5/8 1 1/8 2.05 5.0 6.0
14 HTX
7/8 7/8 1 1/4 2.22 5.0 6.0 2.6
16 HTX
1
1 1 3/8 2.25 4.0 4.8 2.6
16-12 HTX
1 3/4 1 3/8 2.20 4.0 4.8
20 HTX
1 1/4 1 1/4 1 11/16 2.44 4.0 4.8
24 HTX
1 1/2 1 1/2 2 2.75 3.0 3.6
24-10 HTX
1 1/2 5/8 2 2.42
24-12 HTX
1 1/2 3/4 2 2.53
3.6
24-16 HTX
1 1/2 1
2 2.58
3.6
32 HTX
2
2 2 5/8 3.41 2.0 2.4
32-24 HTX
2 1 1/2 2 5/8 2.81
2.4
LHTX
Large Hex Union
37° Flare / 37° Flare
SAE 070119
HPD Base # 03L3
TUBE
FITTING
PART #
END SIZE
C2
HEX
(in.)
L1
(in.)
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
1
(in.)
2
(in.)
-S -SS -B
4 LHTX
1/4
1/4
11/16 1.38 7.5 9.0 3.3
4-3 LHTX
1/4
3/16
11/16 1.30
9.0
5 LHTX
5/16
5/16
3/4 1.38 6.0
6 LHTX
3/8
3/8
13/16 1.41 6.0 7.2 3.3
6-4 LHTX
3/8
1/4
13/16 1.41
7.2
8 LHTX
1/2
1/2
1 1.62 6.0 7.2 3.3
8-4 LHTX
1/2
1/4
1 1.52
7.2
8-6 LHTX
1/2
3/8
1 1.52
7.2
10 LHTX
5/8
5/8
1 1/8 1.88 5.0 6.0
12 LHTX
3/4
3/4
1 3/8 2.16 5.0 6.0
12-8 LHTX
3/4
1/2
1 3/8 1.95
6.0
16 LHTX
1
1
1 5/8 2.25 4.0 4.8
32 LHTX
2
2
2 3/4 3.41
2.4