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A18
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
http://www.parker.com/tfd
4300 Catalog
Seal-Lok™ O-Ring Face Seal Tube Fittings
Dimensions and pressures for reference only, subject to change.
MMLOHB3
Braze Connector
ORFS / Braze Socket
ISO 8434-3 BRS
SAE 52M0104
* D5 is for silver brazing. Standard steel parts are not recommended for welding.
LOHT3
Tube Stub Connector
ORFS / Tube Weld
LOHB3
Braze Connector
ORFS / Braze Socket
SAE 520104
* E is for silver brazing. Standard steel parts are not recommended for
welding.
** Size 14 is not included in SAE J1453.
*
Contact Tube Fittings Division
for pressure ratings.
TUBE
FITTING
PART #
END SIZE
D5*
DIA
TUBE
SOCKET
L22
(mm)
L26
(mm)
S1
HEX
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
1
2
(mm)
(in.) (mm)
S SS
4-6MMLOHB3
6
1/4 6 6.15 13.5 22 17 9.2
4-8MMLOHB3
6
1/4 8 8.15 13.5 22 17 9.2
6-10MMLOHB3
8, 10 3/8 10 10.15 14.5 23 19 9.2
8-12MMLOHB3
12
1/2 12 12.15 16 24.5 22 9.2
10-16MMLOHB3
14, 15, 16 5/8 16 16.15 19 27.5 27 6.0
12-20MMLOHB3
18, 20 3/4 20 20.18 21 33.5 32 6.0
16-25MMLOHB3
22, 25 1 25 25.18 24.5 38.5 41 6.0
20-30MMLOHB3
28, 30, 32 1 1/4 30 30.2 24.5 38.5 46 6.0
24-38MMLOHB3
35, 38 1 1/2 38 38.2 24.5 38.5 55 5.0
TUBE
FITTING
PART #
END
SIZE
DD
(in.)
E
DIA
(in.)
H
HEX
(in.)
L
(in.)
STANDARD
MATERIAL
FROM STOCK
1 & 2
(in.)
-S -SS*
4 LOHT3
1/4 0.88 0.25 5/8 1.58
•
6 LOHT3
3/8 0.88 0.38 3/4 1.67
•
8 LOHT3
1/2 1.00 0.50 7/8 1.89
•
12 LOHT3
3/4 1.16 0.75 1 1/4 2.35
•
16 LOHT3
1 1.13 1.00 1 1/2 2.40
•
TUBE
FITTING
PART #
END SIZE
DD
(in.)
E*
DIA
(in.)
H
HEX
(in.)
L1
(in.)
STANDARD
Dynamic
Pressure
(x 1,000 PSI)
1
(in.)
2
(in.)
-S -SS
4 LOHB3
1/4 1/4 0.52 0.26 5/8 0.86 9.2
4-6 LOHB3
1/4 3/8 0.52 0.38 5/8 0.86 9.2
6 LOHB3
3/8 3/8 0.56 0.38 3/4 0.90 9.2
6-4 LOHB3
3/8 1/4 0.56 0.26 3/4 0.90 9.2
6-8 LOHB3
3/8 1/2 0.56 0.51 3/4 0.90 9.2
8 LOHB3
1/2 1/2 0.63 0.51 7/8 0.97 9.2
8-4 LOHB3
1/2 1/4 0.64 0.26 7/8 0.97 9.2
8-6 LOHB3
1/2 3/8 0.63 0.38 7/8 0.97 9.2
8-10 LOHB3
1/2 5/8 0.63 0.63 7/8 0.97 6.0
8-12 LOHB3
1/2 3/4 0.67 0.76 1 1/16 1.16 6.0
10 LOHB3
5/8 5/8 0.73 0.63 1 1/16 1.07 6.0
10-6 LOHB3
5/8 3/8 0.73 0.38 1 1/16 1.07 6.0
10-8 LOHB3
5/8 1/2 0.73 0.51 1 1/16 1.07 6.0
10-12 LOHB3
5/8 3/4 0.74 0.76 1 1/16 1.23 6.0
12 LOHB3
3/4 3/4 0.83 0.76 1 1/4 1.32 6.0
12-8 LOHB3
3/4 1/2 0.83 0.51 1 1/4 1.16 6.0
12-10 LOHB3
3/4 5/8 0.83 0.63 1 1/4 1.16 6.0
12-16 LOHB3
3/4 1 0.83 1.01 1 1/2 1.38 6.0
14 LOHB3**
7/8 7/8 0.97 0.88 1 3/8 1.52
16 LOHB3
1 1 0.97 1.01 1 1/2 1.52 6.0
16-8 LOHB3
1 1/2 0.97 0.51 1 1/2 1.30 6.0
16-12 LOHB3
1 3/4 0.97 0.76 1 1/2 1.46 6.0
16-20 LOHB3
1 1 1/4 0.97 1.26 1 3/4 1.52 6.0
20 LOHB3
1 1/4 1 1/4 0.97 1.26 1 3/4 1.52 6.0
20-16 LOHB3
1 1/4 1 0.97 1.01 1 3/4 1.52 6.0
20-24 LOHB3
1 1/4 1 1/2 0.97 1.51 2 1/8 1.52 5.0
24 LOHB3
1 1/2 1 1/2 0.97 1.51 2 1/8 1.52 5.0
24-20 LOHB3
1 1/2 1 1/4 0.97 1.26 2 1/8 1.52 5.0