STANDARD SPECIFICATIONS
2-3
Table 2-2: Hydraulic Fitting Torque Specifications
LANDOLL CORPORATION
HYDRAULIC FITTING TORQUE SPECIFICATIONS
37
o
JIC, ORS, & ORB (REV. 10/97)
THIS CHART PROVIDES TIGHTENING TORQUES FOR HYDRAULIC FITTING APPLICATIONS WHEN SPECIAL TORQUES ARE NOT SPECIFIED ON PROCESS
OR DRAWING.
ASSEMBLY TORQUES APPLY TO PLATED CARBON STEEL AND STAINLESS STEEL FITTINGS ASSEMBLED WITHOUT SUPPLEMENTAL LUBRICATION (AS
RECEIVED CONDITION)
.
THEY DO NOT APPLY IF SPECIAL GRAPHITE MOLY-DISULFIDE OR OTHER EXTREME PRESSURE LUBRICANTS ARE USED.
BRASS FITTINGS AND ADAPTERS - 65% OF THE TORQUE VALUE FOR STEEL. STAINLESS STEEL, ALUMINUM AND MONEL - THREADS ARE TO BE
LUBRICATED
.
TORQUE IS SPECIFIED IN FOOT POUNDS
PARKER BRAND FITTINGS
Dash Size
37 Degree JIC
O-Ring (ORS)
O-Ring Boss (ORB)
-4
11-13
15-17
13-15
-5
14-16
—
21-23
-6
20-22
34-36
25-29
-8
43-47
58-62
40-44
-10
55-65
100-110
57.5-62.5
-12
80-90
134-146
75-85
-16
115-125
202-218
109-121
-20
160-180
248-272
213-237
-24
185-215
303-327
238-262
-32
250-290
—
310-340
GATES BRAND FITTINGS
Dash Size
37 Degree JIC
O-Ring (ORS)
O-Ring Boss (ORB)
-4
10-11
10-12
14-16
-5
13-15
—
—
-6
17-19
18-20
24-26
-8
34-38
32-40
37-44
-10
50-56
46-56
50-60
-12
70-78
65-80
75-83
-14
—
65-80
—
-16
94-104
92-105
111-125
-20
124-138
125-140
133-152
-24
156-173
150-180
156-184
-32
219-243
—
—
AEROQUIP BRAND FITTINGS
Dash Size
37 Degree JIC
O-Ring (ORS)
O-Ring Boss (ORB)
-4
11-12
10-12
14-16
-5
15-16
—
18-20
-6
18-20
18-20
24-26
-8
38-42
32-35
50-60
-10
57-62
46-50
72-80
-12
79-87
65-70
125-135
-14
—
—
160-180
-16
108-113
92-100
200-220
-20
127-133
125-140
210-280
-24
158-167
150-165
270-360
-32
245-258
—
—
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