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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)
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
Dash
Size
-4
-5
-6
-8
-10
-12
-16
-20
-24
-32
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)
LUBRICANTS ARE USED.
BRASS FITTINGS AND ADAPTERS - 65% OF THE TORQUE VALUE FOR STEEL.
TORQUE IS SPECIFIED IN FOOT POUNDS.
Dash
Size
-4
-5
-6
-8
-10
-12
-14
-16
-20
-24
-32
LANDOLL CORPORATION
HYDRAULIC FITTING TORQUE SPECIFICATIONS
o
37
JIC, ORS, & ORB (REV. 10/97)
THEY DO NOT APPLY IF SPECIAL GRAPHITE MOLY-DISULFIDE OR OTHER EXTREME PRESSURE
.
PARKER BRAND FITTINGS
37 Degree
JIC
11-13
14-16
20-22
43-47
55-65
80-90
115-125
160-180
185-215
250-290
LANDOLL CORPORATION
HYDRAULIC FITTING TORQUE SPECIFICATIONS
o
37
JIC, ORS & ORB (REV. 10/97)
THEY DO NOT APPLY IF SPECIAL GRAPHITE MOLY-DISULFIDE OR OTHER EXTREME PRESSURE
.
AEROQUIP BRAND FITTINGS
37 Degree
JIC
11-12
15-16
18-20
38-42
57-62
79-87
—
108-113
127-133
158-167
245-258
Table 2-2 Hydraulic Fitting Torque Specifications
O-Ring
(ORS)
15-17
—
34-36
58-62
100-110
134-146
202-218
248-272
303-327
—
O-Ring
(ORS)
10-12
—
18-20
32-35
46-50
65-70
—
92-100
125-140
150-165
—
O-Ring Boss
(ORB)
13-15
21-23
25-29
40-44
57.5-62.5
75-85
109-121
213-237
238-262
310-340
O-Ring Boss
(ORB)
14-16
18-20
24-26
50-60
72-80
125-135
160-180
200-220
210-280
270-360
—
2-3
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