Manual

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 — —