Case 821B - Steel Hydraulic Fittings Torque Specifications

1001-4
TORQUE SPECIFICATIONS - STEEL HYDRAULIC FITTINGS
Tube OD Thread Pound- Newton Tube OD Thread Pound-
Newton
Hose ID
Size Feet metres Hose ID Size Feet
metres
37 Degree Flare Fittings Straight Threads with O-ring
1/4 in
7/16-20
6-12 8-16
1/4 in
7 /16-20
12-19 16-25
6.4 mm 6.4 mm
5/16 in
1/2-20 8-16
11-21
5/16 in
1/2-20 16-25
22-23
7.9 mm
7.9mm
3/8 in
9/16-18 10-25
14-33
3/8 in
9/16-18
25-40 34-54
9.5mm
9.5mm
1/2 in 3/4-16
15-42
20-56 1/2 in
3/4-16
42-67 57-90
12.7 mm 12.7 mm
5/8 in
7/8-14 25-58 34-78
5/8 in
7/8-14 58-92 79-124
15.9 mm 15.9 mm
3/4 in 1-1 /16-12 40-80
54-108
3/4 in
1-1/16-12 80-128 108-174
19.0 mm 19.0 mm
7/8jn
1-3/16-12
60-100
81-135
7/8 in
1-3/16-12
100-160
136-216
22.2 mm
22.2 mm
1.0 in
1-5/16-12 75-.117 102-158
1.0 in
1-5/16-12
117-187 159-253
25.4 mm 25.4 mm
1-1/4 in 1-5/8-12 125-165
169-223
1-1/4 in
1-5/8-12 165-264 224-357
31.8 mm
31.8 mm
1-1/2 in
1-7/8-12
210-250 285-338
1-1/2 in
1-7/8-12 250-400
339-542
38.1 mm 38.1 mm
Split Flange Mounting Bolts
Pound- Newton
Size Feet
metres
5/16-18 15-20
20-27
3/8-16 20-25
26-33
7/16-14 35-45
47-61
1 /2-13 55-65
74-88
5/8-11 140-150 190-203
811361B
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