Komatsu 830E-AC - Table V

A05001 11/05 Standard Torque Charts and Conversion Tables A5-3
TABLE IV.
TORQUE CHART FOR JIC 37° SWIVEL NUTS
WITH OR WITHOUT O-RING SEALS
SIZE
CODE
TUBE SIZE
(O.D.)
THREADS
UNF-2B
TORQUE
ft lbs
– 2 0.125 0.312 – 24 4 ±1
– 3 0.188 0.375 – 24 8 ±3
– 4 0.250 0.438 – 20 12 ±3
– 5 0.312 0.500 – 20 15 ±3
– 6 0.375 0.562 – 18 18 ±5
– 8 0.500 0.750 – 16 30 ±5
– 10 0.625 0.875 – 14 40 ±5
– 12 0.750 1.062 – 12 55 ±5
– 14 0.875 1.188 – 12 65 ±5
– 16 1.000 1.312 – 12 80 ±5
– 20 1.250 1.625 – 12 100 ±10
– 24 1.500 1.875 – 12 120 ±10
– 32 2.000 2.500 – 12 230 ±20
TABLE V.
TORQUE CHART FOR
PIPE THREAD FITTINGS
SIZE
CODE
PIPE
THREAD
SIZE
WITH
SEALANT
ft lbs
WITHOUT
SEALANT
ft lbs
– 2 0.125 – 27 15 ±3 20 ±5
– 4 0.250 – 18 20 ±5 25 ±5
– 6 0.375 – 18 25 ±5 35 ±5
– 8 0.500 – 14 35 ±5 45 ±5
– 12 0.750 – 14 45 ±5 55 ±5
– 16 1.000 – 11.50 55 ±5 65 ±5
– 20 1.250 – 11.50 70 ±5 80 ±5
– 24 1.500 – 11.50 80 ±5 95 ±10
– 32 2.000 – 11.50 95 ±10 120 ±10
TABLE VI.
TORQUE CHART FOR
O-RING BOSS FITTINGS
SIZE
CODE
TUBE SIZE
(O.D.)
THREADS
UNF-2B
TORQUE
ft lbs
– 2 0.125 0.312 – 24 4 ±2
– 3 0.188 0.375 – 24 5 ±2
– 4 0.250 0.438 – 20 8 ±3
– 5 0.312 0.500 – 20 10 ±3
– 6 0.375 0.562 – 18 13 ±3
– 8 0.500 0.750 – 16 24 ±5
– 10 0.625 0.875 – 14 32 ±5
– 12 0.750 1.062 – 12 48 ±5
– 14 0.875 1.188 – 12 54 ±5
– 16 1.000 1.312 – 12 72 ±5
– 20 1.250 1.625 – 12 80 ±5
– 24 1.500 1.875 – 12 80 ±5
– 32 2.000 2.500 – 12 96 ±10
TABLE VII.
TORQUE CHART FOR
O-RING FACE SEAL FITTINGS
SIZE
CODE
TUBE SIZE
(O.D.)
THREADS
UNF-2B
TORQUE ft
lbs
– 4 0.250 0.438 – 20 11 ±1
– 6 0.375 0.562 – 18 18 ±2
– 8 0.500 0.750 – 16 35 ±4
– 10 0.625 0.875 – 14 51 ±5
– 12 0.750 1.062 – 12 71 ±7
– 16 1.000 1.312 – 12 98 ±6
– 20 1.250 1.625 – 12 132 ±7
– 24 1.500 1.875 – 12 165 ±15