Torque Assembly Values for BSP, NPT, SAE, JIC, ORFS

Torque Assembly Values

The Torque Values shown are for guidance only and are based on normal industrial applications.
The Torque Values shown are for plated carbon steel fittings.

Nm = Newton Metres
kg.m = Kilogram Metres
ft.lbf = Foot Pounds Force

TO CONVERT ››› INTO ››› MULTIPLY BY
Nm ft.lbf 0.737
Nm kg.m 0.102
ft.lbf Nm 1.357
ft.lbf kg.m 0.138
kg.m Nm 9.804
kg.m ft.lbf 7.231

BSPP NUTS

BSPP
SIZE		 DASH
SIZE		 SWIVEL NUT TORQUE RANGE
Nm ft.lbf
1/8 -02 11-12 8-9
1/4 -04 25-28 18-20
3/8 -06 41-48 30-35
1/2 -08 72-82 55-60
5/8 -10 96-110 70-80
3/4 -12 124-137 90-100
1 -16 151-165 110-120
1.1/4 -20 192-206 140-150
1.1/2 -24 261-275 190-200
2 -32 343-357 250-260

JIC 37° & SAE 45° (MACHINED OR FLARED)

JIC/SAE
THREAD SIZE		 DASH
SIZE		 SAE RECOMMENDED
SWIVEL NUT TORQUE RANGE
Nm ft.lbf
5/16 – 24 -05 8-9 6-7
3/8 – 24 -06 11-12 8-9
7/16 – 20 -07 15-16 11-12
1/2 – 20 -08 19-21 14-15
9/16 – 18 -09 24-28 18-20
3/4 – 16 -12 49-53 36-39
7/8 – 14 -14 77-85 57-63
1.1/16 – 12 -17 107-119 79-88
1.3/16 – 12 -19 127-140 94-103
1.5/16 – 12 -21 147-154 108-113
1.5/8 – 12 -26 172-181 127-133
1.7/8 – 12 -30 215-226 158-167
2.1/2 – 12 -40 332-350 245-258

METRIC 24°, 60° & UNIVERSAL INVERTED CONE

THREAD
SIZE		 TUBE DIA.
S-HEAVY		 TUBE DIA.
L-LIGHT		 SWIVEL NUT TORQUE RANGE
mm mm Nm ft.lbf
M12 x 1,5 6 10-20 7-15
M14 x 1,5 6 8 20-35 15-26
M16 x 1,5 8 10 25-40 18-30
M18 x 1,5 10 12 30-45 22-33
M20 x 1,5 12 35-50 26-37
M22 x 1,5 14 15 40-70 30-52
M24 x 1,5 16 40-70 30-52
M26 x 1,5 18 60-100 44-74
M30 x 2,0 20 22 80-120 59-89
M36 x 2,0 25 28 100-150 74-111
M42 x 2,0 30 150-220 74-163
M45 x 2,0 35 180-250 133-184
M52 x 2,0 38 42 200-300 148-221

ORFS

ORFS
THREAD SIZE		 DASH
SIZE		 SAE RECOMMENDED
SWIVEL NUT TORQUE RANGE
Nm ft.lbf
9/16 – 18 -09 14-16 10-12
11/16 – 16 -11 24-27 18-20
13/16 – 16 -13 43-47 32-35
1 – 14 -16 60-68 46-50
1.3/16 – 12 -19 90-95 65-70
1.7/16 – 12 -23 125-135 92-100
1.11/16 – 12 -27 170-190 125-140
2-12 -32 200-225 150-165

UNO (O RING BOSS)

UNO
THREAD SIZE		 DASH
SIZE		 SAE RECOMMENDED
STRAIGHT FITTING OR
LOCK NUT TORQUE RANGE
Nm ft.lbf
3/8 – 24 -06 11-13 8-10
7/16 – 20 -07 20-22 14-16
1/2 – 20 -08 24-27 18-20
9/16 – 18 -09 33-35 24-26
3/4 – 16 -12 68-78 50-60
7/8 – 14 -14 98-110 72-82
1.1/16 – 12 -17 170-183 125-135
1.3/16 – 12 -19 230-260 170-190
1.5/16 – 12 -21 270-300 200-220
1.5/8 -12 -26 285-380 210-280
1.7/8 – 12 -30 370-490 270-360

SAE FLANGE CLAMP BOLTS  CODE 61

BOLT DATA
UN CLASS 2A
(THREAD X LENGTH)		 FLANGE
DASH
SIZE		 SAE RECOMMENDED
BOLT TORQUE RANGE
Nm ft.lbf
5/16 – 18 X 1.1/4 -08 20-25 15-18
3/8 – 16 X 1.1/4 -12 28-40 21-29
3/8 – 16 X 1.1/4 -16 37-48 27-35
7/16 – 14 X 1.1/2 -20 48-62 35-46
1/2 – 13 X 1.1/2 -24 62-79 46-58
1/2 – 13 X 1.1/2 -32 73-90 54-66
1/2 – 13 X 1.3/4 -40 107-124 79-91

SAE FLANGE CLAMP BOLTS CODE 62

BOLT DATA
UN CLASS 2A
(THREAD X LENGTH)		 FLANGE
DASH
SIZE		 SAE RECOMMENDED
BOLT TORQUE RANGE
Nm ft.lbf
5/16 – 18 X 1.1/4 -08 20-25 15-18
3/8 – 16 X 1.1/2 -12 34-45 25-33
7/16 – 14 X 1.3/4 -16 56-68 41-50
1/2 – 13 X 1.3/4 -20 85-102 63-75
5/8 – 11 X 2.1/4 -24 158-181 116-133
3/4 – 10 X 2.3/4 -32 271-294 200-217

SAE FLANGE BLOCK BOLTS CODE 61

BOLT DATA
UN CLASS 2B
(THREAD X LENGTH)		 FLANGE
DASH
SIZE		 RECOMMENDED
BOLT TORQUE RANGE
Nm ft.lbf
5/16 – 18 X 1.1/4 -08 20-25 15-18
3/8 – 16 X 1.1/2 -12 28-40 21-29
3/8 – 16 X 1.1/2 -16 37-48 27-35
7/16 – 14 X 1.3/4 -20 48-62 35-46
1/2 – 13 X 1.3/4 -24 62-79 46-58
1/2 – 13 X 1.3/4 -32 73-90 54-66

SAE FLANGE BLOCK BOLTS CODE 62

BOLT DATA
UN CLASS 2B
(THREAD X LENGTH)		 FLANGE
DASH
SIZE		 RECOMMENDED
BOLT TORQUE RANGE
Nm ft.lbf
3/8 – 16 X 1.1/2 -12 34-45 25-33
7/16 – 14 X 1.3/4 -16 56-68 41-50
1/2 – 13 X 1.3/4 -20 85-102 63-75
5/8 – 11 X 2 -24 158-187 116-138
3/4 – 10 X 2.1/2 -32 271-294 200-217