KROHNE ALTOFLUX IFS 4005 EN - Manual (Page 8)

8
6 Torques
• Tighten stud bolts uniformly in diagonally opposite sequence, see table for number and type.
• Irathane liner, thickness > 12 mm / > 0.50”
The max. torque refers to the nominal diameter of the pipe flanges and not to the nominal
diameter of the measuring tube.
• Column A
Torques for Teflon
® -PFA and Teflon ® -PTFE liners.
• Column B
Torques for liners made of
Neoprene, Irathane, Tefzel, soft rubber and FEP.
• 10 Nm ~ 1.0 kpm ~ 7.23 ft
××
lbf
Meter
size
DN
mm Pressure
rating
PN
Bolts Max. torque
Nm (ft x lbf)
10
15
20
25
32
40
50
65
65
80
100
125
150
200
200
250
250
300
300
350
400
450
500
600
700
800
900
1000
40
40
40
40
40
40
40
16
40
25
16
16
16
10
16
10
16
10
16
10
10
10
10
10
10
10
10
10
0 4 x M 12
0 4 x M 12
0 4 x M 12
0 4 x M 12
0 4 x M 16
0 4 x M 16
0 4 x M 16
0 4 x M 16
0 8 x M 16
0 8 x M 16
0 8 x M 16
0 8 x M 16
0 8 x M 20
0 8 x M 20
12 x M 20
12 x M 20
12 x M 24
12 x M 20
12 x M 24
16 x M 20
16 x M 24
20 x M 24
20 x M 24
20 x M 27
20 x M 27
24 x M 30
28 x M 30
28 x M 35
00 7.6
00 9.3
0 16
0 22
0 37
0 43
0 55
0 51
0 38
0 47
0 39
0 53
0 68
0 84
0 68
0 78
116
0 88
144
0 97
139
127
149
205
238
328
–
–
00 4.6
00 5.7
01 9.6
0 11
0 19
0 25
0 31
0 42
0 21
0 25
0 30
0 40
0 47
0 68
0 45
0 65
1 78
0 76
105
0 75
104
1 93
107
138
163
219
205
261
Meter
size
inch
Body
pressure
rating
lb Bolts
for ANSI
class 150
flanges Max. torque
Nm (ft x lbf)
3 / 8
1 / 2
3 / 4
1
1 1 / 2
2
3
4
6
8
10
12
14
16
18
20
24
28
32
36
40
580
580
580
580
580
580
360
230
230
145
145
145
145
145
145
145
145
145
145
145
145
0 4 x 1 / 2 ”
0 4 x 1 / 2 ”
0 4 x 1 / 2 ”
0 4 x 1 / 2 ”
0 4 x 1 / 2 ”
0 4 x 5 / 8 ”
0 4 x 5 / 8 ”
0 8 x 5 / 8 ”
0 8 x 3 / 4 ”
0 8 x 3 / 4 ”
12 x 7 / 8 ”
12 x 7 / 8 ”
12 x 1”
16 x 1”
16 x 1 1 / 8 ”
20 x 1 1 / 8 ”
20 x 1 1 / 4 ”
28 x 1 1 / 4 ”
28 x 1 1 / 2 ”
32 x 1 1 / 2 ”
36 x 1 1 / 2 ”
00 3.5
00 3.5
01 4.8
02 6.7
0 13
0 24
0 43
0 34
0 61
0 86
0 97
119
133
130
199
182
265
242
380
–
–
00 3.6
00 3.6
01 4.8
01 4.4
0 12
0 23
0 39
0 31
0 51
0 69
0 79
104
0 93
0 91
143
127
180
161
259
269
269
(5.5)
(6.7)
(11.6)
(15.9)
(26.8)
(31.1)
(39.8)
(36.9)
(27.5)
(34.0)
(28.2)
(38.3)
(49.2)
(60.7)
(49.2)
(56.4)
(83.9)
(63.7)
(104.2)
(70.1)
(100.5)
(91.8)
(107.7)
(148.2)
(172.1)
(237.1)
(3.3)
(4.1)
(6.9)
(8.0)
(13.0)
(18.1)
(22.4)
(30.4)
(15.2)
(18.1)
(21.7)
(28.9)
(34.0)
(49.2)
(32.5)
(47.0)
(56.4)
(54.9)
(75.9)
(54.2)
(75.2)
(67.2)
(77.4)
(99.8)
(117.8)
(158.3)
(148.2)
(188.7)
(2.5)
(2.5)
(3.5)
(4.8)
(9.4)
(17.4)
(31.1)
(24.6)
(44.1)
(62.2)
(70.2)
(86.1)
(96.2)
(94.0)
(143.9)
(131.6)
(191.6)
(175.0)
(274.7)
(2.6)
(2.6)
(3.5)
(3.2)
(8.7)
(16.6)
(28.2)
(22.4)
(36.9)
(49.9)
(57.1)
(75.2)
(76.2)
(65.8)
(103.4)
(91.8)
(130.1)
(116.4)
(187.3)
(194.5)
(194.5)
Note: Process pressure must not exceed ANSI
flange rating. Refer to ANSI Standard B 16.5.
A B A B
Teflon ® is registered trademark of Du Pont