Instruction Manual
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
04
x
M 12
04
x
M 12
04
x
M 12
04
x
M 12
04
x
M 16
04
x
M 16
04
x
M 16
04
x
M 16
08
x
M 16
08
x
M 16
08
x
M 16
08
x
M 16
08
x
M 20
08
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
007.6
009.3
016
022
037
043
055
051
038
047
039
053
068
084
068
078
116
088
144
097
139
127
149
205
238
328
–
–
004.6
005.7
019.6
011
019
025
031
042
021
025
030
040
047
068
045
065
178
076
105
075
104
193
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
04
x
1
/2”
04
x
1
/2”
04
x
1
/2”
04
x
1
/2”
04
x
1
/2”
04
x
5
/8”
04
x
5
/8”
08
x
5
/8”
08
x
3
/4”
08
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”
003.5
003.5
014.8
026.7
013
024
043
034
061
086
097
119
133
130
199
182
265
242
380
–
–
003.6
003.6
014.8
014.4
012
023
039
031
051
069
079
104
093
091
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.
AB A B
Teflon
®
is registered trademark of Du Pont