Endress+Hauser PROMAG 33 - Screw Tightening Torques (Promag F)

Screw tightening torques (Promag F)
The tightening torques listed apply to greased threads.
Screws tightened up too tightly deform the sealing surface. Special attention should
be paid to soft rubber linings.
Note!
The tightening torques given here apply only to those pipes which are not subject
to mechanical stress.
Note!
Diameter Pressure ratings Screws Max. tightening torques [Nm]
[mm] [inch] DIN
[bar]
ANSI
[lbs]
AWWA JIS Hard rubber Soft rubber
(EPDM)
PTFE
(Teflon)
15
25
32
40
50
1
/
2
"
1"
–
1
1
/
2
"
2"
PN 40 Class
150
–
20K
20K
20K
20K
10K
4xM12
4xM12
4xM12
4xM16
4xM16
–
25
40
50
64
–
5
8
11
15
15
33
53
67
84
65
80
100
125
150
–
3"
4"
–
6"
PN 16 Class
150
–
10K
10K
10K
10K
10K
4xM16
8xM16
8xM16
8xM16
8xM20
87
53
65
80
110
22
14
22
30
48
114
70
85
103
140
200
250
300
8"
10"
12"
PN 10 Class
150
–
10K
10K
10K
8 x M 20
12 x M 20
12 x M 20
108
104
119
53
29
39
137
139
159
350
400
-
500
600
14"
16"
18"
20"
24"
PN
10/16
Class
150
–
16 x M 20
16 x M 24
20 x M 24
20 x M 24
20 x M 27
141/193
191/245
170/251
197/347
261/529
39/79
59/111
58/111
70/152
107/236
188/258
255/326
227/335
262/463
348/706
700
800
900
1000
28"
30"
32"
36"
PN
10/16
– Class
D
24 x M 27
24 x M 30
28 x M 30
28 x M 33
312/355
417/471
399/451
513/644
122/235
173/330
183/349
245/470
–
–
–
–
1200
–
1400
–
1600
–
1800
–
2000
48"
54"
–
60"
–
66"
72"
78"
–
PN 6 – Class
D
32 x M 36
36 x M 39
36 x M 39
40 x M 45
40 x M 45
44 x M 45
44 x M 45
48 x M 45
48 x M 45
720
840
840
1217
1217
1238
1238
1347
1347
328
432
432
592
592
667
667
749
749
–
–
–
–
–
–
–
–
–
3 Mounting and Installation Promag 33
18 Endress+Hauser