Proline Promag 51
Installation
Hauser
23
Tightening torques for threaded fasteners (Promag P)
Note the following points:
• The tightening torques listed below are for lubricated threads only.
• Always tighten threaded fasteners uniformly and in diagonally opposite sequence.
• Overtightening the fasteners will deform the sealing faces or damage the seals.
• The tightening torques listed below apply only to pipes not subjected to tensile stress.
Promag P tightening torques for EN (DIN)
Nominal diameter
EN (DIN)
Pressure rating
Threaded
fasteners
Max. tightening torque [Nm]
[mm]
[bar]
PTFE
PFA
15
PN 40
4 × M 12
11
–
25
PN 40
4 × M 12
26
20
32
PN 40
4 × M 16
41
35
40
PN 40
4 × M 16
52
47
50
PN 40
4 × M 16
65
59
65 *
PN 16
8 × M 16
43
40
65
PN 40
8 × M 16
43
40
80
PN 16
8 × M 16
53
48
80
PN 40
8 × M 16
53
48
100
PN 16
8 × M 16
57
51
100
PN 40
8 × M 20
78
70
125
PN 16
8 × M 16
75
67
125
PN 40
8 × M 24
111
99
150
PN 16
8 × M 20
99
85
150
PN 40
8 × M 24
136
120
200
PN 10
8 × M 20
141
101
200
PN 16
12 × M 20
94
67
200
PN 25
12 × M 24
138
105
250
PN 10
12 × M 20
110
–
250
PN 16
12 × M 24
131
–
250
PN 25
12 × M 27
200
–
300
PN 10
12 × M 20
125
–
300
PN 16
12 × M 24
179
–
300
PN 25
16 × M 27
204
–
350
PN 10
16 × M 20
188
–
350
PN 16
16 × M 24
254
–
350
PN 25
16 × M 30
380
–
400
PN 10
16 × M 24
260
–
400
PN 16
16 × M 27
330
–
400
PN 25
16 × M 33
488
–
450
PN 10
20 × M 24
235
–
450
PN 16
20 × M 27
300
–
450
PN 25
20 × M 33
385
–
500
PN 10
20 × M 24
265
–
500
PN 16
20 × M 30
448
–
500
PN 25
20 × M 33
533
–
600
PN 10
20 × M 27
345
–
600 *
PN 16
20 × M 33
658
–
600
PN 25
20 × M 36
731
–
* Designed acc. to EN 1092-1 (not to DIN 2501)
