Installation
Proline Promag L 400 HART
24
Hauser
Screw tightening torques
Please note the following:
• The screw tightening torques listed below apply only to lubricated threads and to pipes not
subjected to tensile stress.
• Tighten the screws uniformly and in diagonally opposite sequence.
• Overtightening the screws will deform the sealing faces or damage the seals.
Screw tightening torques for EN 1092-1 (DIN 2501), PN 6/10/16
Nominal
diameter
Pressure rating
Threaded
fasteners
Max. screw tightening torque [Nm]
[mm]
[bar]
[mm]
Hard rubber
Polyurethane
PTFE
50
PN 10/16
4
´
M16
–
15
40
65
PN 10/16
8
´
M16
–
10
22
80
PN 10/16
8
´
M16
–
15
30
100
PN 10/16
8
´
M16
–
20
42
125
PN 10/16
8
´
M16
–
30
55
150
PN 10/16
8
´
M20
–
50
90
200
PN 10
8
´
M20
–
65
130
250
PN 10
12
´
M20
–
50
90
300
PN 10
12
´
M20
–
55
100
350
PN 6
12
´
M20
111
120
–
350
PN 10
16
´
M20
112
118
–
400
PN 6
16
´
M20
90
98
–
400
PN 10
16
´
M24
151
167
–
450
PN 6
16
´
M20
112
126
–
450
PN 10
20
´
M24
153
133
–
500
PN 6
20
´
M20
119
123
–
500
PN 10
20
´
M24
155
171
–
600
PN 6
20
´
M24
139
147
–
600
PN 10
20
´
M27
206
219
–
700
PN 6
24
´
M24
148
139
–
700
PN 10
24
´
M27
246
246
–
800
PN 6
24
´
M27
206
182
–
800
PN 10
24
´
M30
331
316
–
900
PN 6
24
´
M27
230
637
–
900
PN 10
28
´
M30
316
307
–
1
000
PN 6
28
´
M27
218
208
–
1
000
PN 10
28
´
M33
402
405
–
1
200
PN 6
32
´
M30
319
299
–
1
200
PN 10
32
´
M36
564
568
–
1
400
PN 6
36
´
M33
430
–
–
1
400
PN 10
36
´
M39
654
–
–
1
600
PN 6
40
´
M33
440
–
–
1
600
PN 10
40
´
M45
946
–
–
1
800
PN 6
44
´
M36
547
–
–