Endress+Hauser PROFI BUS Proline Promag 53 PROFIBUS DP Operating Manual page 30

Installation
30
Screw tightening torques (Promag W)
Note the following points:
• The tightening torques listed below are for lubricated threads only.
• Always tighten the screws 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 W
Nominal diameter
[mm]
25
32
40
50
65 *
65
80
80
100
100
125
125
150
150
200
200
200
250
250
250
300
300
300
350
350
350
400
400
400
450
450
450
500
500
500
600
EN (DIN) Screws
Pressure rating
[bar]
PN 40 4 x M 12
PN 40 4 x M 16
PN 40 4 x M 16
PN 40 4 x M 16
PN 16 8 x M 16
PN 40 8 x M 16
PN 16 8 x M 16
PN 40 8 x M 16
PN 16 8 x M 16
PN 40 8 x M 20
PN 16 8 x M 16
PN 40 8 x M 24
PN 16 8 x M 20
PN 40 8 x M 24
PN 10 8 x M 20
PN 16 12 x M 20
PN 25 12 x M 24
PN 10 12 x M 20
PN 16 12 x M 24
PN 25 12 x M 27
PN 10 12 x M 20
PN 16 12 x M 24
PN 25 16 x M 27
PN 10 16 x M 20
PN 16 16 x M 24
PN 25 16 x M 30
PN 10 16 x M 24
PN 16 16 x M 27
PN 25 16 x M 33
PN 10 20 x M 24
PN 16 20 x M 27
PN 25 20 x M 33
PN 10 20 x M 24
PN 16 20 x M 30
PN 25 20 x M 33
PN 10 20 x M 27
Proline Promag 53 PROFIBUS DP/PA
Max. tightening torque [Nm]
Hard rubber Polyurethane
-
-
-
-
32
32
40
40
43
59
56
83
74
104
106
70
104
82
98
150
94
134
153
112
152
227
151
193
289
153
198
256
155
275
317
206
Endress+Hauser
15
24
31
40
27
27
34
34
36
50
48
71
63
88
91
61
92
71
85
134
81
118
138
118
165
252
167
215
326
133
196
253
171
300
360
219