Endress+Hauser Promag 53 - Page 27

Promag 53 PROFIBUS-DP/-PA 3 Installation
Endress+Hauser 27
Torques of threaded fasteners (Promag W)
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 W
Nominal diameter
DIN
Pressure rating
Threaded
fasteners
Max. tightening torque [Nm]
[mm] [bar] Hard rubber Polyurethane
25 PN 40 4 x M 12
− 8
32 PN 40 4 x M 16
− 14
40 PN 40 4 x M 16
− 18
50 PN 40 4 x M 16
− 25
65 PN 16 4 x M 16 65 22
65 PN 40 8 x M 16 32 18
80 PN 16 8 x M 16 40 13
80 PN 40 8 x M 16 40 23
100 PN 16 8 x M 16 43 14
100 PN 40 8 x M 20 59 39
125 PN 16 8 x M 16 56 19
125 PN 40 8 x M 24 83 63
150 PN 16 8 x M 20 74 27
150 PN 40 8 x M 24 104 84
200 PN 10 8 x M 20 106 35
200 PN 16 12 x M 20 70 28
200 PN 25 12 x M 24 104 57
250 PN 10 12 x M 20 82 27
250 PN 16 12 x M 24 98 48
250 PN 25 12 x M 27 150 93
300 PN 10 12 x M 20 94 34
300 PN 16 12 x M 24 134 67
300 PN 25 16 x M 27 153 97
350 PN 10 16 x M 20 112 47
350 PN 16 16 x M 24 152 68
350 PN 25 16 x M 30 227 141
400 PN 10 16 x M 24 151 65
400 PN 16 16 x M 27 193 95
400 PN 25 16 x M 33 289 192
450 PN 10 20 x M 24 153 59
450 PN 16 20 x M 27 198 96
450 PN 25 20 x M 33 256 185