3 Installation PROline Promag 10
24 Endress+Hauser
Screw tightening torques (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
Screws Max. torque [Nm]
[mm] [bar] Hard rubber Polyurethane
25 PN 40 4 x M 12 − 15
32 PN 40 4 x M 16 − 24
40 PN 40 4 x M 16 − 31
50 PN 40 4 x M 16 − 40
65 PN 16 4 x M 16 65 55
80 PN 16 8 x M 16 40 34
100 PN 16 8 x M 16 43 36
125 PN 16 8 x M 16 56 48
150 PN 16 8 x M 20 74 63
200 PN 10 8 x M 20 106 91
250 PN 10 12 x M 20 82 71
300 PN 10 12 x M 20 94 81
350 PN 10 16 x M 20 112 118
400 PN 10 16 x M 24 151 167
450 PN 10 20 x M 24 153 133
500 PN 10 20 x M 24 155 171
600 PN 10 20 x M 27 206 219
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