Endress+Hauser Proline Promag 55 - Page 23

Proline Promag 55 PROFIBUS DP/PA Installation
Endress+Hauser 23
Screw tightening torques
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 S
Nominal
diameter
EN (DIN)
Pressure
rating
Threaded
fasteners
Max. tightening torque [Nm]
[mm] [bar] Natural
rubber
Polyurethane PTFE PFA Hard rubber
15 PN 40 4 × M 12 – – 11 – –
25 PN 40 4 × M 12 – 15 26 20 –
32 PN 40 4 × M 16 – 24 41 35 –
40 PN 40 4 × M 16 – 31 52 47 –
50 PN 40 4 × M 16 – 40 65 59 48
65 * PN 16 8 × M 16 11 27 43 40 32
65 PN 40 8 × M 16 – 27 43 40 32
80 PN 16 8 × M 16 13 34 53 48 40
80 PN 40 8 × M 16 – 34 53 48 40
100 PN 16 8 × M 16 14 36 57 51 43
100 PN 40 8 × M 20 – 50 78 70 59
125 PN 16 8 × M 16 19 48 75 67 56
125 PN 40 8 × M 24 – 71 111 99 83
150 PN 16 8 × M 20 27 63 99 85 74
150 PN 40 8 × M 24 – 88 136 120 104
200 PN 10 8 × M 20 35 91 141 101 106
200 PN 16 12 × M 20 28 61 94 67 70
200 PN 25 12 × M 24 – 92 138 105 104
250 PN 10 12 × M 20 27 71 110 – 82
250 PN 16 12 × M 24 48 85 131 – 98
250 PN 25 12 × M 27 – 134 200 – 150
300 PN 10 12 × M 20 34 81 125 – 94
300 PN 16 12 × M 24 67 118 179 – 134
300 PN 25 16 × M 27 – 138 204 – 153
350 PN 10 16 × M 20 47 118 188 – 112
350 PN 16 16 × M 24 68 165 254 – 152
350 PN 25 16 × M 30 – 252 380 – 227
400 PN 10 16 × M 24 65 167 260 – 151
400 PN 16 16 × M 27 95 215 330 – 193
400 PN 25 16 × M 33 – 326 488 – 289
450 PN 10 20 × M 24 59 133 235 – 153
450 PN 16 20 × M 27 96 196 300 – 198
450 PN 25 20 × M 33 – 253 385 – 256
500 PN 10 20 × M 24 66 171 265 – 155
500 PN 16 20 × M 30 132 300 448 – 275