Mounting procedure Proline Promag W 800
34 Endress+Hauser
NOTICE
Insufficient sealing!
Operational reliability of the measuring device could be compromised. Overtightening the
screws can deform or damage the liner in the area of the sealing surface.
‣
The values for the screw tightening torques depend on variables such as the seal,
screws, lubricants, tightening methods etc. These variables are outside the control of
the manufacturer. The values indicated are therefore guideline values only.
Maximum screw tightening torques
Maximum screw tightening torques for EN 1092-1 (DIN 2501)
Nominal diameter Pressure
rating
Screws Flange
thickness
Max. screw tightening torque [Nm]
[mm] [in] [bar] [mm] [mm] HR PUR PTFE
25 1 PN 40 4 × M12 18 – 15 26
32 – PN 40 4 × M16 18 – 24 41
40 1 ½ PN 40 4 × M16 18 – 31 52
50 2 PN 40 4 × M16 20 48 40 65
65
1)
– PN 16 8 × M16 18 32 27 44
65 – PN 40 8 × M16 22 32 27 44
80 3 PN 16 8 × M16 20 40 34 53
PN 40 8 × M16 24 40 34 53
100 4 PN 16 8 × M16 20 43 36 57
PN 40 8 × M20 24 59 50 79
125 – PN 16 8 × M16 22 56 48 75
PN 40 8 × M24 26 83 71 112
150 6 PN 16 8 × M20 22 74 63 99
PN 40 8 × M24 28 104 88 137
200 8 PN 10 8 × M20 24 106 91 141
PN 16 12 × M20 24 70 61 94
PN 25 12 × M24 30 104 92 139
250 10 PN 10 12 × M20 26 82 71 110
PN 16 12 × M24 26 98 85 132
PN 25 12 × M27 32 150 134 201
300 12 PN 10 12 × M20 26 94 81 126
PN 16 12 × M24 28 134 118 179
PN 25 16 × M27 34 153 138 204
350 14 PN 6 12 × M20 22 111 120 –
PN 10 16 × M20 26 112 118 –
PN 16 16 × M24 30 152 165 –
PN 25 16 × M30 38 227 252 –
400 16 PN 6 16 × M20 22 90 98 –
PN 10 16 × M24 26 151 167 –
PN 16 16 × M27 32 193 215 –
PN 25 16 × M33 40 289 326 –
450 18 PN 6 16 × M20 22 112 126 –
PN 10 20 × M24 28 153 133 –
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