Endress+Hauser Hart Proline Promag P 500, Руководство по эксплуатации, Страница: 30 / 210

Installation Proline Promag P 500 HART
30 Hauser
Screw tightening torques
Please note the following:
• The screw tightening torques listed below apply only to lubricated threads and to pipes
not subjected to tensile stress.
• Tighten the screws uniformly and in diagonally opposite sequence.
• Overtightening the screws will deform the sealing faces or damage the seals.
Screw tightening torques for EN 1092-1 (DIN 2501), PN 10/16/25/40
Nominal
diameter
Pressure rating Screws Flange thickness Max. screw tightening torque
[Nm]
[mm] [bar] [mm] [mm] PTFE PFA
15 PN 40 4 × M12 16 11 –
25 PN 40 4 × M12 18 26 20
32 PN 40 4 × M16 18 41 35
40 PN 40 4 × M16 18 52 47
50 PN 40 4 × M16 20 65 59
65
1)
PN 16 8 × M16 18 43 40
65 PN 40 8 × M16 22 43 40
80 PN 16 8 × M16 20 53 48
80 PN 40 8 × M16 24 53 48
100 PN 16 8 × M16 20 57 51
100 PN 40 8 × M20 24 78 70
125 PN 16 8 × M16 22 75 67
125 PN 40 8 × M24 26 111 99
150 PN 16 8 × M20 22 99 85
150 PN 40 8 × M24 28 136 120
200 PN 10 8 × M20 24 141 101
200 PN 16 12 × M20 24 94 67
200 PN 25 12 × M24 30 138 105
250 PN 10 12 × M20 26 110 –
250 PN 16 12 × M24 26 131 –
250 PN 25 12 × M27 32 200 –
300 PN 10 12 × M20 26 125 –
300 PN 16 12 × M24 28 179 –
300 PN 25 16 × M27 34 204 –
350 PN 10 16 × M20 26 188 –
350 PN 16 16 × M24 30 254 –
350 PN 25 16 × M30 38 380 –
400 PN 10 16 × M24 26 260 –
400 PN 16 16 × M27 32 330 –
400 PN 25 16 × M33 40 488 –
450 PN 10 20 × M24 28 235 –
450 PN 16 20 × M27 40 300 –
450 PN 25 20 × M33 46 385 –
500 PN 10 20 × M24 28 265 –
500 PN 16 20 × M30 34 448 –