Endress+Hauser MODBUS RS485 - Page 22

Installation Proline Promag 53 MODBUS RS485
22 Endress+Hauser
Screw tightening torques (Promag W)
Note the following points:
• The tightening torques listed below are for lubricated threads only.
• Always tighten the screws uniformly and in diagonally opposite sequence.
• Overtightening the screws will deform the sealing faces or damage the seals.
• The tightening torques listed below apply only to pipes not subjected to tensile stress.
Tightening torques for:
• EN (DIN) → ä 22
• JIS → ä 24
•ANSI → ä 24
•AWWA → ä 25
• AS 2129 → ä 25
• AS 4087 → ä 26
Promag W tightening torques for EN (DIN)
Nominal diameter EN (DIN) Max. tightening torque [Nm]
[mm] Pressure rating
[bar]
Screws Hard rubber Polyurethane
25 PN 40 4 × M 12 - 15
32 PN 40 4 × M 16 - 24
40 PN 40 4 × M 16 - 31
50 PN 40 4 × M 16 - 40
65* PN 16 8 × M 16 32 27
65 PN 40 8 × M 16 32 27
80 PN 16 8 × M 16 40 34
80 PN 40 8 × M 16 40 34
100 PN 16 8 × M 16 43 36
100 PN 40 8 × M 20 59 50
125 PN 16 8 × M 16 56 48
125 PN 40 8 × M 24 83 71
150 PN 16 8 × M 20 74 63
150 PN 40 8 × M 24 104 88
200 PN 10 8 × M 20 106 91
200 PN 16 12 × M 20 70 61
200 PN 25 12 × M 24 104 92
250 PN 10 12 × M 20 82 71
250 PN 16 12 × M 24 98 85
250 PN 25 12 × M 27 150 134
300 PN 10 12 × M 20 94 81
300 PN 16 12 × M 24 134 118
300 PN 25 16 × M 27 153 138
350 PN 6 12 × M 20 111 120
350 PN 10 16 × M 20 112 118
350 PN 16 16 × M 24 152 165
350 PN 25 16 × M 30 227 252
400 PN 6 16 × M 20 90 98
400 PN 10 16 × M 24 151 167
400 PN 16 16 × M 27 193 215
400 PN 25 16 × M 33 289 326
450 PN 6 16 × M 20 112 126
450 PN 10 20 × M 24 153 133
450 PN 16 20 × M 27 198 196
450 PN 25 20 × M 33 256 253
500 PN 6 20 × M 20 119 123
500 PN 10 20 × M 24 155 171