Endress+Hauser Proline Promag W 500, Руководство по эксплуатации

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Installation Proline Promag W 500 PROFINET
30 Hauser
5. Install the measuring device or turn the transmitter housing so that the cable entries
do not point upwards.

A0029263
Mounting the seals
L
CAUTION
An electrically conductive layer could form on the inside of the measuring tube!
Risk of measuring signal short circuit.
‣
Do not use electrically conductive sealing compounds such as graphite.
Comply with the following instructions when installing seals:
1. Make sure that the seals do not protrude into the piping cross-section.
2. For DIN flanges: only use seals according to DIN EN 1514-1.
3. For "hard rubber" liner: additional seals are
always required.
4. For "polyurethane" liner: generally additional seals are not required.
Mounting the ground cable/ground disks
Comply with the information on potential equalization and detailed mounting instructions
for the use of ground cables/ground disks →  65.
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.
Nominal screw tightening torques →  35
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] HG 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