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Torque calculations
All values are theoretical and are calculated on the assumption that:
• All bolts are new and material selection is according to EN 1515-1 table 2.
• Gasket material not exceeding 75 shore A is used between the flowmeter and mating flanges.
• All bolts are galvanized and adequately lubricated.
• Flanges are made of carbon steel.
• Flowmeter and mating flanges are correctly aligned.
4.2.5
Potential equalization
To obtain optimum results from the measuring system, the sensor must have the same electrical
potential as the liquid being measured.
This is achieved by means of built-in grounding electrodes.
Figure 4-16
Cathodic protected piping
Special attention must be paid to systems with cathodic protection.
Use in hazardous area!
Cathodic pipe protection is not allowed in hazardous areas
TRANSMAG 2 with MAG 911/E
Operating Instructions, 03/2021, A5E00102775-AC
Potential equalization with earthing electrodes
WARNING
Installing/mounting
4.2 Sensor installation
27
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