Promag 53 PROFIBUS DP/PA Installation
Endress+Hauser 25
Welding the transmitter into the pipe (weld nipple)
"
Caution!
Risk of electronics being destroyed. Please ensure that the welding system is not grounded
via the sensor or transmitter.
1. Secure the sensor using several welding points in the piping. A welding jig suitable for
this purpose can be ordered separately as an accessory → 128.
2. Loosen the screws at the process connection flange, and remove the sensor incl. seal
from the piping.
3. Weld the process connection into the pipe.
4. Mount the sensor back into the pipe. When doing so, make sure that the seal is clean
and positioned correctly.
!
Note!
• If the welding is done properly with thin-walled food pipes, the seal will not be damaged
by heat even when mounted. Nonetheless, it is recommended that you dismantle the
sensor and seal.
• For dismantling purposes, it must be possible to open the piping a total of approx. 8 mm.
Cleaning using pigs
When cleaning using pigs, please note the internal diameters of the measuring tube and the
process connection. All the dimensions and lengths of the sensor and transmitter are
provided in the separate documentation "Technical Information" → 184.
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