Installation
Promag 50
24
Hauser
3.3.2
Installing the Promag L sensor
"
Caution!
• The protective covers mounted on the two sensor flanges (DN 50…300) are used to hold the lap
joint flanges in place and to protect the PTFE liner during transportation. Consequently, do not
remove these covers until immediately before the sensor is installed in the pipe.
• The covers must remain in place while the device is in storage.
• Make sure that the lining is not damaged or removed from the flanges.
!
Note!
Bolts, nuts, seals, etc. are not included in the scope of supply and must be supplied by the customer.
The sensor is designed for installation between the two piping flanges.
• Observe in any case the necessary screw tightening torques on
• If grounding disks are used, follow the mounting instructions which will be enclosed with the
shipment
• To comply with the device specification, a concentrical installation in the measuring section is
required
a0004296
Fig. 18:
Installing the Promag L sensor
Seals
Comply with the following instructions when installing seals:
• Hard rubber lining
additional seals are
always
necessary.
• Polyurethane lining
no
seals are required.
• PTFE lining
no
seals are required.
• For DIN flanges, use only seals according to EN 1514-1.
• Make sure that the seals do not protrude into the piping cross-section.
"
Caution!
Risk of short circuit!
Do not use electrically conductive sealing compounds such as graphite! An electrically conductive
layer could form on the inside of the measuring tube and short-circuit the measuring signal.
Ground cable
• If necessary, special ground cables for potential equalization can be ordered as an accessory
(
76).
• Information on potential equalization and detailed mounting instructions for the use of ground
cables can be found on
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