Promag 50
Installation
Hauser
27
3.3.3
Installing the Promag W sensor
!
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
a0004296
Fig. 19:
Installing the Promag W sensor
Seals
Comply with the following instructions when installing seals:
• Hard rubber lining
additional seals are
always
necessary.
• Polyurethane 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
Screw tightening torques (Promag W)
Please note the following:
• 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.
