417102012_LMI02.doc - 64 - Rev. 9-07.08
6.1.3.1 Tank wall installation by means of welded-on fittings in acc. with DIN 11851
Drill a hole
with a diameter of 49 mm at the intended position in the tank wall.
The welding fitting has to be welded professional.
NOTE
Negligence in selecting the appropriate material for the connection between the tank wall,
welding electrode, welded-on fittings (material 14301) and post-treatment of the weld
seams can cause corrosion in the weld seam.
Insert sealing gasket on the welded-on fitting.
Place the conductivity probe with adapter from the outside of the tank into the fitting and fix
into place with a retaining nut.
The orientation of the measuring hole can be checked with the aid of the arrow marked on
the back of the conductivity probe.
fig 6.2
Type: Milk pipe fitting (DIN 11851)
Diameter: DN 50
Item no. for conductivity probe 0.2m in PEEK
with PVDF adapter: 287604
Item no. for conductivity probe 0.2m in PP
with PP adapter: 287622
6.1.3.2 Direct tank wall installation by means of retaining nut (for straight tank wall)
Drill a hole
with a diameter of 21 mm in the tank wall at the intended position.
Place the conductivity probe onto the flat gasket ring on the hole from inside the tank.
Fix the conductivity probe into place with a retaining nut and inlaid sealing gasket.
fig 6.3
Type: Screw connection
Through hole: 21 mm
Item no. for
conductivity probe 0.2m in PP
287413
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