SICK LFP Inox Betriebsanleitung Seite 31

LFP
Installation in a metal tank
C With coaxial tube
Diagram 1
In a 3-A compliant installation, the neck height shouldn't be bigger than the neck diameter. Tank,
pipe and process connection (tank side) should follow the guidelines and applicable standards for
hygienic design such as roughness of wet parts Ra< = 0.8 µm.
Installation in a metal immersion tube or metal bypass
Diagram 2
8014638/ZQ14/2017-08-25 © SICK AG • Level sensors • Germany • Subject to change without
4 Commissioning
Unit with mono probe mounted in
metal tank
Installation in nozzle:
D >= DN 25 (1")
Distance tank wall/tank bottom:
A >= 50 mm (1.97")
B >= 10 mm (0.40")
Distance to other tank ttings
>= 100mm (3.94")
Unit with coaxial tube for metal and
non metal tank
D
C = with a coaxial tube there are no
minimum distances to the tank wall
or to other tank ttings required
Mono probe A
D ≥ DN 40
Distance to bypass bottom/tank bottom
B ≥ 15 mm
D
Center
EN
Operating instructions
31