KROHNE OPTIMASS Sensors Corrosion guidelines EN User Manual
Page 16
16
Corrosion Guide Rev 1.05 Jan 2006
Alloy type
Si
Fe
Cu
Mn
Mg
Cr
Ni
Zn
Ti
Pb
ADC 1
AlSi12Fe
11.0...13.0
1.3
1.0
0.3
0.3
-
0.5
0.5
-
-
ADC 3
AlSi9Mg0,5Fe
9.0...10.0
3
1.0
0.3
0.4...0.6
-
0.5
0.5
-
-
AlSi10Mg [Fe]
9.0...11.0
1.0
0.1
0.55
0.20...0.50
-
0.15
0.15
0.20
0.15
ALZn10Si8Mg
8.5...9.3
0.4
0.02
0.4
0.3...0.5
-
-
9.0...10.0
0.1
-
For aggressive coastal or off shore based environments, KROHNE can provide an optional salt water resistant
coating. (see specifications below)
This is not in the standard price list. Please contact Product Management in Wellingborough, UK.
3.1 Housing Specifications
The MFC 050 and MFC 051 Range of Converters are available with KD(W) housings
KD Housing
This housing is prepared for long term applications in coastal and offshore environments.
KDW
The “W” suffix denotes the same specification as the standard KD housing but with the following additions:
•
Ingress protection IP 67
•
Special surface finish to:
•
Aluminium housing
•
Chromatized with (Henkel) Alodine 1200 S
•
Coated with Brillux 5910 Polyester powder
•
All outside threads have stainless steel inlays
•
Blue (RAL 5005) housing colour
•
1000 h spray test with sodium chloride solutions to:
•
DIN 50021:1988
•
ISO 1456:1974
•
ASTM B 117:1973
The MFC 300 Range of Converters are available with a SS 316L Housing
ADC 1
AlSi12Fe
ADC 3
AlSi9Mg0,5Fe
AlSi10Mg [Fe]
ALZn10Si8Mg
SS 316L
MFC050
MFC 051
MFC050 Ex
MFC051 Ex
MFC 300
MFC 300 Ex