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4 Ex relevant data for operation in zones 1, 21 and 22
4.3
Temperature data for operation in zone 1
Operation in zone 1
Model
406012/1-1
406013/1-1
406015/1-1
406016/1-1
406012/2-1
406013/2-1
406018/2-1 (dual-compartment housing)
406019/2-1 (dual-compartment housing)
The surface temperature depends on the medium temperature. With an increasing medium temperature
> 70 °C (158 °F) or > 85 °C (185 °F), the surface temperature also increases to the level of the medium
temperature.
IMPORTANT (NOTE)!
The maximum admissible measurement medium temperature depends on the lining and flange material
and is limited by the operating data in table 1 and the explosion-relevant technical data in tables 2 and 3.
Table 1: Medium temperature depending on the lining and flange material
Model 406012/1-1, 406012/2-1, 406013/1-1, 406013/2-1
Materials
Lining
Hard rubber
Soft rubber
PTFE
PFA
Thick PTFE
ETFE
Model 406015/1-1, 406016/1-1
Lining
PFA
PFA
PFA
Flange
Steel
Stainless steel
Steel
Stainless steel
Steel
Stainless steel
Steel
Stainless steel
Steel
Stainless steel
Steel
Stainless steel
Process connec-
tion
Flange
Connection flange
Variable process
connection
Surface temperature
70 °C (158 °F)
85 °C (185 °F)
70 °C (158 °F)
Medium temperature (operating data)
Minimum
-10 °C (14 °F)
-15 °C (5 °F)
-10 °C (14 °F)
-15 °C (5 °F)
-10 °C (14 °F)
-25 °C (-13 °F)
-10 °C (14 °F)
-25 °C (-13 °F)
-10 °C (14 °F)
-25 °C (-13 °F)
-10 °C (14 °F)
-25 °C (-13 °F)
Medium temperature (operating data)
Material
Minimum
Stainless
-25 °C (-13 °F)
steel
-
-25 °C (-13 °F)
Stainless
-25 °C (-13 °F)
steel
Maximum
90 °C (194 °F)
60 °C (140 °F)
130 °C (266 °F)
180 °C (356 °F)
180 °C (356 °F)
130 °C (266 °F)
Maximum
180 °C (356 °F)
130 °C (266 °F)
130 °C (266 °F)
33
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