33
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
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.
Table 1: Medium temperature depending on the lining and flange material
Model 406012/1-1, 406012/2-1, 406013/1-1, 406013/2-1
Model 406015/1-1, 406016/1-1
Model
Surface temperature
406012/1-1
70 °C (158 °F)
406013/1-1
406015/1-1
406016/1-1
406012/2-1
85 °C (185 °F)
406013/2-1
406018/2-1 (dual-compartment housing)
70 °C (158 °F)
406019/2-1 (dual-compartment housing)
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.
Materials
Medium temperature (operating data)
Lining
Flange
Minimum
Maximum
Hard rubber
Steel
-10 °C (14 °F)
90 °C (194 °F)
Stainless steel
-15 °C (5 °F)
Soft rubber
Steel
-10 °C (14 °F)
60 °C (140 °F)
Stainless steel
-15 °C (5 °F)
PTFE
Steel
-10 °C (14 °F)
130 °C (266 °F)
Stainless steel
-25 °C (-13 °F)
PFA
Steel
-10 °C (14 °F)
180 °C (356 °F)
Stainless steel
-25 °C (-13 °F)
Thick PTFE
Steel
-10 °C (14 °F)
180 °C (356 °F)
Stainless steel
-25 °C (-13 °F)
ETFE
Steel
-10 °C (14 °F)
130 °C (266 °F)
Stainless steel
-25 °C (-13 °F)
Medium temperature (operating data)
Lining
Process connec-
tion
Material
Minimum
Maximum
PFA
Flange
Stainless
steel
-25 °C (-13 °F)
180 °C (356 °F)
PFA
Connection flange
-
-25 °C (-13 °F)
130 °C (266 °F)
PFA
Variable process
connection
Stainless
steel
-25 °C (-13 °F)
130 °C (266 °F)
Содержание 406012/1-1
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Страница 38: ...4 Ex relevant data for operation in zones 1 21 and 22 38...
Страница 50: ...6 Startup 50...
Страница 54: ...7 Maintenance 54...
Страница 56: ...8 Annex 56...
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