Page: 22
BM 70 X Project Engineering Guidelines 01/2001
6.3.3 Product limitations
Radar-based level measuring devices are not suitable for operation with the following products:
•
liquid ammonia (NH
3
) under pressure
•
liquid hydrogen (H
2
)
•
liquid helium (He)
6.3.4 Product temperature
(unlimited)
The product temperature is not relevant provided the ambient temperature (see 6.2.2) and the flange
temperature (see 6.2.3) are within the specified limits.
6.3.5 Maximum allowable operating pressure
(depends on construction)
Flange system with horn antenna or Wave-Guide:
Nominal size to
DIN(BS) ANSI
DN mm inches
PN 16 PN 25 PN 40 PN 64
DN 80 mm 3“ 16 bar/232 psig --- 40 bar / 580 psig 64 bar/928 psig
DN 100 mm 4“ 16 bar/232 psig ---
38 bar/551 psig 55 bar/797 psig
DN 150 mm 6“ 16 bar/232 psig ---
34 bar/493 psig 47 bar/681 psig
DN 200 mm 8“ 16 bar/232 psig 25 bar/362 psig
32 bar/464 psig 45 bar/652 psig
Information on higher pressures (up to 400 bar / 5800 psi) supplied on request
Wave-Stick without flange plate:
max.
2 bar (29 psig)
Wave-Stick with flange plate:
max.
16 bar (232 psig)
, dependent on temperature:
Temperature T
Pressure
-20 +150 °C+100
-15
+15
232
(46 - 0.3·T[°C]) bar
-4 +302 °C+212
-1
+1
+16
bar psi
To Next Page
Loading...
