Vega VEGABAR 87 Operating Instructions Manual page 16

4 Mounting
Filter element - Position
Filter element - Position
Ex-d version
16
6
1
6
4
Fig. 7: Position of the filter element
1 Plastic, stainless steel single chamber (precision casting)
2 Aluminium - single chamber
3 Stainless steel single chamber (electropolished)
4 Plastic double chamber
5 Aluminium, stainless steel double chamber housing (precision casting)
6 Filter element
With the following instruments a blind plug is installed instead of the
filter element:
•
Instruments in protection IP66/IP68 (1 bar) - ventilation via capillar-
ies in non-detachable cable
•
Instruments with absolute pressure
→
Turn the metal ring in such a way that the filter element points
downward after installation of the instrument. This provides better
protection against buildup.
6
2
VEGABAR 87 • 4 ... 20 mA/HART
6
3
6
5