8
Dirt filter, Safety filter
Filters should be fitted to prevent any damage to the flow meter from impurities in the oil.
Maximum mesh width for filters
Nominal size
Flow meter type
VZO
VZOA
DN 15
0.250 mm
0.100 mm
DN 20
0.400 mm
0.100 mm
DN 25
0.400 mm
0.250 mm
DN 40
0.600 mm
0.250 mm
DN 50
0.600 mm
0.250 mm
NOTICE
The filter mounted in the flow meter inlet is only a safety filter and can not act as
a dirt filter.
Risk of malfunction or damage.
If the medium contains dirt always have a dirt filter installed upstream of the flow
meter.
Heat insulation
The display unit shall not be insulated. This could cause its permitted temperature range to be
exceeded.
The permitted temperature ranges for the flow meter must be observed!
Summary of Contents for CONTOIL VZF II
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