Layout and Function
3
Layout and Function
3.1
Marking
3.1.1
Name plate
The name plate is found on the packing box.
1
2
3
4
PN/DN
10/65
Range
25-250 l/min Wasser
FA16-61906
Type
DFM 350
Id. No.
2215870030
Materials
PVC-U
EPDM
PTFE
5
DFM350 PVC EDPM DN65 PVC
Fig. 1
Name plate (example)
1
Type
2
ID number
3
Measurement range
4
Nominal pressure [bar] / Nominal diameter [mm]
5
Materials (body, ball, other seals/gaskets)
3.2
Description
The device measures the
fl
ow of a liquid or gaseous medium.
The medium
fl
ows through the
fl
owmeter vertically from bot-
tom to top. The
fl
oat is lifted by the
fl
ow forces. On the upper
reading edge (largest diameter), the
fl
ow quantity (in volume or
mass) can be read on the measuring tube scale.
The displayed value only applies for the medium and medium
temperature for which the device has been calibrated.
3.3
Layout
1
2
4
5
6
3
3
3
1
2
4
5
6
Fig. 2
Layout
1
Union nut
2
Union end
3
Union end (stop)
4
Float
5
Setpoint indicator
6
Measuring tube
300 458
BA-2016.08.09 EN
DFM 165 – 350
5
