PKP DV08, Инструкция по эксплуатации, Страница: 3 / 13

Devices of the DV08 series may only be installed by suitable trained specialist personnel
who are able to install the devices properly. Qualified personnel are those persons who
are familiar with the assembly, installation and commissioning of devices of this type and
who are approbriately qualified.
Inward Monitoring
Please check directly after delivery the device for any transport damages and deficiencies.
Additional with reference to the accompanying delivery note the number of parts must be
checked.
Claims for replacement or goods which relate to transport damage can only be considered
valid if the delivery company is notified without delay.
Functional description
The flow meter DV08 is used for quantitative flow measurement of viscous liquids. The
liquid flow causes two screw spindles to rotate in opposite directions. A magnetic pre-ten -
sioned hall sensor located outside the flow chamber detects the screw flanks and gener-
ates a flow-proportional frequency signal. Two pulses corresponds to one revolution of the
screws and thus to a certain measuring volume. There are no magnets in the flow cham-
ber.
Installation and commissioning
The Dv08 flow meters are in-line devices with either an aluminium adapter with female
thread or a SAE flange with female thread on the process side. No special inlet or outlet
sections are required.
•
Check that the maximum pressures and temperatures specified for the devices are
not exceeded by the pressures and temperatures in the process and that the
materials used in the device for the parts in contact with the product are not
attacked by the medium.
•
Make sure that the pipes have been cleaned and flushed prior to installation and
that there are no foreign objects in the pipe.
•
Pressure surges caused by sudden changes in flow may damage the unit. Care
must therefore be taken to open valves slowly to avoid pressure surges.
DV08 Instruction manual 04/2019 page 3