Safety Chapter - ProMinent DHV-U Serie Manual De Instrucciones

2

Safety Chapter

Explanation of the safety information
The following signal words are used in these
operating instructions to identify different
severities of a hazard:
Signal Meaning
word
WARNI Denotes a possibly hazardous sit‐
NG uation. If this is disregarded, you
are in a life-threatening situation
and this can result in serious inju‐
ries.
CAU‐ Denotes a possibly hazardous sit‐
TION uation. If this is disregarded, it
could result in slight or minor inju‐
ries or material damage.
Warning signs denoting different types of
danger
The following warning signs are used in these
operating instructions to denote different types
of danger:
Warning signs
Intended use
The DHV-U back pressure valves are only
n
intended for use with liquids.
The DHV-U back pressure valves are used
n
to create a constant back pressure for pre‐
cise feed rates, for protection against over-
metering or to increase the metering preci‐
sion if the back pressure is fluctuating,
when there is a free outlet or when
metering in a vacuum.
Type of danger
Warning – danger
zone.
The DHV-U back pressure valves are
n
intended for use in conjunction with pulsa‐
tion dampers to create low-pulsation
metering.
Used as relief valves in the bypass they
n
limit the metering pump operating pres‐
sure.
All other uses or modifications are pro‐
n
hibited.
The back pressure valves are not safety
n
valves according to DIN EN ISO 4126-1.
The DHV-U back pressure valve is not to
n
be used as a completely leak-tight shut-off
device.
The back pressure valves are not are not
n
intended for use with gaseous media or
solids.
The back pressure valves are not to be
n
used with abrasive or crystallising media.
The back pressure valves must not come
n
into contact with media which corrode the
transporting media. This shall also apply to
cleaning media and fats. - see the ProMi‐
nent resistance list in the product cata‐
logue or at www.prominent.com.
The back pressure valves must not be
n
used outside the ambient and operating
conditions as specified in these operating
instructions – see e.g. P-T- chart in the
"Technical Data" chapter, ... .
The back pressure valves should only be
n
operated by trained and authorised per‐
sonnel.
You have a duty to observe the informa‐
n
tion contained in the operating instructions
during the different phases of the system's
service life.
Safety Chapter
41