DB-300-9 7
3.1 Special notes for CO
2
liquid receivers
• Last letter K, PS = 45 bar
• For the usual application of the vessels as liquid re-
ceivers, special corrosion protection measures and
additional insulation are required due to low operat-
ing temperatures.
• The receivers may only be operated in combination
with a pressure relief valve (max. 45 bar). Select and
arrange valves according to the manufacturer's in-
structions.
DANGER
CO
2
is an odourless and colourless gas and
cannot be perceived directly in case of emis-
sion!
Lost of consciousness and danger of suffocation
by inhaling higher concentrations!
Avoid CO
2
emission and uncontrolled deflating,
particularly in closed rooms!
Aerate closed machine rooms!
Make sure that the safety regulations in accord-
ance with EN378 are complied with!
3.2 System registration
Liquid receivers and oil separators are pressure equip-
ment according to the EU Pressure Equipment Direct-
ive 2014/68/EU. For this reason the entire system must
be registered with the supervisory authority and duly
approved in accordance with the local regulations.
The category for the conformity assessment of each
pressure vessel is listed in the following table.
For the inspection before commissioning and recurring
inspections, national regulations must be considered
(for example the Industrial Safety Regulation BetrSichV
in Germany).
In non-EU countries, local regulations must be com-
plied with.
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