GOK LAG 2000 A Instructions De Montage Et D'utilisation page 41

Tabelle 5: Double-walled tanks and information about working and test pressures
Tank acc. to construction
standard
DIN 6608-2
DIN 6616
DIN 6618-3
DIN 6619-2
DIN 6623-2
DIN 6624-2
EN 12285-1 Class A
EN 12285-2
Class B, C
Tank type D
none
8
According to VdTÜV fact sheet 904, issue 03.2001, because DIN standards make no
)
reference
to ps,2
9)
Assumed as p
s,2
Assumed: All pressures are excess pressures
10)
Minimum test pressure acc. EN 13160-7
Installation dimension a for the LDL tank in the scope covered by EN 13160-3
• The installation dimension a is the distance between the top of the fuel tank and the
bottom of the LDL tank. The minimum installation dimension a
according to calculation equations [2] and [3] and must be complied with. The
installation dimension a
to calculation equation [4] and be complied with.
• The following applies: a
• Distance between the check valve
Figure 4: Installation dimensions for the LDL tank, for explanations see Table 6
The arrangement of the LDL tank
above-ground and underground tanks
is shown schematically in Fig.4
Note:
In Germany, installation of the
LAG 2000 A for underground tanks is
possible only within the scope of
replacing leak detectors.
Tank
Working
pressure p
500mbar
= p / 1.1,because EN standards make no reference to p
t,2
may not be exceeded and must be determined according
max
≤ a ≤ a
min
for
Leak detector type LAG 2000 A
Test pressure
p
o,1 t,2
600mbar
400mbar
600mbar
10)
≥ 600mbar
[1].
max
and the bottom of the LDL tank: ≥ 10 cm.
Monitoring space
Maximum permissible
pressure p
To year of manufacture 1975:
8)
500mbar
To year of manufacture 1976:
8)
550mbar
360mbar
550mbar
p p / 1.1
s,2= t,2
s,2
is to be determined
min
s,2
9)
9)
8)
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