GOK LAG 2000 A Instructions De Montage Et D'utilisation page 42

Calculation equations for installation dimension a according to EN 13160-3
a =
min
a =
max
Tabelle 6:
Explanation of Figure 4 and the calculation equations according to EN 13160-3:
Symbol Unit
a [cm]
a [cm]
min
a
[cm]
max
D [cm]
ρ [kg/l]
[mbar]
p
o,1
[cm]
16,8
[cm]
w
[cm]
c
p [mbar]
s,2
• Diagram 1 can be used to determine the minimum installation dimension a
the density of the storage medium with the parameter tank diameter D or tank height L.
All above-ground and underground tanks according to DIN 6616, DIN 6618-3, DIN 6623-2,
DIN 6624-2, DIN 6608-2, DIN 6619-2 and according to EN 12285-1 and EN 12285-2 Typ D
only for Classes B and C. Assumed as: p
• Diagram 2 applies only for above-ground and underground tanks according to
EN 12285-1 and EN 12285-2 Type D in Class A.
Assumed as: p
s,2
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ρ
D x ( - 1) + p
Calculation equation [2] applies only with [3]
a ≥ w + 16.8
p – D – c
s,2
Explanation
Installation dimension
Minimum installation
dimension
Maximum permissible
installation dimension
Diameter for cylindrical tanks
or tank installation height for
vertical tanks
Density of the liquid storage
medium
Working pressure inside the
tank above the liquid storage
medium
Safety allowance
Possible groundwater or
backwater allowance above
top of tank
Distance between the bottom
of the tank and the level of the
liquid in the usable volume V
of the LDL tank
Maximum permissible
pressure in the monitoring
space
= 360mbar, w = 0, p
Leak detector type LAG 2000 A
+ 16.8
o,1
a
= 550mbar, w = 0, p
s,2
= 0.
o,1
Comment
Distance
Must not be less than this.
Must not be exceeded.
1kg/l ≤ ρ≤ 1.9kg/l
Excess pressure, see Table 5
Note: Where the pressure is purely
hydrostatic
p = 0
o,1
According to EN 13160-3.
Figure 5: 30.5cm – c = 16.8cm
Consider flooding!
Series LAG 2000
A: c = 13.7cm
Excess pressure, see Table 5
min
= 0.
o,1
[2]
[3]
[4]
in relation to