Leak detector type LAG 2000 A
14 / 28
part no. 15 071 53 e
Calculation equations for installation dimension
a
according to EN 13160-3
a
min
=
D
x (
ρ
- 1) +
p
o,1
+ 16
.
8
[2]
Calculation equation [2] applies only with [3]
a
≥
w + 16
.
8
[3]
a
max
=
p
s,2
–
D
–
c
[4]
Tabelle 6:
Legende zu
Bild 4
und zu den Berechnungsgleichungen nach EN 13160-3:
Symbol
Unit
Explanation
Comment
a
[cm]
Installation dimension
Distance
a
min
[cm]
Minimum installation
dimension
Must not be less than this.
a
max
[cm]
Maximum permissible
installation dimension
Must not be exceeded.
D
[cm]
Diameter for cylindrical tanks
or tank installation height for
vertical tanks
ρ
[kg/l]
Density of the liquid storage
medium
1kg/l ≤ ρ≤ 1.9kg/l
p
o,1
[mbar]
Working pressure inside the
tank above the liquid storage
medium
Excess pressure, see
Table 5
Note: Where the pressure is purely
hydrostatic
p
o,1
= 0
16,8
[cm]
Safety allowance
According to EN 13160-3.
Figure 5: 30.5cm – c = 16
.
8cm
w
[cm]
Possible groundwater or
backwater allowance above
top of tank
Consider flooding!
c
[cm]
Distance between the bottom
of the tank and the level of the
liquid in the usable volume V
a
of the LDL tank
Series LAG 2000
A:
c
= 13
.
7cm
p
s,2
[mbar]
Maximum permissible
pressure in the monitoring
space
Excess pressure, see
Table 5
•
Diagram 1
can be used to determine the minimum installation dimension
a
min
in relation to
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
s,2
= 550mbar,
w
= 0,
p
o,1
= 0.
•
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
= 360mbar,
w
= 0,
p
o,1
= 0.
