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CALCULATION OPTION FOR THE ADJUSTING DIMENSION X
a = dimension a= H - L
b = tank wall thickness
1. Maximum volumetric flow rate of the booster pump of the road tanker
2. Switching and closing delays of the booster pump of the road tanker
Level sensor according to measurement / datasheet
Switch / relay / or similar
Booster pump, flow time
Shut-off fitting:
• mechanical, manually operated time alarm to
• electrically, pneumatically, or hydraulically operated:
3. Overrun volumeV
Overrun volume from delays:
V
= Q
• (t
1
max
ges
Overrun volume from filler line:
V
= (π / 4) • D
2
D
= internal pipe diameter in mm
i
L
= length of the filler line in m
FL
V
= V
+ V
4
1
2
4. Level L
1
Volume at admissible level
Overrun volume
Volume at level L
Then, the volume at level V
calculation, in the level L
The adjusting dimension X must be determined taking into account* the tank shape:
Installation on tank ceiling:
* if applicable Take into account ADJUSTING DIMENSION X AND SUBSEQUENT LEAK
PROTECTION LINING
Artikel-Nr. 15 707 50
- b
1
4
/ 60)
² • L
/ 1000
i
FL
V
= V
- V
1
5
3
value results, in combination with the calibration chart or by
5
.
1
X = H - L
H = height or diameter of the tank
k
= height bushing or threaded flange
closing start + closing time:
Total time (t
4
- b
1
1)
t
+ t
= 3 s
1
2
closing time:
= 3s + t
+ t
):
ges
3
4
BC-2
Q
l/min
max
Time
1)
t
s
1
1)
t
s
2
t
s
3
s
t
4
s
t
s
ges
V
1
L
V
L
2
V
L
4
V
L
3
V
L
4
V
L
5
=
mm
27 / 133
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