Pressure Loss, Weight And Dimension Of Package - Landis+Gyr ULTRAHEAT T450 Technical Description

Pressure loss, weight and dimension of package

15 Pressure loss, weight and dimension of package
Nominal flow rate qp
Overall length
Connection
Maximum flow rate q
Minimum flow rate q
Threshold (variable)
Pressure loss at q
Kv factor at Δp 1bar
Graph in diagram
Weight
Dimension pack-
age
The indicated pressure loss of a flow sensor is at the nominal flowrate qp.
Using the Kv factor, which defines the flow rate at a pressure loss of 1 bar, the pressure loss at any
given flow rate can be calculated:
∆�� = 1������ × (
0.6
110
G¾
1.2
s
6
i
2.4
150
p
1.5
A
0.8
length 15,5
width 13,5
height 12,0
2
��
)
��
��
This value can also be determined using the diagram.
34/36
0.6 1.5
190 110
G1 G¾
1.2 3
6 15
2.4 6
150 170
1.5 3.6
A B
1.1 0.8
22,5 15,5
18,5 13,5
11,3 12,0
∆�� = ���������������� �������� ���� ������
�� = ���������������� ���� ��³/ℎ
�� = �� − ������������ ���� ∆�� = 1 ������
�� ��
1.5 1.5 2.5
130 190 130
G1 G1 G1
3 3 5
15 15 25
6 6 10
160 160 175
3.8 3.8 6.0
C C E
0.8 1.1 0.8
15.5 22.5 15.5
13.5 18.5 13.5
12.0 11.3 12.0
2.5 [m³/h]
190
[mm]
G1
5 [m³/h]
25 [l/h]
10 [l/h]
210 [mbar]
5.3 [m³/h]
D
1.1 [kg]
[mm]
22.5
[mm]
18.5
[mm]
11.3