Elis FLONET FN50 Series, Design, Assembly And Service Manual, Page: 9 / 32

ELIS PLZEŇ a. s.
Design, Assembly and Service Manual
Page 9 of 32
Electromagnetic flowmeter FLONET FN50xx.1
ELIS PLZEN a. s., Lucni 425/15, 301 00 Plzen, Czech Republic, Phone: +420/377 517 711, fax: +420/377 517 722 Es90716K
The basic parameters of flow meters for heat/cold meters are designed in compliance of standard EN1434
(OIML R 75).
Below is issued ratio of following flow rates:
q
s
= 2
q
p
Size DN
Overload
flow
q
s
[m3/h]
Permanent
flow
q
p
[m3/h]
Min. flow
q
i
[m3/h]
Ratio
qp/pi
15 6,5
3 0,0163
200
20 12
6 0,0300
25 18
9 0,0450
32 30 15 0,0750
40 45
23 0,1125
50 72
36 0,1800
65 150
75 0,3750
80 180 90 0,4500
100 280
140 0,70
125 430
215 1,08
150 650 325 1,6
200 1 150 575 2,9
250 1 800
900 4,5
300 2 520
1 260 6,30
350 3 500
1 750 9
400 4 500 2 250 11
500 7 200
3 600 18,0
600 10 000 5 000 25
700 14 000
7 000 35
800 18 000 9 000 45
Data in the table are valid for accuracy higher than ±2% in range q
min
x% ≤ q
i
≤ q
s
Legend:
q
s
= overload (maximum) flow rate of a measured liquid
q
p
= permanent (nominal) flow rate of a measured liquid
q
i
= min flow rate for an accuracy of measurement