Frese OPTIMA Low Flow DN50
Flow
l/s
m
/h
3
4.17
15.0
2.78
10.0
1.39
5.0
0
0
0
1
Frese OPTIMA Low Flow DN65
Flow
l/s
m
3
/h
6.94
25.0
5.56
20.0
4.17
15.0
2.78
10.0
1.39
5.0
0
0
0
1
Frese OPTIMA Low Flow DN80
Flow
l/s
m
3
/h
9.72
35.0
8.33
30.0
6.94
25.0
5.56
20.0
4.17
15.0
2.78
10.0
1.39
5.0
0
0
0
1
min. Δp kPa
20
12
8
6.5
2
3
4
Pre-set
min. Δp kPa
25
20
18
15
2
3
4
Pre-set
min. Δp kPa
25
20
18
16
2
3
4
Pre-set
www.frese.eu
- 2 -
Frese OPTIMA High Flow DN50
Flow
l/s
m
/h
3
6.67
24.0
6.11
22.0
5.56
20.0
5.00
18.0
4.44
16.0
3.89
14.0
3.33
12.0
2.78
10.0
2.22
8.0
1.67
6.0
1.11
4.0
0.83
2.0
0
0
0
1
Frese OPTIMA High Flow DN65
Flow
l/s
m
3
/h
9.72
35.0
8.33
30.0
6.94
25.0
5.56
20.0
4.17
15.0
2.78
10.0
1.39
5.0
0
0
0
1
Frese OPTIMA High Flow DN80
Flow
l/s
m
3
/h
12.50
45.0
11.11
40.0
9.72
35.0
8.33
30.0
6.94
25.0
5.56
20.0
4.17
15.0
2.78
10.0
1.39
5.0
0
0
0
1
min. Δp kPa
50
30
21
19
2
3
4
Pre-set
min. Δp kPa
55
35
32
30
2
3
4
Pre-set
min. Δp kPa
50
30
25
23
2
3
4
Pre-set