Overview Of Nominal Size. Kvs Value, Actuator Size And Differential Pressure At Cone - ABB 23/26 Instructions De Service

5.2

Overview of nominal size. Kvs value, actuator size and differential pressure at cone

DN (mm) Stroke Actuator
(mm) size
∅ 270
25 20
320 cm²
∅ 270
32 20
320 cm²
∅ 270
40 20
320 cm²
∅ 270
50 20
320 cm²
∅ 270
65 30
320 cm²
∅ 400
720 cm²
∅ 270
80 30
320 cm²
∅ 400
720 cm²
∅ 270
100 30
320 cm²
∅ 400
720 cm²
∅ 400
125 60
720 cm²
GB 8
Differential pressure at cone (bar)
Air opens/spring force closes
No. of springs
3 3
Kvs Minimal supply air pressure (bar) for the positioner, max. 6 bar
2 2,5
1,0 25 –
1,6 25 –
2,5 25 –
4,0 25 –
7,0 25 –
4,0 25 –
7,0 25 –
11 22,6 –
7,0 25 –
11 22,6 –
18 11 –
11 22,6 –
18 11 –
26 7,6 –
18 – 20
26 – 15
43 – 8
18 20 –
26 20 –
43 20 –
26 – 15
43 – 8
68 – 4
26 20 –
43 20 –
68 13,3 –
43 – 8
68 – 4
100 – 2,5
43 20 –
68 13,3 –
100 9,2 –
100 9,2 –
150 5,6 –
260 3 –
Control Valves 23/26
6 6 12
3 4,5 4,5
25 – –
25 – –
25 – –
25 – –
25 – –
25 – –
25 – –
25 – –
25 – –
25 – –
25 – –
25 – –
25 – –
21,5 – –
– 20 –
– 20 –
– 20 –
20 – 20
20 – 20
20 – 20
– 20 –
– 20 –
– 11,6 –
20 – 20
20 – 20
20 – 20
– 20 –
– 11,6 –
– 8 –
20 – 20
20 – 20
20 – 20
10 – 10
10 – 10
7,8 – 10
Air closes/spring force opens
3 3 3
2 3 4,5
25 25 25
25 25 25
25 25 25
25 25 25
25 25 25
25 25 25
25 25 25
25 25 25
25 25 25
25 25 25
13,6 25 25
25 25 25
13,6 25 25
9,4 25 25
– 20 20
– 18,7 20
– 10,2 20
20 20 20
20 20 20
20 20 20
– 18,7 20
– 10,2 20
– 5,3 20
20 20 20
15,7 20 20
8,7 20 20
– 10,2 20
– 5,3 20
– 3,4 15
15,7 20 20
8,7 20 20
5,9 20 20
5,9 10 10
3,4 10 10
1,7 8,6 10
42/13 20 XB