Gemu 554 - Control Pressure Characteristics and Valve Types

554
28 / 44
0
1
5
10
15 20 25
2
3
4
5
6
7
DN 20
DN 25
DN 15
Steuerdruck [bar]
Betriebsdruck [bar]
0
1
510
15
20
25
2
3
4
5
6
7
DN 40
DN 15
DN 20
DN 25
DN 32DN 50
Betriebsdruck [bar]
Steuerdruck [bar]
DN 10
0
1
510
15
20
25
2
3
4
5
6
7
DN 40
DN 65
DN 20
DN 25
DN 32
DN 50
DN 80
Steuerdruck [bar]
Betriebsdruck [bar]
0
1
246
810
2
3
4
5
6
7
DN 25
DN 50
DN 20
Betriebsdruck [bar]
Steuerdruck [bar]
DN 32
DN 15
DN 40
DN 10
Operating pressure / Control pressure characteristic - Actuator sizes 0, 1, 2, 3, 4
Actuator size 1
Normally open (NO) /
Double acting (DA)
Min. control pressure dependent
on operating pressure
(Flow direction: under the seat)
Actuator size 2
Normally open (NO) /
Double acting (DA)
Min. control pressure dependent
on operating pressure
(Flow direction: under the seat)
Actuator size 3
Normally closed (NC)
Min. control pressure dependent
on operating pressure
(Flow direction: over the seat)
Actuator size 4
Normally closed (NC)
Min. control pressure dependent
on operating pressure
(Flow direction: over the seat)
Actuator size 0
Normally open (NO) /
Double acting (DA)
Min. control pressure dependent
on operating pressure
(Flow direction: under the seat)
Control pressure [bar] Control pressure [bar]
Control pressure [bar]
Control pressure [bar]
Operating pressure [bar] Operating pressure [bar]
Operating pressure [bar]
Operating pressure [bar]
Actuator size 4L
Normally closed (NC)
Min. control pressure dependent on operating pressure
(Flow direction: over the seat)
0
1
246
8
10
2
3
4
5
6
7
DN 25
DN 65
DN 20
Betriebsdruck [bar]
Steuerdruck [bar]
DN 40
DN 15
DN 50
Control pressure [bar]
Operating pressure [bar]
Note:
Regulating needle: RAxxx - RCxxx (reduced valve seat)
Regulating cone: DN 15 - DN 50
Regulating cone
Control valve
Regulating needle
0
1
2
4
6
8
10
2
3
4
5
6
7
DN 20
DN 25
DN 15
(DN 10)
Steuerdruck [bar]
Betriebsdruck [bar]
DN 32
DN 40DN 50
Control pressure [bar]
Operating pressure [bar]