Gemu 554 - Pressure-Temperature Correlations and Characteristics; Pressure Characteristic Graphs

27 / 44
554
Kv values [m³/h]
DN 6 DN 8 DN 10 DN 15 DN 20 DN 25 DN 32 DN 40 DN 50 DN 65 DN 80
Butt weld spigots,
DIN 11850
1.61.82.42.4-------
Butt weld spigots,
DIN 11866
- 2.2 4.5 5.5 11.7 20.5 33.0 51.0 61.0 110.0 117.0
Threaded sockets,
DIN ISO 228
- - 4.5 5.4 10.0 15.2 23.0 41.0 68.0 95.0 130.0
Kv values determined acc. to DIN EN 60534. The Kv value data refers to control function 1 (NC) and the largest actuator for each nominal size.
The Kv values for other product configurations (e.g. other connections or body materials) may differ.
Operating pressure / Control pressure characteristic - Actuator sizes 0K, 1K, 2K, 3L, 4L
Actuator size 1K
Normally open (NO) / Double acting (DA)
Min. control pressure dependent on operating pressure
(Flow direction: under the seat)
Actuator size 0K
Normally open (NO) / Double acting (DA)
Min. control pressure dependent on operating pressure
(Flow direction: under the seat)
1
510
15
20
25
2
3
4
5
6
7
DN 40
DN 25
DN 50
Betriebsdruck [bar]
Steuerdruck [bar]
DN 65
Control pressure [bar]
Operating pressure [bar]
0
1
5
10
15 20 25
2
3
4
5
6
7
DN 20
DN 25
DN 15
Steuerdruck [bar]
Betriebsdruck [bar]
Control pressure [bar]
Operating pressure [bar]
Actuator size 2K
Normally open (NO) / Double acting (DA)
Min. control pressure dependent on operating pressure
(Flow direction: under the seat)
Actuator size 3L
Normally closed (NC)
Min. control pressure dependent on operating pressure
(Flow direction: over the seat)
0
1
2
4
6
8
10
2
3
4
5
6
7
DN 20
DN 25
DN 15
Steuerdruck [bar]
Betriebsdruck [bar]
Control pressure [bar]
Operating pressure [bar]
0
1
510
15
20
25
2
3
4
5
6
7
DN 50
DN 40
DN 65
Steuerdruck [bar]
Betriebsdruck [bar]
Control pressure [bar]
Operating pressure [bar]
Pressure / temperature correlation for angle seat globe valve bodies
Connection code
Material
code
Max. allowable operating pressures in bar at temperature °C*
RT 100 150 200 250 300
1, 3C, 3D, 9 (up to DN 50) 9 16.0 16.0 16.0 13.5 - -
1, 9 (from DN 65) 9 10.0 10.0 10.0 8.5 - -
1, 9, 17, 37, 60, 63, 3C, 3D 37 25.0 23,8 21,4 18,9 17,5 16,1
0, 16, 17, 37, 59, 60, 65 34 25.0 24,5 22,4 20,3 18,2 16,1
13 (DN 15 - DN 50) 34 25.0 23.6 21.5 19.8 18.6 17.2
80, 88 (DN 15 - DN 40) 34 25.0 21.2 19.3** - - -
80, 88 (DN 50 - DN 80) 34 16.0 16.0 16.0** - - -
82 (DN 15 - DN 32) 34 25.0 21.2 19.3** - - -
82 (DN 40 - DN 65) 34 16.0 16.0 16.0** - - -
86 (DN 15 - DN 40) 34 25.0 21.2 19.3** - - -
86 (DN 50 - DN 65) 34 16.0 16.0 16.0** - - -
47 (DN 15 - DN 50) 34 15.9 13.3 12.0 11.1 10.2 9.7
0, 16, 17, 59, 60 40 25.0 20.6 18.7 17.1 15.8 14.8
17, 59, 60 C2 25.0 21.2 19.3 17.9 16.8 15.9
* The valves can be used down to -10 °C ** max. temperature 140 °C RT = Room Temperature
All pressures are gauge pressures.