Gestra Products Technical - Control And Power

Control Valves ZK
with Radial Stage Nozzle
Technical Data
K vs -values [m 3/h] (linear characteristics), design, pressure/temperature ratings
ZK 313
DN
25
50
65
80
100
125
150
200
250
300
350
400
∆ p 300 bar
1
1
1
1.5
1.5
1.5
2.3
2.3
2.3
3.6
3.6
3.6
5.5
5.5
5.5
Throttle variants ZK 313
Standard throttle ∆p max 300 bar
8
8
8
11
11
11
11
11
11
14.5
14.5
14.5
13
13
13
17
17
17
∆ p 370 bar
4.5
4.5
4.5
4.5
4.5
4.5
9.5
9.5
9.5
9.5
9.5
9.5
Straight-through / angle DN 25 – 65 Angle / Z pattern up to DN 80
p [bar]
750
600
450
300
150
1.7383
1.5415
1.4903
0
0 100 200 300 400 500 600 650
t [°C]
Special throttle ∆p max 370 bar
(only angle-type)
69
A4-A8