Azbil MQV9020 - X84; Relationship between Differential Pressure and Flow Rate (for Hydrogen)

7-10
Chapter 7. SPECIFICATIONS
 Relationship between differential pressure and flow rate (For Hydrogen)
Condition : the valve is fully open in air.
z MQV9020/9050/9500/0005
Dierential pressure (kPa)
MQV9500MQV9020/9050
Flow rate [L/min(standard)]
0 5 10 15 20 25 30
0.6
0.5
0.4
0.3
0.2
0.1
0
(1)
(1)
(2)
(2)
(3)
(3)
(4)
(4)
Dierential pressure (kPa)
MQV0005
Flow rate [L/min(standard)]
0 5 10 15 20 25 30
(1)
(2)
(3)
(4)
6.0
5.0
4.0
3.0
2.0
1.0
0.0
100
80
60
40
20
0
0
6 8 1210
42
Dierential pressure (kPa)
Flow rate [L/min(standard)]
z MQV0010/0050/0200
Dierential pressure (kPa)
MQV0050
Flow rate [L/min(standard)]
0 5 10 15 20 25 30
60
50
40
30
20
10
0
(1)
(2)
(3)
(4)
Dierential pressure (kPa)
MQV0200
Flow rate [L/min(standard)]
0 20 40 60 80 100
240
200
160
120
80
40
0
(1)
(2)
(3)
(4)
Dierential pressure (kPa)
MQV0010
Flow rate [L/min(standard)]
0 20 60 80 100 12040
(1)
(2)
(3)
(4)
12
10
8
6
4
2
0
Outlet pressure condition
150kPa(gauge)
50kPa(gauge)
0kPa(gauge)
-50kPa(gauge)
(1)
(2)
(3)
(4)