Solenoid Proportional Valve NPV Series0 pages
PROPORTIONAL VALVE
Proportional Diaphragm Valve
NPV Series
Features
Has a very high chemical resistance due to all PTFE wetted parts.
Flow controllable by changing the input voltage.
Has a comparatively large orifice diameter of 4mm, which can
cover a wide range of flows.
Flow Characteristics
Water at 100 kPa
4.5
4
30
3.5
25
Flow (l/min)
Flow (l/min)
Air at 10 kPa
35
3
2.5
20
15
2
10
1.5
Increasing voltage
Decreasing voltage
Increasing voltage
5
Decreasing voltage
1
0
0.5
10
12
14
16
18
20
22
24
Voltage (VDC)
* Volume flowing in 1 minute measured
by gravimetry
10
12
14
16
18
20
Voltage (VDC)
*Measured by a rotameter
2014.03
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24
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