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Proportional Diaphragm Valve -NPV Series-

Features of Proportional Diaphragm Valve

         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 of Proportional Diaphragm Valve



Specifications of Proportional Diaphragm Valve

Model Number

NPV-4T1/8 (1/4)


N.C. (Normally Closed) Proportional type

Orifice Diameter

4 mm

Wetted Material

PTFE (Valve Body, Diaphragm)

Operating Pressure Range

0 100 kPa

Flow Control Range

0 30 l/min (ΔP=10 kPa, Air)

0 4 l/min (ΔP=100 kPa, Water)

Power Consumption

7 W (at 24 VDC)


For more videos, please visit our Product Videos Page.

Please check our solenoid proportional valve at the following link.

Solenoid proportional valve 

If you have any questions, please contact us. 



April 27, 2011 00:04 AM