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MV-2 Technical Specifications

Product Information link to Product Information section

Overall dimensions
4.5 x 7.0 x 1.5 mm
Body material
PMMA, PC, PS, or COP
Wetted material
SEBS elastomer
Default position
Normally open
Total internal volume *
1.5 µL
Actuation displacement volume
< 1.0 µL
Actuation method
Externally applied air pressure
Actuation pressure
250 mbar for liquid pressures up to 200 mbar
500 mbar for liquid pressures up to 400 mbar
1000 mbar for liquid pressures up to 600 mbar
Compatible media
Aqueous solutions, most polar organic solvents, acids and bases, fluorinated oils and surfactants
Device assembly method
Laser welded

* Reported internal volume includes all wetted features including the fluidic inlet and outlet

Performance Specifications link to Performance Specifications section

Response time **
< 80 ms
Maximum compatible particle size
20 µm
Maximum operating temperature
45 °C
Expected lifetime
> 1 x 106 cycles

** Response time may vary based on the solenoid valve, air pressure source, and actuation pressure used

Product Dimensions link to Product Dimensions section

Dimensions in millimeters

Orthographic view of the MV-2 showing a rectangular cuboid with rounded corners.
Top view of the MV-2 showing a width of 4.40 millimeters and a height of 6.90 millimeters. 4.40 6.90
Top
Side view of the MV-2 showing a thickness of 1.45 millimeters. 1.45
Side
Bottom view of the MV-2 showing three holes labeled “in,” “out,” and “air” respectively. “In” is 2.20 millimeters from the right edge and 3.05 millimeters from the top edge. “Out” is 2.20 millimeters from the right edge and 1.75 millimeters below “in.” “Air” is 1.4 millimeters to the right of “in” and 2.20 millimeters below “in.” 1.75 2.20 3.05 1.40 2.20 IN OUT AIR
Bottom

Opening Response link to Opening Response section

With 250 mbar air pressure.

  • 100 mbar liquid pressure

  • 200 mbar liquid pressure

Flowrate (μL/min)

-0.25

0.00

0.25

0.50

0.75

0

500

1000

1500

2000

2500

Line chart showing flow rate in microliters per minute over time in seconds when opening the MV-2. A teal line shows the data for 200 millibar fluid pressure, showing the flow rate peaking to above 1500 microliters per minute when the valve is opened and quickly settling to a steady 690 microliters per minute. A blue line shows the data for 100 millibar fluid pressure, showing the flow rate peaking to above 500 microliters per minute when the valve is opened and quickly settling to a steady 450 microliters per minute.

Time (s)

Closing Response link to Closing Response section

With 250 mbar air pressure.

  • 100 mbar liquid pressure

  • 200 mbar liquid pressure

Flowrate (μL/min)

-0.25

0.00

0.25

0.50

0.75

0

250

500

750

1000

Line chart showing flow rate in microliters-per-minute over time in seconds when closing the MV-2. A teal line shows the data for 200 millibar fluid pressure, showing the flow rate plummeting from 690 microliters per minute to 0 microliters per minute when the valve is closed. A blue line shows the data for 100 millibar fluid pressure, showing the flow rate plummeting from 350 microliters per minute to 0 microliters per minute when the valve is closed.

Time (s)

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