Normally Closed (NC) Valve - fully PEEK (Series09)
Normally-closed, 2/2-way, monostable miniature valve for liquids and gases (media-separated). Can be sterilized by autoclaving.
Housing material: PEEK
Membrane material: Silicone
Plus shipping costs
Delivery time is 14 days on availability.
Please contact us for orders with a quantity above 50 pieces: firstname.lastname@example.org
Price breaks are available at 10, 50 and 100 pieces.
Please contact us for alternative wetted materials and further price breaks.
Features of the normally-closed microvalve
The Series09 normally-closed valve with a PEEK lid and PEEK fluidic part has many features, including:
easy connection with flange-mount
low internal volume
low power consumption
sterilizable by autoclaving
low self-heating during operation
Low internal volume
Reagents can be saved due to a low
Silent switching makes the valves also suitable for near-patient applications.
Low power consumption
With the low power consumption,
battery operation is possible.
How does the normally-closed valve work?
Inside the normally-closed valve, a shape-memory alloy actuator switches the valve open by pressing a spring element to the top. A small ball closes the opening of the valve. By pressing the spring element to the top, the ball is released from the opening allowing fluid to flow through the valve.
More information on the performance of the Series09 NC valve can be found in the datasheet.
If you want to learn more about our shape memory alloy actuators and valve technology, reach out to us and we will schedule a meeting.
A fluidic adapter for integrating the valve
To integrate the valve in a system, two screw holes and a fluidic in- and outlet are required.
If you don't want to design the flange-mount connection and want to start testing the valve immediately, we recommend using one of our fluidic adapters.
You can either connect LUER fittings or tubes directly.
A valve controller
The valves need to be current-controlled. That is why we recommend using our electronic control units for testing.
Here we offer two types of electronic control units:
a programmable electronic control unit with GUI for up to two NC valves
If you decide to work with memetis valves in your application, we are happy to support you with implementing the valve control in your own electronics.
Here's a bundle deal: Two valves with all the accessories we recommend.
How to clean the normally-closed valve:
Among plastics, the high-performance plastic PEEK is particularly known for its high heat resistance and mechanical strength. It also has good chemical and radiation resistance and is used primarily where stability is required.
PEEK is used where conventional materials reach their limits. Therefore, our autoclavable microvalve is made entirely of PEEK and thereby robust.
The valve can be autoclaved for 20 min at 134 °C in an autoclavation device like e.g. the Laboklav from SHP Steriltechnik AG.
You would like to mix two liquids? Or distribute one liquid into two reservoirs?
Use our two valve arrays to mix or distribute fluids - just screw the valves to the adapter. In this way, two 2/2-way valves can be used to achieve a 3/2-way functionality.
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