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Normally Closed 2/2 Microvalves

Memetis Normally Closed microvalves are designed for microfluidics: ultra-compact (total footprint of 20 mm) with an internal volume of less than 6.5 µL, they can easily be integrated into your lab-on-chip.
The valves are either controllable with your own controller or with an electrical control unit.
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General

Memetis miniature valves are based on a shape memory alloy in an ultra-compact housing, allowing completely silent operation in various environments, from microfluidic chips to incubators.

  • Normally closed
  • PEEK housing
  • Media-separated valve to avoid cross-contaminations
  • Very low internal volume (< 6.5 µL)
  • Ultra-compact, reusable, and biocompatible: ideal for on-chip integration
  • Noiseless system
  • Easy to use and easy to install on your microfluidic platform
  • Sterilizable by autoclaving
  • The slow switching process makes it particularly suitable for applications that react sensitively to fast flow movements.

Tip: Use the Memetis Fluidic Adapter for a convenient connection to your microfluidic system without further customization! The Electrical Control Unit is also available to control up to 2 valves easily.

Content

1x NC 2/2 valve in PEEK housing

Specifications

Valve Type

Classic

Negative Pressure

Functionality

Normally closed (NC)

Dimensions

20 x 5 x 8 mm

Weight

0.8 g

Content

1x 2/2 miniature valve

1x connection cable

Nominal orifice DN

0.8 mm

Internal volume

< 6.5 µL

Min. input pressure

0 bar

-0.7 bar

Max. input pressure

3 bar

2 bar

Max. output pressure

2 bar

2 bar

Housing material

PEEK

Sealing material (inside the valve)

Silicone

O-rings (outer interface)

Silicone

Autoclavable

Yes (tested at 134 °C and 2 bars)

Operating temperature

10 - 55 °C

10 - 50 °C

Cycle lifetime

30 x 106 cycles

30 x 106 cycles

Fluidic connection

Flange mount (2x M1.6 screws), silicone o-rings included

Leakage rate

< 1 x 10-3 (mbar x l)/s

Electrical connection

Pin header (2.54 mm pitch)

Current control

500 mA

Power consumption

≤ 0.25 W

Switching time

Opening: 0.05 s

Closing: 0.16 s

Kvalue

0.005 m3/h

0.0045 m3/h

Air flow rate @ Δp 1 bar

3000 mL/min

2800 ml/min

Water flow rate @ Δp 1 bar

90 mL/min

85 ml/min


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Darwin Microfluidics being based in France, ships orders under Delivered At Place (DAP) incoterms. This means that for customers outside the European Union (EU), you are responsible for any applicable customs fees, duties, and taxes in addition to the shipping costs. These charges are determined by your local customs authority and must be paid by you upon the arrival of the shipment in your country.

We recommend contacting your local customs office for detailed information on these charges if you're ordering from outside the EU, as they can vary depending on the destination and the value of your order. Please note that these additional costs are not included in the shipping fees charged by Darwin Microfluidics.

If you've received your order from Darwin Microfluidics and found that a product is defective or missing, please follow these steps to resolve the issue:

Report immediately: Contact our customer service team as soon as possible. Reporting the issue promptly helps us address your concern more efficiently.

Provide details: When you contact us, please provide your order number, the name the order was placed under, and a detailed description of the issue. For defective products, include clear photos or a video that shows the defect.

Review: Our team will review your claim to determine the best course of action. We may ask for additional information or details about the problem.

Resolution: Depending on the situation, we may send a replacement for the defective or missing item, provide a refund, or offer another satisfactory resolution. Our goal is to ensure you are completely satisfied with your purchase.

Follow-up: We will keep you updated throughout the process and confirm when the issue has been resolved to your satisfaction.

We apologize for any inconvenience caused by a defective or missing item and are committed to resolving your issue as quickly and smoothly as possible.

At Darwin Microfluidics, our goal is to offer the most competitive prices directly as our list price, ensuring that all our customers receive great value without needing to navigate complex discount structures. Here’s a detailed look at our discount policy:

Competitive list prices: We work hard to ensure our list prices are among the most competitive in the market. This approach allows us to offer fair pricing to all our customers from the start, eliminating the need for frequent discounts.

Quantity-based discounts: For certain products, we offer quantity-based discounts directly on the product pages. These discounts are automatically applied based on the quantity of the product you purchase, providing savings for bulk purchases without the need for special codes or negotiations.

Bulk orders: While we strive to offer the best prices upfront, we understand that customers making large-scale purchases may have special considerations. In such cases, we invite you to discuss your needs with our sales team. Depending on the size and nature of your order, we may be able to offer tailored discounts or pricing adjustments.

We believe in transparency and simplicity in pricing, allowing you to make your purchases with confidence, knowing you're receiving a fair deal without the hassle of negotiating discounts. If you have any questions about pricing or discounts for bulk orders, please don't hesitate to reach out to our sales team for personalized assistance.

Please follow our returns & refund page.

Since Darwin Microfluidics sells exclusively to companies and institutions and is based in France, the VAT treatment for your orders depends on the location of your company or institution:

Within the EU (excluding France): For customers in other EU countries, the reverse charge mechanism applies. This means that VAT is not charged by us at the point of sale. Instead, it is your responsibility to account for the VAT at the standard rate applicable in your country under the reverse charge procedure. This process helps simplify cross-border transactions within the EU.

In France: For customers located in France, standard French VAT rates apply to all purchases. As a France-based company, we are required to charge VAT on sales to other French companies and institutions, which you can then reclaim according to local VAT procedures if applicable.

Outside the EU: For customers outside the European Union, sales are not subject to VAT by us. However, you may be subject to import duties, taxes, and charges that are not included in the item price or shipping cost. These charges are the buyer's responsibility and vary by country. We advise checking with your local customs office for more information.

Please ensure your VAT identification number is provided during the ordering process for EU transactions to qualify for the reverse charge mechanism. If you have any questions regarding VAT charges or need further assistance with VAT-related issues, please contact our customer service team.

We are unable to provide specific estimates for customs fees, duties, or taxes associated with your order. These charges are determined by the customs authority in your country and can vary based on a variety of factors, including the type of items purchased, their value, and the country to which they are being shipped.

We recommend contacting your local customs office directly to get the most accurate and up-to-date information regarding potential customs charges for your order. They can provide you with detailed guidelines on the fees you might expect to pay based on the products you're importing from us.

Please remember, these charges are the responsibility of the recipient and are not included in the shipping costs paid to Darwin Microfluidics.

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Normally Closed 2/2 Microvalves
Normally Closed 2/2 Microvalves
SKU: MM-MVL-22-NC-08-14P-PEEK-SIL
Classic
99.00€
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Normally Closed 2/2 Microvalves
Normally Closed 2/2 Microvalves
SKU: MM-MVL-22-NC-08-03P-PEEK-SIL
Negative Pressure
99.00€
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Available immediately
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