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ÄKTA PV-908 & INV-907 Motorized Rotary Valves and M-925 Dynamic Mixer for Chromatography Systems

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Manufactured:
Please ask
Location:
Gräfelfing, Bavaria, Germany
Specification:
refurbished
All 5 specifications
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Specifications 5

Brands
Cytiva
New/Used
Used
Manufactured:
Please ask
Location:
Gräfelfing, Bavaria, Germany
Specification:
refurbished

Product description

Motorized 7- and 8-way rotary valves and dynamic mixer for ÄKTA chromatography with PEEK wetted parts, 100 ml/min flow rate.

The ÄKTA PV-908 and INV-907 are motorized rotary valves designed for high-precision fluid control in chromatography workflows, integral to ÄKTA design™ chromatography systems commonly employed in bioprocessing and molecular diagnostics. The PV-908 features an 8-way configuration, while the INV-907 offers a 7-way design. Both valves operate powered by the ÄKTA™ P-900 series pumps and are precisely managed via the UNICORITM control system.

Key technical details:

  • Completely swept flow path ensures minimal solvent or sample memory effect, critical for reproducible chromatographic separations in synthetic biology and biopharmaceutical production pipelines.
  • Maximum flow rate: up to 100 ml/min, supporting medium-scale bioprocessing and liquid chromatography applications.
  • Wetted parts: made from PEEK plastic, providing excellent chemical compatibility and durability for sensitive molecular biology and biotechnology processes.

The M-925 dynamic mixer complements these valves by delivering efficient 2-step mixing through an interchangeable single chamber design. It supports flow rates up to 100 ml/min and offers variable chamber volumes of 90 µl, 0.2, 0.6, 2, 5, or 12 ml, allowing customization to application-specific mixing requirements. Widely adopted in ÄKTA™ design and Ettan™ liquid chromatography systems, the M-925 mixer is essential for precise buffer or sample mixing in complex workflows such as gene editing protocols and biomanufacturing analytics.

This valve and mixer assembly is engineered specifically for chromatography system integration, providing consistent performance crucial for live-cell imaging sample prep, fluorescence analysis, and advanced molecular diagnostics, widely utilized in biotechnology research and clinical diagnostic laboratories.

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Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Yes. Every verified supplier states which service partners cover the instrument, and we list that alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

Does laboratory equipment ship internationally?

We ship to 38 countries. Crating and customs handling are quoted with the instrument.

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Last updated 4 September 2026