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Critical flow control just got easier, more efficient and cheaper

08 February 2021

A new internal pinch-tube solenoid valve which offers reliability and an exceptionally low carry-over volume of just 3.7µL and low overall internal volume of just 11µL in critical flow applications has been introduced by The Lee Company.

The ground-breaking Xover™ solenoid valve is designed to switch quickly and efficiently between samples, reagents, cleaning solutions or calibrants, so is ideal for applications in flow cytometry, gene sequencing, in-vitro diagnostics, urinalysis and haematology instruments.

The Xover valve features a Y-shaped elastomer tube in a three-way configuration representing an innovative design which combines the flow path of a pinch valve with the versatility and maintenance-free performance of a chemically inert isolation valve. This means it’s easily flushed, ensures fast, efficient fluidic performance with lower power consumption (2.1W) and at a lower overall cost. 

The valve can be connected to ¼-28 flat bottom tubing assemblies or the ports can be configured to meet the specific requirements of the application. Also, there are mounting holes for easy integration and an electrical connector with secondary retention contribute toward ease-of-installation and improved system reliability. These benefits, along with their construction using durable, chemically inert wetted materials such as PEEK and FKM (treated) using the very latest manufacturing techniques, all help to ensure long and reliable maintenance-free operation. 

Industries and applications where the Xover valve will be appreciated include scientific instrumentation, drug discovery, analytical chemistry, medical, pharmaceutical and also OEM/engineering fluidic applications where low internal and zero-dead volume and inert materials are critical to system integrity and performance.


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