Isolation solenoid valve uses flipper technology
Isolation solenoid valve uses flipper technology
Measurement and control technology company Brkert believes that its Type 6650 3/2 isolation solenoid valve, which uses flipper technology, sets a new benchmark for miniature solenoid valves used in clinical, life science, analytical and fluid- handling equipment.
Brkert recently redeveloped the flip- per technology, which eliminates the waste of reagents, prevents cross contami- nation and increases process safety. The flushing characteristics of the second- generation flipper solenoid valves are related to the solenoid valve's internal volume, particularly its internal design.
The internal volume of the Type 6650 3/2 flipper isolation solenoid valve is two times smaller than the Brkert Type 0127 3/2 rocker solenoid valve's and has short, reliable response times with high repeatability and excellent flushing characteristics, the company reports.
Further, the company says that the solenoid valves, which are suitable for use on vacuum applications, with pressures of up to 7 bar, provide medium isolation for aggressive fluids. Brkert also adds that the direct- acting Type 6650 3/2, at 4,5 mm wide, is a significant step towards miniaturisation, while outperforming comparable 10-mm and 16-mm designs.
The Type 6650 3/2 provides a solution for manufacturers with solenoid valve applications requiring fast response times, high repro- ducibility, zero pumping and excellent flushing characteristics.
The company reports that the solenoid valve's improved design ensures reproducible and precise dosing, and effective rinsing capability, and is suitable for use with aggressive chemicals. The key to the performance of the Type 6650 3/2 solenoid valve is Brkert's flipper technology.
This employs an elastomer element that moves between two opposite solenoid valve seats under the force of permanent magnets fixed to the flipper element, opening one as it closes the other.
This operation requires only a temporary pulse, which is characterised by its short response time. It also provides benefits in terms of high reliability and very low levels of wear.
With the two nominal sizes available between 0,4 mm and 0,8 mm and 2/2 and 3/2 functionality, the Type 6650 3/2 is suit- able for applications where the highest fluid performances are required in the smallest space.
In dosing, for example, the Type 6650 3/2 opens up new possibilities, particularly in the connection with 384-well Microtiter plates.
The Type 6650 3/2 is equipped for use in its target markets; both the 3/2 solenoid valves and the 2/2 variant have bodies manufactured from high-performance polyether ether ketone and seals made of perfluoroelastomers.
The Type 6650 3/2 is the latest introduction to the Brkert Microfluidic range of products for analytical, medical and biotechnical applications. The range includes miniature solenoid solenoid valves and micropumps for applications with neutral, aggressive and highly purified media.
These solenoid valve products are ideally suited for the handling of fluids where dead legs, internal volume, chemical resistance and precision are paramount.
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