| 摘要 |
A valve system, applicable for instance to analyzers, consists of a plurality of electromagnetically operating clamp valves, purposed to unclamp and/or clamp an elastic tube passing through the valve, thereby respectively turning on or shutting off fluid flow in said tube. The apparatus comprises a magnet table carrying a plurality of electromagnets, a cover part adjacent the magnet table carrying closing pegs movable with the aid of the electromagnets, and a tube cassette between the magnet table and the cover part, in which cassette the tubes may be disposed in a given array for the functions of the analyzer.
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