| 摘要 |
<p>Valve assemblies are provided which comprise a housing (10) having a common port (14) and n peripheral ports (13) where n is an even integer greater than or equal to 4. The valve assemblies further comprise a valve plug (20) contained within the housing. The valve plug comprises a distribution channel (24) capable of fluid communication with the common port and at least one of the peripheral ports, and (n/2)-1 switching channels (26) capable of fluid communication with at least two of the peripheral ports. <IMAGE></p> |
