公开(公告)号：US4281935A

公开(公告)日：1981-08-04

申请号：US115214

申请日：1980-01-25

申请人： Gregory D. Cramer ,  Irvin B. King ,  Robert D. Sauerbrunn ,  Albert T. Strand

发明人： Gregory D. Cramer ,  Irvin B. King ,  Robert D. Sauerbrunn ,  Albert T. Strand

IPC分类号： B01J4/00 ,  G01N1/00 ,  F16K1/02

CPC分类号： G01N35/1097 ,  B01J4/001 ,  Y10T137/4329 ,  Y10T137/6579 ,  Y10T137/8766 ,  Y10T137/87676

摘要： A valve for adding ingredients to or sampling the fluid flowing through the valve includes an adjustable solid stem which can be extended through the flow path of a pipeline to form a seal with a seat positioned directly opposite the stem. An injection nozzle is fitted into the seat to permit addition of ingredients or sampling of the fluid when the stem is retracted from the seat. When the stem is seated, flow still occurs in the flow path.

摘要翻译： 用于向流过阀的流体添加成分或对流体进行取样的阀包括可调节的实心杆，其可以延伸穿过管道的流动路径，以形成与阀杆直接相对定位的阀座的密封。 当阀杆从阀座缩回时，喷嘴安装在阀座中以允许添加配料或取样流体。 当阀杆就位时，流动路径仍然发生。