孔板流量计

一、 用    途

性标准环室孔板、法兰孔板节流装置是无刻度的流量测量装置，它与气动、电动差压变送器或双波纹管差压变送器配套使用。在冶金、化工、石油、电力工业系统连续测量介质温度≤400℃的液体、气体、蒸汽流经孔板所产生的压差，又变送器将该压差讯号转换成比例的输出信号，再有二次仪表或调节器，对被测量流量进行记录，指示或调节。

1、 节流装置系列型谱说明：                       

        L  FG—B       —     ———————   Dg50           

                                  16kgf/Cm²  公        Dg65          

   流量仪表                     安                 25 kgf/Cm² 称        Dg80

         法兰取压                装                40 kgf/Cm²  通       Dg100

              环室取压                            64 kgf/Cm²  径        Dg125

                                 形               100 kgf/Cm² ※       Dg150

A水  平                                                  Dg175

                  式                                     

B垂直向上                                                Dg200

C垂直向下                                                Dg225

                                                          Dg250

                                                          Dg275

                                                          Dg300

                                                          Dg325

                                                          Dg350

                                                          Dg375

                                                                         Dg400

※ 注：公称通径根据工艺条件要求，通径从Φ50~Φ418MM。

例：LGBA—16—80表示：标净环室孔板节流装置，水平安装，工作压力6kgf/Cm²公称通径为Dg80