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FANCYIND
                                FANCYIND                                                FANCYIND


            伯尔梅特  消防系统


               型号:  FP 450-80                                                                      400 系列


            典型应用
                                                                                        FANCYIND
 FANCYIND       FP 450-80  型阀门通过其高灵敏度导阀感应蓄水池水位静压力。为保证高准确度,导管须连接到蓄水池底部某静止点。静止点位于
                                FANCYIND
            水塔双液位控制

            The Model  FP  450-80 senses  the  static head of the water  level in the tank  by means of a  high  sensitivity  pilot.  To do  so
            排水管,该点在注水和出水时不受流速影响。
                         sensing tube  end  must  be  connected to a “still point” at the bottom of the  tank.  The  drainage pipe
            accurately, the
            provides this “  still point”,  a  location  not  influenced by flow velocity  as  in filling and  outflow  pipes.









                                         排水
                                                          排水
                                                          Drainage



                                                                          FP 450-80 型高度控制阀

                                                排水阀
 FANCYIND                       FANCYIND                                                FANCYIND


                                                (常闭)

            使较浅的蓄水池保持充满状态
            水塔
                        ll” -  Shallow Reservoirs


            对于较浅的蓄水池,水位应保持稳定。
                       rvoirs, the  water  level should be kept  as
            In these rese
            FP 450-82  液位控制阀具有调节式高度导阀,非常适用于较浅
            constant as  possible.
            的蓄水池。
            The Level Control  Valve with modulating altitude  pilot
            高度导阀具有高灵敏度,可根据水位情况进行变动,水位下降
            Model FP  450-82 is well suited to  fulfill this requirement.
            数厘米时便开始注水。
            The altitude  pilot is highly sensitive to  changes and
            为实现该功能,感应导管末端必须连接到蓄水池底部某静止
            点。
            accurately maintains level within a  few centimeters.
              To do  so,  the  sensing tube  end  must  be  connected to  a

            “still point”  at  the  bottom of the  reservoir.


                                                                                     FP 450-82  型液位控制阀,
                                                                                     具有调节型高度导阀

           FP 450-82 型液位控制阀,具有调节式高度导阀
 FANCYIND       FP 450-82 型阀门在 FP 450-80 型阀门基础上对功能进行了改动,将阀门开关功能改为                       FANCYIND                 [4]
                                FANCYIND
            Level Control  Valve  with  Modulating  Altitude  Pilot

                                                                                                 [3]
            Model FP  450-82




           调节功能,以便使蓄水池保持充满状态。水流从阀门进水口连续地通过针阀[1]进入上控
            The Model  FP  450-82 modifies  the Model FP  450-80


           制腔[2]。导阀[3]通过感应导管[4]感应静压力。
            “On-Off” feature into a  modulating feature to  maintain  an  “always  full” reservoir.
           静压力升高超过导阀设置值时,导阀缓闭,主阀随之缓闭,降低注水流量。阀门关闭时
            The  needle valve  [1] continuously allows flow from  valve  inlet into  the  control
           密封严实滴水不漏。利用下游的球阀[5]可手动关闭阀门。                                                            [1]
              chamber [2]. The  pilot [3] senses static head via sensing tube  [4].
            Should the  static head rise  towards pilot  setting, the pilot throttles, causing the   [2]
            main valve  to  throttle  closed, reducing filling rate,  eventually  closing  drip  tight.    [5]
            The  downstream cock  valve  [5] enables manual  control  closing.


 FANCYIND                       FANCYIND                                                FANCYIND
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