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壁挂炉选择压力表量程的方法

当前栏目:常见问题发布日期:2018-09-12阅读量:

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  4、应根据锅炉工作压力来选择,量程刻度的极限值应为工作压力的1.5~3.0倍,最好是2倍。 在工业锅炉河北快3中,实际情况是锅炉实际运行时的工作压力总是比铭牌上的额定压力要低,工业蒸汽锅炉和热水采暖锅炉均是如此。例如4t/h的蒸汽锅炉,额定压力为1MPa,制造厂如按1.5倍来配备压力表,应配备1.6MPa量程压力表。若用户由于生产工艺需要,实际运行在0.5MPa压力下即能满足工艺要求,这时运行量程,压力表的指针就指在量程的三分之一不到的位置,指针转过的角度很小.即选用的压力表量程太大。

 

河北快3   RESHUIGUOLUYESHIRUCI。LIRU,CAINUANGUOLUDEEDINGYALIWEI0.7MPa,YALIBIAOYINGWEI1MPaHUO1.6MPa。RUGUOPEIBEI1MPaDEYALIBIAO,ZEPAZAISHUIYASHIYANSHISHIYALIBIAOGUOZAI,YINCIFANWEIWEI1.6。 MPaYALIBIAO。ZAISHIJICAOZUOZHONG,ZHIYAO0.2MPaKEYIMANZUCAINUANYAOQIU,YALIBIAODEZHIZHENJIUSHIGAIFANWEIDEBAFENZHIYI,ZHEISHIDEHENNANXIANGXINYALIBIAODEJINGDUHELINGMINDU。

 

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