显示盘在弹性座封闸阀中起什么作用?

1、DANXINGZUOFENGZHAFAQIBICHENGDUDEKEDUXIAN，YINGZHUZAOZAIBIANSUXIANGGAISHANGHUOZHUANHUANFANGXIANGHOUDEXIANSHIPANDEWAIQIAOSHANG，YILVMIANXIANGDIMIAN，KEDUXIANSHUASHANGYINGGUANGFEN，YISHIXINGMU。

2、ZHISHIPANZHENDECAIZHIZAIGUANLIJIAOHAODEQINGKUANGXIAKEYONGBUXIUGANGBAN，FOUZEWEISHUAQIDEGANGBAN，QIEWUSHIYONGLVPIZHIZUO。 

3、DANXINGZUOFENGZHAFADEZHISHIPANZHENXINGMU，GUDINGLAOKAO，YIDANQIBIDIAOJIEZHUNQUEHOU，YINGYIMAODINGSUODING。 

RUODANXINGZUOFENGZHAFAMAISHEJIAOSHEN，CAOZUOJIGOUJIXIANSHIPANLIDIMIANJULI≥1.5mSHI，YINGSHEYOUJIAZHANGGANSHESHI，QIEGUDINGWENLAO，YIBIANRENMENCONGDIMIANSHANGGUANCHAJICAOZUO。YEJIUSHISHUO，GUANWANGZHONGDEFAMENQIBICAOZUO，BUYIXIAJINGZUOYE。