欧洲杯竞彩

08/09
2020
智能调节阀和普通调节阀的区别

ZHINENGDIANDONGDIAOJIEFALIYONGBEIDIAOJIEZHIZISHENNENGLIANG,ZHIJIEDUIZHENGQI、RESHUI、REYOUYUQITIDENGJIEZHIDEWENDUSHIXINGZIDONGDIAOJIEHEKONGZHI,YIKESHIYONGZAIFANGZHIDUIGUOREHUOREJIAOHUANCHANGHE,GAIFAJIEGOUJIANDAN,CAOZUOFANGBIAN,XUANYONGDIAOWENFANWEIGUANG、XIANGYINGSHIJIANKUAI、MIFENGXINGNENGKEKAO,BINGKEZAIYUNXINGZHONGSUIYIJINXINGDIAOJIE,YINERGUANGFANYINGYONGYUHUAGONG、SHIYOU、SHIPIN、QINGFANG、BINGUANYUFANDIANDENGBUMENDERESHUIGONGYING。

03/09
2020
截止阀为什么要低进高出?

22/08
2020
手动阀门的操作方法有哪些

SHOUDONGFAMEN,SHITONGGUOSHOUBING,SHOULUNCAOZUODEFAMEN,SHISHEBEIGUANDAOSHANGSHIYONGPUBIANDEYIZHONGFAMEN。TADESHOUBING,SHOULUNXUANZHUANFANGXIANGSHUNSHIZHENWEIGUANBI,NISHIZHENWEIKAIQI。DANYEYOUGEBIEFAMENKAIQIYUSHANGSHUKAIQIXIANGFAN。YINCI,CAOZUOQIANYINGZHUYIJIANCHAQIBIBIAOZHIHOUZAICAOZUO。 FAMENSHANGDESHOULUN,SHOUBINGSHIANZHENGCHANGRENLISHEJIDE,YINCI,ZAIFAMENSHIYONGSHANGGUIDING,BUYUNXUCAOZUOZHEJIEZHUGANGGANHEZHANGBANSHOUKAIQIHUOGUANBIFAMEN。SHOULUN,SHOUBINGDEZHIJING(ZHANGDU)320mmDESHOULUN,YUNXULIANGGERENGONGTONGCAOZUO,HUOZHEYUNXUYIRENJIEZHUSHIDANGDEGANGGAN(YIBANBUCHAOGUO1.5mZHANG)CAOZUOFAMEN。 ZHAFAHEJIEZHIFAZHILEIDEFAMEN,GUANBIHUOKAIQIDAOTOU(JIXIASIDIANHUOXIASIDIAN)YAOHUIZHUAN4/1-2/1QUAN,SHILUOWENGENGHAOMIHE,YOULICAOZUO,YIMIANDEGUOJIN,SUNHUAIFAJIAN。 YOUDECAOZUORENYUANXIGUANSHIYONGGANGGANHEZHANGBANSHOUCAOZUO,RENWEIGUANBILIYUEDAYUEHAO,QISHIBURAN,ZHEIYANGHUIZAOCHENGFAMENGUOZAOSUNHUAI,SHENZHINIANGCHENGSHIGU

19/08
2020
阀门阀体的常用材料

FATIDECHANGYONGCAILIAOJIGEZHONGCAILIAORECHULIFENXI,FATIDECAILIAOZHONGLEIFANDUO,SHIYONGYUGEZHONGBUTONGDEGONGKUANG。 1、HUIZHUTIE 2、HEIXINKEDUANZHUTIE 3、QIUMOZHUTIE 4、TANSUGANG(WCA、WCB、WCC) 5、DIWENTANGANG(LCB) 6、HEJINGANG(WC6、WC9 7、AOSHITIBUXIUGANG 8、MENGNAIERHEJIN 9、ZHUTONGHEJIN

14/08
2020
阀杆最小直径和最小阀杆直径是如何规定的

FAGANZUIXIAOZHIJINGZHIDESHIFAGANYUTIANLIAOJIECHUBUFENDEZHIJING。ZUIXIAOFAGANZHIJINGSHIZHIFAGANLUOWENTUIDAOCAODEZHIJING

11/06
2019
阀门基础:什么是文丘里旋塞阀

YIZHONGGUANCHUANSAITIYOUYIGEMINGXIANSUOKOUDEFAMEN。ZAIZHEIZHONGFAMENZHONG,CONGMEIGEQUANJINGDUANDAOSUOJINGDEGUODUDOUYOULIANGHAODELIUXIANXING。

30/01
2018
阀门基础:何为承压件?

SHEJINENGCHENGSHOUGUANXIANJIEZHIYALIDELINGJIAN,RUFATI、FAGAI、TIANLIAOYAGAI、FAGAN、DIANPIANHELUOZHUDENGLINGJIAN。

29/01
2018
阀门基础:何为流量系数KV值?

SHUIZAI5℃(40F)~40℃(104OF)ZHIJIANLIUJINGFAMENCHANSHENG1 bar(14.7psi)YALISUNSHIDETIJILIULIANG,YONGMEIXIAOSHILIFANGMIBIAOSHI。KV = CV / 1.156LIULIANGXISHUCV: SHISHUIZAI15.6℃(60OF)LIUJINGFAMENSHICHANSHENG1 paiSHIDEZHILIANGLIULIANG,YONGMEIFENZHONGJIALUNBIAOSHI。

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