點擊次數:892 發布時間:2011-12-30
氣動調節閥,電動調節閥的操作規程和安裝技術
1.遵守正確的安裝技術
應始終遵守控製閥(
調節閥)製造商的安裝指導和注意點。這裏對典型的安裝指導作簡單歸納。
2.閱讀操作手冊
zaianzhuangfamenzhijian,xianyueduzhidaoshouce。zhidaoshoucejieshaogaichanpinyijianzhuangqianheanzhuangshiyingzhuyideanquanshixiangjiyufangcuoshi。anzhaoshoucezhongdezhinanquzuoyouzhuyubaozhenganzhuangdejianyihechenggong。
3.確認管道清潔
管道中的異物可能會損壞閥門的密封表麵或甚至阻礙閥芯、qiuhuodiebandeyundongerzaochengfamenbunengzhengquediguanbi。weilejianxiaoweixianqingkuangfashengdekenengxing,xuzaianzhuangfamenqianqingxisuoyoudeguandao。querenyiqingchuguandaowugou,jinshusuixie、焊han渣zha和he其qi它ta異yi物wu。另ling外wai,要yao檢jian查zha管guan道dao法fa蘭lan以yi確que保bao有you一yi個ge光guang滑hua的de墊dian片pian表biao麵mian。如ru果guo閥fa門men有you螺luo紋wen連lian接jie端duan,要yao在zai管guan道dao陽yang螺luo紋wen上shang塗tu上shang高gao等deng級ji的de管guan道dao密mi封feng劑ji。不bu要yao在zai陰yin螺luo紋wen上shang塗tu密mi封feng劑ji,因yin為wei在zai陰yin螺luo紋wen上shang多duo餘yu的de密mi封feng劑ji會hui被bei擠ji進jin閥fa體ti內nei。多duo餘yu的de密mi封feng劑ji會hui造zao成cheng閥fa芯xin的de卡ka塞sai或huo髒zang物wu的de積ji聚ju,進jin而er導dao致zhi閥fa門men不bu能neng正zheng常chang關guan閉bi。
雖然閥門製造商們會采取某些步驟防止運輸損壞,但這種損壞還是有可能發生的,且可以在安裝之前發現和通報。
不要安裝已經知道在運輸和存放時已損壞的閥門。
安裝之前,檢查並除去所有運輸擋塊、防護用堵頭或墊片表麵的蓋子,檢查閥體內部以確保不存在異物。
5.采用良好的管接實踐
絕大部分的控製閥(調節閥)可ke以yi安an裝zhuang在zai任ren何he位wei置zhi,但dan是shi,最zui通tong常chang用yong的de方fang法fa是shi將jiang執zhi行xing機ji構gou垂chui直zhi放fang置zhi並bing位wei於yu閥fa門men的de上shang部bu。如ru果guo執zhi行xing機ji構gou水shui平ping安an裝zhuang是shi必bi須xu的de,則ze考kao慮lv對dui執zhi行xing機ji構gou增zeng加jia一yi個ge額e外wai的de垂chui直zhi支zhi撐cheng。應ying確que保bao這zhe樣yang安an裝zhuang閥fa體ti:流體流向與流向箭頭或指導手冊所指示的方向一致。
6.quebaozaifamendeshangmianhexiamianliuyouzugoudekongjianyibianzaijianzhaheweihushirongyidichaixiezhixingjigouhuofaxin。kongjianjulitongchangkeyicongfamenzhizaoshangrendingdewaixingchicuntushangzhaodao。duiyufalanlianjiedefati,quebaofalanmianzhunquediduizhunyishidianpianbiaomianjunyundijiechu。zaifalanduizhonghou,qingqingdixuanjinluoshuan,zuihouyijiaocuoxingshixuanjinzhexieluoshuan
zhengquedixuanjinnengbimianchanshengbujunyundedianpianfuzai,bingyouzhuyufangzhixielou,yeyouzhuyubimianfalansunhuaihuoshenzhiliekaidekenengxing。danglianjiefalanhefamenfalancaizhibuyiyangshi,zhezhongyufangcuoshijiuxiandeyouweizhongyao。
安裝於控製閥(
調節閥)上遊和下遊的引壓管有助於檢查流量或壓力降。將引壓管接到遠離彎頭、縮徑或擴徑的直管段處。這種位置可將由於流體紊流而導致的不精確性減到最小。用1/4 或3/8 英寸(6-10mm)的(de)管(guan)子(zi)把(ba)執(zhi)行(xing)機(ji)構(gou)上(shang)的(de)壓(ya)力(li)接(jie)口(kou)連(lian)接(jie)到(dao)控(kong)製(zhi)器(qi)上(shang)。保(bao)持(chi)較(jiao)短(duan)的(de)連(lian)接(jie)距(ju)離(li),並(bing)盡(jin)量(liang)減(jian)少(shao)管(guan)件(jian)和(he)彎(wan)頭(tou)的(de)數(shu)量(liang)以(yi)減(jian)少(shao)係(xi)統(tong)時(shi)間(jian)滯(zhi)後(hou)。如(ru)果(guo)該(gai)距(ju)離(li)必(bi)須(xu)很(hen)長(chang),那(na)麼(me)可(ke)以(yi)在(zai)控(kong)製(zhi)閥(fa)(調節閥)上使用一個定位器或增壓器
氣動調節閥,電動調節閥的操作規程和安裝技術