1.Ivalve yebhabhathane ephakathikunye nevalve yebhabhathane eccentric
Ivalve yebhabhathane ephakathi kunye nevalve yebhabhathane eccentric zineengenelo kunye nezingeloncedo zazo，Xa ukhetha imodeli, kufuneka iqwalaselwe ngokubanzi kudityaniswe neendleko zayo.Xa sithetha ngokubanzi, ivalve yebhabhathane yomgca osembindini inexabiso eliphantsi kune-eccentric butterfly valve.Izivalo zebhabhathane ezikwicentralline zisetyenziswa kakhulu kwiivalvu zebhabhathane ezinobubanzi obuncinci kwilizwe lam, kwaye umphumo ulungile.Isitywina salo sokuvala ngokuyimfuneko i-rubber lining squeeze seal, ngakumbi kufuphi ne-valve shaft icinezelwe ngakumbi, ukwenzela ukuba ubomi benkonzo yevalve buchaphazeleke, kwaye i-torque yokuvula kunye nokuvala i-valve inkulu kakhulu.Ukuze kuncitshiswe iintsilelo zalo mba, ivalve yebhabhathane eccentric yavela.Imeko yokutywinwa kwethiyori yimeko yokutywinwa koqhagamshelwano.Abavelisi abaninzi baye baphuhlisa lo mba.Ivalve yebhabhathane ye-eccentric iyalathise ekuthwaleni uxinzelelo lwamanzi, ngakumbi ivalve yebhabhathane ene-dimensional eccentric.Umthamo wokuthwala uxinzelelo obuthathaka ubuthathaka.Ngenxa yokuba inethiwekhi yombhobho imise okwesangqa, iimfuno zevalve yokuthwala uxinzelelo kumacala omabini ziyafana, ngoko ke le mfuno kufuneka igxininiswe xa ukhetha ivalve.
2.Iivalve zebhabhathane ezithe nkqo nezithe tyaba
Kwiivalvu zebhabhathane eziphakathi nezinkulu, kukho umahluko phakathi kweeshafu zevalvu ezithe nkqo nezithe tye.Ngokuqhelekileyo, iivalve ze-butterfly ezithe nkqo zigutyungelwe ngumhlaba onzulu, kwaye i-debris emanzini inokuthi ijikeleze iziphelo ze-shaft kwaye ichaphazele ukuvula nokuvala;ibhokisi yothumelo yesantya eguquguqukayo yeevalvu zebhabhathane ezithe tyaba isecaleni.I-valve ibamba kakuhle indawo yendiza ebanzi endleleni, echaphazela ukulungiswa kweminye imibhobho.Ngoko ke, ngenxa yeengxaki ezingentla apha, kufuneka kucace kwinkqubo yokukhetha i-valve: i-valve ye-butterfly ephakathi-ububanzi ubukhulu becala, kwaye i-valve ye-butterfly-diameter enkulu kufuneka iqale ibe tye ukuba imeko yendawo yendiza ivunyelwe.Oku akukona nje ukuphucula kakhulu iimeko zokuhamba kwe-valve, kodwa kwakhona kusombulula ngokupheleleyo ingxaki yee-sundries emanzini afakwe kwi-valve shaft.
3.Isitywina esithambileyo kunye nesitywina sentsimbi.
Uninzi lweevalvu zebhabhathane ezisetyenziswa kushishino lokubonelela ngamanziiivalve zebhabhathane ezitywiniweyo ezithambileyo.Ngenxa yeengxaki ezithile ekusetyenzisweni kwale ndlela yokutywina, abavelisi abaninzi baye bazisa iivalve zebhabhathane ezitywinwe ngentsimbi ukuze zithathe indawo yevalve yebhabhathane etywiniweyo.Xa sikhetha itywina elithambileyo kunye neevalvu zokutywina zetsimbi, kusafuneka sithathele ingqalelo iindleko-zokusebenza kwezi zimbini.
①Ezona ngxaki ziphambili zevalve yebhabhathane yokutywina ethambileyo esetyenziswayo zezi: umgangatho ombi werabha, ukuguga kulula, ukonakala kwexesha elide, kunye nokuqhekeka kwe-extrusion.Ngoko ke, abanye abavelisi ngokubanzi bakhetha irabha ye-EPDM kunye ne-nitrile irabha kwaye basebenzise irabha yendalo ngamanani amancinci.Akuvumelekanga ngokungqongqo ukuxuba irabha ehlaziyiweyo ukuze kuphuculwe ukumelana nokuguga kunye nokumelana nokuguga komsesane wokutywina.
②Ivalve yebhabhathane etywiniweyo yentsimbi idla ngokuthatha ubume be-eccentric, ngakumbi ubume obunemilinganiselo emithathu eccentric, ngenxa yokwaluka okuncinci kwetywina.Ivalve yebhabhathane etywiniweyo ngentsimbi yayisetyenziswa ekuqaleni kwimibhobho yomphunga woxinzelelo oluphezulu, kwaye ixabiso liyabiza kakhulu.Indawo yayo yokutywina ayilula ukuba yonakaliswe ngexesha lokusebenza, kodwa ukuchaneka kwayo kokuvelisa kuphezulu, kwaye xa sele ivuza, kunzima ukuyilungisa.
Ixesha lokuposa: Oct-18-2021