Ii-valve ye-butterfly yepulasitikiixhunywe ohlelweni lwamapayipi ngezindlela ezilandelayo:

Ukuxhunywa kwe-butt welding: Ububanzi obungaphandle bengxenye yokuxhuma i-valve bulingana nobubanzi obungaphandle bepayipi, futhi ubuso bokuphela bengxenye yokuxhuma i-valve buphambene nobuso bokugcina bepayipi lokushisela;

Ukuxhumeka kwe-socket bonding: ingxenye yokuxhuma i-valve isesimweni sesokhethi, ehlanganiswe nepayipi;

Uxhumano lwesokhethi ye-Electrofusion: ingxenye yokuxhuma i-valve iwuhlobo lwesokhethi enocingo olushisa ngogesi olubekwe kububanzi obungaphakathi, futhi iwukuxhuma kwe-electrofusion nepayipi;

Ukuxhumeka kwe-socket hot-melt: ingxenye yokuxhuma i-valve isesimweni sesokhethi, futhi ixhunywe nepayipi nge-hot-melt socket;

Uxhumano lwe-socket bonding: Ingxenye yokuxhuma i-valve isesimweni sesokhethi, eboshwe futhi ifakwe ngepayipi;

Uxhumano lwendandatho yokuvala i-rubber ye-socket: Ingxenye yokuxhuma i-valve iwuhlobo lwesokhethi enendandatho yokuvala irabha ngaphakathi, egxiliwe futhi ixhunywe ngepayipi;

Ukuxhumeka kwe-Flange: Ingxenye yokuxhuma kwe-valve isesimweni se-flange, exhunywe ne-flange epayipini;

Uxhumano lwentambo: Ingxenye yokuxhuma i-valve isesimweni sentambo, exhunywe nentambo epayipini noma ekufakeni ipayipi;

Ukuxhumana okubukhoma: Ingxenye yokuxhuma i-valve iwuxhumano olubukhoma, oluxhunywe naloamapayipi noma izinsimbi.

I-valve ingaba namamodi ahlukene okuxhuma ngesikhathi esisodwa.

umgomo wokusebenza:

Ubudlelwano phakathi kokuvulwa kwe-valve uvemvane lwepulasitiki kanye nezinga lokugeleza kushintsha ngokuyisisekelo. Uma isetshenziselwa ukulawula ukugeleza, izici zayo zokugeleza nazo zihlobene eduze nokumelana nokugeleza kwamapayipi. Isibonelo, amapayipi amabili afakiwe anobubanzi obufanayo be-valve kanye nefomu, kodwa i-coefficient yokulahlekelwa kwepayipi ihlukile, futhi izinga lokugeleza kwe-valve nalo lizohluka kakhulu.

Uma i-valve isesimweni esinobubanzi obukhulu be-throttle, ingemuva le-valve plate lithambekele ku-cavitation, okungase kulimaze i-valve. Ngokuvamile, isetshenziswa ngaphandle kuka-15 °.

Lapho i-valve uvemvane lwepulasitiki luphakathi nendawo, umumo wembobo owenziwe umzimba we-valve kanye nengxenye engaphambili yepuleti uvemvane kugxilwe ku-valve shaft, futhi izinhlangothi zombili zakheka ukuze kuqedelwe izifunda ezihlukene. Ingxenye engaphambili yepuleti uvemvane ngakolunye uhlangothi inyakaza ibheke lapho amanzi ageleza khona, kanti olunye uhlangothi luphambene nalapho ageleza khona. Ngakho-ke, uhlangothi olulodwa lomzimba we-valve kanye nepuleti ye-valve yenza ukuvuleka okufana ne-nozzle, kanti olunye uhlangothi lufana nokuvuleka kwe-throttle. Uhlangothi lwe-nozzle lunezinga lokugeleza elishesha kakhulu kunohlangothi lwe-throttle, futhi ukucindezela okungalungile kuzokwenziwa ngaphansi kwe-valve ye-throttle side. Izigxivizo zenjoloba zivame ukuwa.

Amavalvu ovemvane epulasitiki nezinduku zovemvane azinawo amandla okuzivalela. Ukuze kumiswe ipuleti levemvane, into yokunciphisa igiya lezikelemu kufanele ifakwe ku-valve rod. Ukusetshenziswa kwe-worm gear reducer akukwazi nje ukwenza ipuleti le-butterfly lizikhiyele futhi limise ipuleti levemvane kunoma yisiphi isikhundla, kodwa futhi lithuthukise ukusebenza kwe-valve.

I-torque esebenzayo ye-valve uvemvane yepulasitiki inamanani ahlukene ngenxa yokuvuleka nokuvala okuhlukile kwe-valve. I-valve ye-butterfly enezingqimba, ikakhulukazi i-valve yobubanzi obukhulu, ngenxa yokujula kwamanzi, i-torque ekhiqizwa umehluko phakathi kwamakhanda amanzi aphezulu naphansi we-valve shaft ayikwazi ukushaywa indiva. Ngaphezu kwalokho, lapho indololwane ifakwe ohlangothini lokungena lwe-valve, kwakheka ukugeleza kwe-bias, futhi i-torque izokhula. Uma i-valve iphakathi nendawo, indlela yokusebenza idinga ukuzikhiya ngenxa yesenzo se-torque yokugeleza kwamanzi.

I-valve ye-butterfly yepulasitiki inesakhiwo esilula, esihlanganisa izingxenye ezimbalwa kuphela, futhi igcina ukusetshenziswa kwezinto ezibonakalayo; usayizi omncane, isisindo esilula, usayizi omncane wokufaka, i-torque encane yokushayela, ukusebenza okulula nokushesha, kudinga kuphela ukujikeleza okungu-90 ° ukuze uvule futhi uvale ngokushesha; futhi Ngesikhathi esifanayo, inomsebenzi omuhle wokulungisa ukugeleza kanye nezici zokuvala nokuvala. Emkhakheni wokufaka isicelo wezinga elikhulu neliphakathi, ingcindezi ephakathi nendawo nephansi, i-valve uvemvane iwuhlobo lwe-valve evelele. Uma i-valve uvemvane isendaweni evuleke ngokugcwele, ukushuba kwepuleti uvemvane kuwukuphela kokumelana lapho okuphakathi kugeleza emzimbeni we-valve, ngakho-ke ukwehla kokucindezela okukhiqizwa i-valve kuncane, ngakho kunezici zokulawula ukugeleza okungcono. I-valve uvemvane inezinhlobo ezimbili zokuvala: uphawu olunwebekayo kanye nophawu lwensimbi. I-valve yokuvala enwebekayo, iringi yokuvala ingafakwa emzimbeni wevalvu noma ixhunywe kumngcele wepuleti lovemvane. Amavalvu anezigxivizo zensimbi ngokuvamile aphila isikhathi eside kunamavalvu anezimpawu ezinwebekayo, kodwa kunzima ukuthola uphawu oluphelele. Isigxivizo sensimbi singazivumelanisa nezinga lokushisa eliphakeme lokusebenza, kanti uphawu olunwebekayo lunesici sokunqunyelwa izinga lokushisa. Uma i-valve ye-butterfly idingeka ukuthi isetshenziswe njengendlela yokulawula ukugeleza, into eyinhloko ukukhetha kahle ubukhulu nohlobo lwe-valve. Isimiso se-valve ye-butterfly ifaneleka ngokukhethekile ekwenzeni ama-valve amakhulu. Amavalvu ovemvane awasetshenziswa nje kuphela ezimbonini ezijwayelekile ezifana ne-petroleum, igesi, amakhemikhali, nokwelashwa kwamanzi, kodwa futhi asetshenziswa ezinhlelweni zokupholisa zamanzi eziteshini zamandla ashisayo. Amavalvu ovemvane asetshenziswa kakhulu ahlanganisa amavalvu ovemvane ohlobo lwe-wafer namavalve ohlobo lwe-butterfly. Ama-valve evemvane e-wafer axhunywe phakathi kwama-flange amapayipi amabili nama-stud bolt. Ama-valve ovemvane ane-Flanged afakwe ama-flange ku-valve. Ama-flanges emikhawulweni yomibili ye-valve axhunywe kuma-flange amapayipi ngama-bolts. Ukusebenza kwamandla kwe-valve kusho ikhono le-valve ukumelana nokucindezela kwe-medium. I-valve ingumkhiqizo wemishini othwala ingcindezi yangaphakathi, ngakho-ke kufanele ibe namandla anele kanye nokuqina ukuze kuqinisekiswe ukusetshenziswa kwesikhathi eside ngaphandle kokuqhekeka noma ukuguqulwa.

Ngokusetshenziswa kwerabha yokwenziwa ye-anti-corrosion kanye ne-polytetrafluoroethylene, ukusebenza kwama-valve ovemvane kungathuthukiswa futhi kuhlangabezane nezimo zokusebenza ezihlukene. Eminyakeni eyishumi edlule, ama-valve uvemvane avala insimbi aye athuthuka ngokushesha. Ngokusetshenziswa kokumelana nokushisa okuphezulu, ukumelana nokushisa okuphansi, ukumelana nokugqwala okuqinile, ukumelana nokuguguleka okuqinile, kanye nezinto ezisetshenziswayo ezinamandla amakhulu kuma-valve uvemvane, ama-valve ovemvane okuvalwa kwensimbi asetshenziswe ekushiseni okuphezulu, izinga lokushisa eliphansi, nokuguguleka okuqinile. Isetshenziswe kabanzi ngaphansi kwezinye izimo zokusebenza futhi yashintsha ingxenye yevalve yomhlaba,i-valve yesangokanye ne-valve yebhola.