Umehluko phakathi kwama-valve okuhlola ukuthula kanye nama-valve okuhlola ukuthula uncike kakhulu ezingeni lokuthulisa.I-valve yokuhlola ukuthulasusa umsindo kuphela futhi unciphise umsindo.I-valve yokuhlola ethuleingavikela futhi ithulise umsindo ngqo uma isetshenziswa.
Amavalvu okuhlola athuleZisetshenziswa kakhulu kumapayipi esistimu yamanzi futhi zifakwa endaweni yokuphuma kwephampu yamanzi. Yakhiwe ngomzimba wevalvu, idiski yevalvu, isiqu sevalvu, intwasahlobo nezinye izingxenye. Ukushaya kokuvala kufushane futhi isivinini sokugeleza okuphambene sincane ngesikhathi sokuvala. I-valve disc seal isebenzisa irabha ethambile, futhi ukubuya kwentwasahlobo kwenza ivalvu ivuleke futhi ivale ngaphandle kokuthinta, kunciphisa umsindo kanye nomphumela wesando samanzi, ngakho-ke ibizwa ngokuthi ivalvu yokuhlola isithuli. Ingaphakathi layo levalvu lisebenzisa isakhiwo sokuphakamisa futhi liwuhlobo lwevalvu yokuhlola yokuphakamisa.
Ama-valve okuhlola ukuthulazifakwa kakhulu ziqonde phezulu. Kuma-core e-valve aqondisa izinhlangothi ezimbili, zingafakwa futhi ngokuvundlile. Kodwa-ke, kuma-valve amakhulu, isisindo sediski ye-valve sikhulu kakhulu, okuzobangela ukuguguleka ohlangothini olulodwa esikhwameni somhlahlandlela, futhi ezimweni ezimbi kakhulu kuthinta umphumela wokuvala. Ngakho-ke, kunconywa ukufaka ngokuvundlile kuma-valve amakhulu.
I-valve yokuhlola ethule iphinde iqambe i-valve yokuhlola ukugeleza kwe-axial, iyithuluzi eliyisihluthulelo elifakwe endaweni yokuphuma kwepompo noma i-compressor ukuvimbela ukugeleza okuphakathi nendawo. Ngenxa yokuthi i-valve yokuhlola ukugeleza kwe-axial inezici zomthamo wokugeleza oqinile, ukumelana nokugeleza okuncane, iphethini elihle lokugeleza, ukuvalwa okuthembekile kanye nokungabi naso isando samanzi lapho ivulwa futhi ivalwa. Ifakwe endaweni yokungena kwamanzi yepompo yamanzi futhi ingavalwa ngokushesha ngaphambi kokuba ukugeleza kwamanzi kubuyele emuva. , ukugwema isando samanzi, umsindo wesando samanzi kanye nomthelela omubi ukuze kufezwe umphumela wokuthula. Ngakho-ke, isetshenziswe kabanzi emipayipini ende kawoyela negesi, ekuhlinzekweni kwamanzi amakhulu esitshalo samandla enuzi, kuma-compressor kanye namaphampu amakhulu ezitshalweni ezinkulu ze-ethylene, njll.
Yakhiwe kakhulu ngomzimba we-valve, isihlalo se-valve, idiski ye-valve, intwasahlobo, induku yokuqondisa, umkhono wokuqondisa, isembozo sokuqondisa nezinye izingxenye. Ubuso obungaphakathi bomzimba we-valve, isembozo sokuqondisa, idiski ye-valve kanye nezinye izindawo ezidlula ukugeleza kufanele zihambisane nomklamo wesimo se-hydraulic, futhi kufanele zijikelezwe ngaphambili futhi zikhonjwe ngemuva ukuze kutholakale umzila wamanzi ogeleza kangcono. Uketshezi luziphatha ngokuyinhloko njengokugeleza kwe-laminar ebusweni balo, ngaphandle kokuphazanyiswa okuncane noma okungenakho nhlobo. Umgodi wangaphakathi womzimba we-valve uyisakhiwo se-Venturi. Lapho uketshezi lugeleza ngomzila we-valve, luyancipha kancane kancane futhi lunwebeke, lunciphisa ukukhiqizwa kwemisinga ye-eddy. Ukulahlekelwa kwengcindezi kuncane, iphethini yokugeleza izinzile, akukho cavitation, kanye nomsindo ophansi.
Ingafakwa ngokuvundlile nangokuqondile. Uma kufakwa ububanzi obukhulu ngokuvundlile, induku yokuqondisa kufanele isebenzise isakhiwo sokuqondisa esiphindwe kabili ukuze igweme ukuguguleka ngokweqile kolunye uhlangothi lwesikhafu sokuqondisa kanye nenduku yokuqondisa okubangelwa isisindo sediski yevalvu. Lokhu kubangela ukuthi umphumela wokuvala idiski yevalvu wehle futhi umsindo ukhuphuke lapho uvala.
Umehluko phakathi kwe Ama-valve okuhlola ukuthula kanye nama-valve okuhlola ukuthula:
1. Isakhiwo sevalvu sihlukile. Isakhiwo sevalvu yokuhlola i-silencer silula kakhulu, kanti ivalvu yokuhlola isiteshi sokugeleza inesakhiwo esivamile. Isakhiwo sevalvu yokuhlola ukugeleza kwe-axial siyinkimbinkimbi kancane. Ingaphakathi lomzimba wevalvu liyisakhiwo seVenturi esinesiqondiso sokugeleza ngaphakathi. Ubuso bonke bokugeleza buhlelekile. Ukuguquka okubushelelezi kwesiteshi sokugeleza kunciphisa imisinga ye-eddy futhi kunciphisa ngempumelelo ukumelana nokugeleza.
2. Isakhiwo sokuvala i-valve core sihlukile. I-valve yokuhlola i-silencer isebenzisa i-valve core ethambile yerabha, futhi yonke i-valve core imbozwe irabha, noma isihlalo se-valve sivalwe ngendandatho yerabha. Ama-valve okuhlola ukugeleza kwe-Axial angasebenzisa izivalo zensimbi eziqinile kanye nobuso be-alloy eqinile, noma izakhiwo zokuvala ezithambile neziqinile. Ubuso bokuvala buhlala isikhathi eside futhi bandisa impilo yenkonzo.
3. Izimo zokusebenza ezisebenzayo zihlukile. Amavalvu okuhlola athule asetshenziswa kakhulu kumapayipi okushisa ajwayelekile njengezinhlelo zamanzi, anezingcindezi ezijwayelekile PN10--PN25 kanye nobubanzi DN25-DN500. Izinto zokwakha zifaka insimbi ecijile, insimbi ecijile, kanye nensimbi engagqwali. Amavalvu okuhlola ukugeleza kwe-Axial asetshenziswa ezinhlobonhlobo zezicelo, kusukela kugesi yemvelo encibilikisiwe ekushiseni okuphansi okungu--161°C kuya kumusi oshisa kakhulu. Ukucindezela okujwayelekile PN16-PN250, i-American standard Class150-Class1500. Ububanzi DN25-DN2000.