Isakhiwo se-valve yebhola sihlukaniswe ngohlobo oluntantayo nohlobo olungaguquki

I-valve yebhola engashintshi

Kukhona i-groove ngaphansi kwe-valve yokulungisa i-valve yebhola. Maphakathi kune-valve yebhola. Kunesiqu se-valve ezinhlangothini ezingenhla nezingezansi ukuze kulungiswe ibhola phakathi nendawo. Kusukela ngaphandle, ngokuvamile, i-valve yebhola enephuzu lokusekela i-disc ngaphansi kwe-valve yebhola iyi-valve yebhola engashintshi.

I-valve yebhola entantayo

Ibhola lintanta phakathi nendawo, futhi alikho iphuzu lokusekela ngezansi kunevalvu yebhola elintantayo

Ubukhulu obukhulu be-valve yebhola elintantayo ngokuvamile ngu-DN250

Ububanzi obukhulu be-valve yebhola engaguquki kungaba yi-DN1200

Umehluko omkhulu phakathi kwama-valve ebhola agxilile nantantayo usekulungisweni kwebhola eliphakathi nendawo. Ukulungiswa kulimaza uphawu ngokuhlukile. Uhlobo olumisiwe luthuthukisa impilo yesevisi ye-valve yebhola. I-valve yebhola engashintshi iphila isikhathi eside kune-valve yebhola elintantayo. Ibhola lohlobo lwe-valve yebhola liyantanta futhi lijikeleze emgodini, okuzokwenza ukuthi uphawu luntante futhi lucwilise. Lapho i-valve yebhola ijikeleza, amaphuzu okucindezeleka ahlukile. Uma lingekho iphuzu elisekelayo, lizolimaza uphawu ezinhlangothini zombili. Uma nje i-valve yebhola isetshenziswa, izobangela amazinga athile ahlukene okulahlekelwa kwengcindezi. Uma ibhola linephuzu elisekelayo, ngeke libangele ukulahlekelwa kwengcindezi noma indawo yokulahlekelwa kwengcindezi izoba yincane kakhulu, ngakho-ke impilo ye-valve yebhola ehleliwe yinde kunohlobo oluntantayo. , Kungcono ukusebenzisa i-valve yebhola engaguquki kwezinye izikhathi ezinemvamisa ephezulu yokushintsha.

I-valve yebholaukubeka uphawu

Ama-valve ebhola afaka ama-valve ebhola amise okwe-V, ama-valve angama-eccentric half ball,Ama-valve ebhola e-PVC, njll.

Lawa ama-valve ahlukene ashiwo ngokwezikhathi ezahlukene

I-valve yebhola yohlobo lwe-V

Umzila wokugeleza we-valve yebhola emise okwe-V iyi-valve yebhola enembobo engu-V esikiwe, okuyi-valve yebhola engashintshi.

Ububanzi bokusebenza: Imbobo ye-V icutshungulwe ngokukhethekile. Kuyisikwe okumise okwe-V. Njengommese, umsebenzi wawo ukusika imicu ethile. Kwezinye izinhlayiya eziqinile, izochotshozwa ngokuqondile. Indlela yokucubungula ibhola nayo ihlukile. Ikakhulukazi amanye amafekthri anendle ethile noma imithombo yezindaba eyimbudumbudu eqinile, njengalolu hlobo lwevalvu yebhola emise okwe-V ivame ukusetshenziswa kakhulu.

I-Eccentric half ball valve

I-valve ye-hemispherical eccentric ifana ne-valve yebhola emise okwe-V. I-valve core iyingxenye kuphela, futhi iyi-valve yebhola engashintshi. Isetshenziselwa ikakhulukazi izinhlayiya eziqinile. Wonke ama-valve ebhola ayizinhlayiyana eziqinile asebenzisa ama-eccentric hemispherical valves. Izitshalo eziningi zikasimende nazo ziyakusebenzisa lokhu.

Kokubili i-valve yebhola emise okuka-V kanye ne-eccentric semi-ball valve azikho unidirectional futhi angakwazi ukugeleza ohlangothini olulodwa kuphela, hhayi ukugeleza okuphindwe kabili, ngoba ibhola lakhona livalwe ohlangothini olulodwa, futhi uphawu ngeke luqine uma lushaywa uhlangothi oluhlehlayo, kodwa lugeleza luye ohlangothini olulodwa. Ukubekwa uphawu kuzoqina lapho kufakwa ingcindezi.

I-valve yebhola ye-PVC

Izimpawu zeAma-valve e-PVCkukhona kuphela i-EPDM (i-ethylene propylene diene monomer), i-FPM (irabha eyi-fluorine)

I-valve yebhola eqinile

I-Hard seal inesici esikhethekile

Kukhona isiphethu ngemuva kwesihlalo se-valve se-hard-seal, ngoba uma isihlalo se-valve se-hard-seal kanye nebhola kuxhunywe ngokuqondile ndawonye, ​​ngeke kujikeleze. Lapho intwasahlobo ixhunywe ngemuva kwesihlalo se-valve, ibhola liyoba nokuguquguquka ngesikhathi sokujikeleza, ngoba uphawu oluqinile Inkinga okufanele ixazululwe ukuthi ibhola lingasebenza ngokujwayelekile, kodwa ibhola lizovame ukuxutshwa yi-medium. Uma ezinye izinhlayiya zinamathele uphawu lwesihlalo se-valve, ngeke lusetshenziswe. Ngakho-ke, ilula kancane futhi incike ebukhuni bebhola ukwelula. Uma kuwuphawu oluthambile, uma izinhlayiya zinamathele uphawu, i-valve izolimala ngokuqondile lapho ivaliwe. Uphawu oluqinile luyafana nevalvu yebhola emise okwe-V ngaphambi kokushiya imboni ne-S60 engaphezulu. Uphawu nebhola kuqinile, ngakho ngokuvamile kuyizinto ezinzima. Ngeke iphuke uma uyikhuhla kancane

Isitifiketi se-PPL

Uphawu lubuye lube nempahla ye-PPL, igama layo lithuthukisiwe i-PTFE, impahla eluhlaza i-polytetrafluoroethylene, kodwa enye i-graphite yengezwa ukuyishintsha ibe ukumelana nokushisa okuphezulu, izinga lokushisa eliphezulu lingafinyelela ku-300 ° (hhayi ukumelana kwesikhathi eside ku-300 ° High izinga lokushisa), izinga lokushisa elivamile lingu-250 °. Uma udinga isikhathi eside se-300 °, kufanele ukhethe i-valve yebhola eliqinile. Ukumelana okujwayelekile kokushisa okuphezulu kwe-hard seal kungafinyelela ku-450 °, futhi izinga lokushisa eliphezulu lingafinyelela ku-500 °.