Njengesici sokulawula esibalulekile ohlelweni lwamapayipi oketshezi, amavalvu anezinhlobo ezahlukene zokuxhuma ukuze azivumelanise nezimo ezahlukene zokusetshenziswa kanye nezici zoketshezi. Okulandelayo yizinhlobo ezivamile zokuxhuma amavalvu kanye nezincazelo zawo ezimfushane:
1. Ukuxhumeka kwe-Flange
Ivalvuixhunywe epayipini ngokufanisa ama-flange kanye nezinamathiselo ze-bolt, futhi ifaneleka ezinhlelweni zamapayipi okushisa okuphezulu, umfutho ophezulu kanye nobubanzi obukhulu.
inzuzo:
Uxhumano luqinile futhi ukuvala kuhle. Lufanelekela ukuxhumeka kwe-valve ngaphansi kwezimo ezinzima njengokucindezela okuphezulu, izinga lokushisa eliphezulu kanye nemidiya ebolile.
Kulula ukuyihlukanisa nokuyilungisa, okwenza kube lula ukuyinakekela nokuyishintsha ivalvu.
ukushiyeka:
Kudingeka amabhawodi namantongomane engeziwe ukuze kufakwe, futhi izindleko zokufaka nokunakekela ziphakeme.
Ukuxhumeka kwe-flange kuyasinda futhi kuthatha isikhala esiningi.
Ukuxhumeka kwe-Flange kuyindlela evamile yokuxhuma i-valve, futhi izindinganiso zayo zifaka phakathi izici ezilandelayo:
Uhlobo lwe-Flange: Ngokusho kwesimo sobuso obuxhumanisayo kanye nesakhiwo sokuvala, ama-flange angahlukaniswaama-flange okushisela ayisicaba, ama-flange okushisela izinqe, ama-flange akhululekile emikhono, njll.

Usayizi we-flange: Usayizi we-flange uvame ukuvezwa ngobubanzi obujwayelekile (i-DN) bepayipi, futhi usayizi we-flange wezindinganiso ezahlukene ungahluka.

Izinga lokucindezela kwe-Flange: Izinga lokucindezela lokuxhumeka kwe-flange livame ukumelwa yi-PN (izinga laseYurophu) noma i-Class (izinga laseMelika). Amamaki ahlukene ahambisana nokucindezela okusebenzayo okuhlukene kanye namazinga okushisa.

Isimo sobuso bokuvala: Kunezinhlobo ezahlukene zobuso bokuvala ze-flanges, njengobuso obuyisicaba, ubuso obuphakanyisiwe, ubuso obugobile nobuyi-convex, ubuso bolimi kanye nomsele, njll. Isimo sobuso bokuvala esifanele kufanele sikhethwe ngokuya ngezakhiwo zoketshezi kanye nezidingo zokuvala.

2. Uxhumano olunezintambo
Ukuxhumeka okunezintambo kusetshenziselwa kakhulu ama-valve anobubanzi obuncane kanye nezinhlelo zamapayipi anomfutho ophansi. Izindinganiso zayo zifaka phakathi izici ezilandelayo:
inzuzo:
Kulula ukuxhuma futhi kulula ukuyisebenzisa, akudingeki amathuluzi noma imishini ekhethekile.

Ifanele ukuxhuma ama-valve amancane anobubanzi kanye namapayipi anomfutho ophansi ngentengo ephansi.

ukushiyeka:
Ukusebenza kokuvala kuphansi kakhulu futhi ukuvuza kungenzeka.

Ifaneleka kuphela ezimweni zokucindezela okuphansi kanye nezimo zokushisa eziphansi. Ezindaweni zokucindezela okuphezulu kanye nezimo zokushisa okuphezulu, uxhumano olunezintambo lungase lungahlangabezani nezidingo.

Ukuxhumeka okunezintambo kusetshenziselwa kakhulu ama-valve anobubanzi obuncane kanye nezinhlelo zamapayipi anomfutho ophansi. Izindinganiso zayo zifaka phakathi izici ezilandelayo:
Uhlobo lwentambo: Izinhlobo zentambo ezivame ukusetshenziswa zifaka phakathi intambo yepayipi, intambo yepayipi enciphile, intambo ye-NPT, njll. Uhlobo lwentambo olufanele kufanele lukhethwe ngokuya ngezinto zepayipi kanye nezidingo zokuxhuma.

Usayizi wentambo: Usayizi wentambo uvame ukuvezwa ngobubanzi obujwayelekile (i-DN) noma ububanzi bepayipi (intshi). Usayizi wentambo wezindinganiso ezahlukene ungahluka.

Izinto zokuvala: Ukuqinisekisa ukuqina kokuxhumeka, i-sealant ivame ukufakwa ezintanjeni noma kusetshenziswa izinto zokuvala ezifana ne-sealing tape.

3. Ukuxhumeka kokushisela
I-valve kanye nepayipi kuhlanganiswe ndawonye ngokuqondile ngenqubo yokushisela, efanelekela izimo ezidinga ukuvalwa okuphezulu kanye nokuxhumeka okuhlala njalo.
inzuzo:
Inamandla okuxhuma aphezulu, ukusebenza kahle kokuvala kanye nokumelana nokugqwala. Ifaneleka ngezikhathi ezidinga ukusebenza okuhlala njalo nokuphezulu kokuvala, njengezinhlelo zamapayipi embonini kaphethiloli, amakhemikhali kanye neminye.

ukushiyeka:
Kudinga imishini yokushisela yobungcweti kanye nabasebenzi, futhi izindleko zokufaka nokulungisa ziphezulu.

Uma ukushisela sekuqediwe, ivalvu nepayipi kuzokwakheka konke, okungelula ukukuqaqa nokuyilungisa.

Ukuxhumeka okushiselwe kufaneleka ezimweni ezidinga ukuvalwa okuphezulu nokuxhumeka okuhlala njalo. Izindinganiso zayo zifaka phakathi izici ezilandelayo:
Uhlobo lokushisela: Izinhlobo ezivamile zokushisela zifaka phakathi ukushisela kwezinqe, ukushisela kwe-fillet, njll. Uhlobo lokushisela olufanele kufanele lukhethwe ngokuya ngezinto zombhobho, ukujiya kodonga kanye nezidingo zokuxhuma.

Inqubo yokushisela: Ukukhethwa kwenqubo yokushisela kufanele kucatshangelwe ngokuphelele ngokusekelwe ezicini ezifana nezinto zokwakha, ukujiya kanye nendawo yokushisela yensimbi eyisisekelo ukuqinisekisa ikhwalithi yokushisela kanye namandla okuxhuma.

Ukuhlolwa kokushisela: Ngemva kokushisela sekuqediwe, kufanele kwenziwe ukuhlolwa okudingekayo kanye nokuhlolwa, njengokuhlolwa okubonakalayo, ukuhlolwa okungonakalisi, njll., ukuqinisekisa ikhwalithi yokushisela kanye nokuqina koxhumano.

4. Ukuxhumeka kwesokhethi
Ukuphela kwevalvu kuyisokhethi kanti okunye ukuphela kuyi-spigot, exhunywe ngokufaka nokuvala. Ivame ukusetshenziswa ezinhlelweni zamapayipi epulasitiki.
5. Ukuxhumeka kwe-clamp: Kunemishini yokubopha kuzo zombili izinhlangothi ze-valve. I-valve inamathele epayipini ngedivayisi yokubopha, efanele ukufakwa nokuhlukaniswa ngokushesha.
6. Ukuxhumanisa imikhono yokusika: Ukuxhumanisa imikhono yokusika kuvame ukusetshenziswa ezinhlelweni zamapayipi epulasitiki. Ukuxhumana phakathi kwamapayipi namavalvu kufezwa ngamathuluzi akhethekile okusika imikhono kanye nokufakwa kwemikhono yokusika. Le ndlela yokuxhuma kulula ukuyifaka nokuyiqaqa.
7. Ukuxhumeka okunamathelayo
Ukuxhumeka okunamathelayo kusetshenziswa kakhulu kwezinye izinhlelo zamapayipi ezingezona ezensimbi, njenge-PVC, i-PE kanye namanye amapayipi. Ukuxhumeka okuhlala njalo kwenziwa ngokubopha ipayipi kanye nevalvu ndawonye kusetshenziswa ingcina ekhethekile.
8. Ukuxhumeka kwe-clamp
Ngokuvamile okubizwa ngokuthi uxhumano olunemiphetho, lena indlela yokuxhuma okusheshayo edinga amabhawodi amabili kuphela futhi ifanele ama-valve anomfutho ophansi avame ukuhlukaniswa. Ukufakwa kwayo kwamapayipi okuxhuma kuhlanganisa izigaba ezimbili ezinkulu zemikhiqizo: ① Ukufakwa kwamapayipi okusebenza njengezimpawu zokuxhuma kufaka phakathi amalunga aqinile, amalunga aguquguqukayo, ama-tee omshini kanye nama-flange anemiphetho; ② Ukufakwa kwamapayipi okusebenza njengezinguquko zokuxhuma kufaka phakathi izindololwane, ama-tee, kanye neziphambano, i-reducer, i-blind plate, njll.
Ifomu lokuxhuma ivalvu kanye nezinga kuyizinto ezibalulekile ukuqinisekisa ukusebenza okuphephile nokuthembekile kwesistimu yevalvu kanye nephayiphi. Lapho ukhetha ifomu lokuxhuma elifanele, izinto ezifana nezinto zombhobho, ingcindezi yokusebenza, izinga lokushisa, indawo yokufaka, kanye nezidingo zokulungisa kufanele kucatshangelwe ngokuphelele. Ngesikhathi esifanayo, amazinga kanye nezincazelo ezifanele kufanele zilandelwe ngesikhathi senqubo yokufaka ukuqinisekisa ukunemba nokuvalwa kokuxhumeka ukuqinisekisa ukusebenza okuvamile kohlelo lwephayiphi oluwuketshezi.