Njengento yokulawula eyimfuneko kwinkqubo yombhobho wolwelo, iivalvu zineendlela ezahlukeneyo zokunxibelelana ukuziqhelanisa neemeko ezahlukeneyo zosetyenziso kunye neempawu zolwelo. Ezi zilandelayo ziifom zoqhagamshelo lwevalvu eqhelekileyo kunye neenkcazelo zazo ezimfutshane:
1. Uqhagamshelwano lweFlange
Ivalve yiidityaniswe kumbhobho ngokuthelekisa iiflange kunye nezibophelelo zebholithi, kwaye ifanelekile kwiqondo lokushisa eliphezulu, uxinzelelo oluphezulu kunye neenkqubo ezinkulu zemibhobho yobubanzi.
inzuzo:
Uqhagamshelwano luqinile kwaye ukutywinwa kulungile. Ifanelekile ukudibanisa i-valve phantsi kweemeko ezinzima ezifana noxinzelelo oluphezulu, ubushushu obuphezulu kunye neendaba ezitshabalalisayo.
Kulula ukuqhaqha kunye nokulungiswa, okwenza kube lula ukugcina kunye nokubuyisela ivalve.
ukusilela:
Iibholiti ezininzi kunye namantongomane ziyafuneka ekufakeni, kwaye iindleko zokufakela kunye nokugcinwa ziphezulu.
Udibaniso lweFlange lunzima kwaye luthatha indawo eninzi.
Uxhulumaniso lweFlange yindlela yoqhagamshelo lwevalvu eqhelekileyo, kunye nemigangatho yayo ikakhulu ibandakanya le miba ilandelayo:
Uhlobo lweFlange: Ngokwemilo yendawo yokudibanisa kunye nesakhiwo sokutywinwa, iiflange zinokuhlulwa zibeiiflange zokuwelda ezisicaba, iiflange ze-welding ezimpundu, iiflange zemikhono ezikhululekileyo, njl.

Ubungakanani be-flange: Ubungakanani be-flange buvame ukubonakaliswa kwi-diameter ye-nominal (DN) yombhobho, kwaye ubukhulu be-flange bemigangatho eyahlukeneyo bunokwahluka.

Ibakala loxinzelelo lweFlange: Ibakala loxinzelelo loxhumo lweflange ludla ngokumelwa yiPN (umgangatho waseYurophu) okanye iKlasi (umgangatho waseMelika). Amabanga ahlukeneyo ahambelana noxinzelelo oluhlukeneyo lokusebenza kunye neqondo lokushisa.

Ifomu yomphezulu wokutywina: Kukho iindlela ezahlukeneyo zomphezulu wokutywina weeflange, ezinjengomphezulu osicaba, umphezulu ophakanyisiweyo, umphezulu we-concave kunye ne-convex, umphezulu wolwimi kunye nomphezulu wegroove, njl. njl.

2. Uqhagamshelwano ngomsonto
Udibaniso olunemisonto lusetyenziswa ikakhulu kwiivalvu ezinobubanzi obuncinci kunye neenkqubo zemibhobho yoxinzelelo oluphantsi. Imigangatho yayo ikakhulu ibandakanya le miba ilandelayo:
inzuzo:
Kulula ukudibanisa kwaye kulula ukuyisebenzisa, akukho zixhobo ezizodwa okanye izixhobo ezifunekayo.

Ifanelekile ukudibanisa i-valve ye-diameter encinci kunye nemibhobho yoxinzelelo oluphantsi kunye neendleko eziphantsi.

ukusilela:
Ukusebenza kokutywinwa kumbi kakhulu kwaye ukuvuza kuqhele ukwenzeka.

Kufanelekile kuphela uxinzelelo oluphantsi kunye neemeko zokushisa eziphantsi. Uxinzelelo oluphezulu kunye neendawo eziphakamileyo zokushisa, uxhulumaniso lwentambo alukwazi ukuhlangabezana neemfuno.

Udibaniso olunemisonto lusetyenziswa ikakhulu kwiivalvu ezinobubanzi obuncinci kunye neenkqubo zemibhobho yoxinzelelo oluphantsi. Imigangatho yayo ikakhulu ibandakanya le miba ilandelayo:
Uhlobo lwentambo: Iintlobo zentambo ezisetyenziswa ngokuqhelekileyo ziquka intambo yombhobho, intambo yombhobho odibeneyo, intambo ye-NPT, njl njl.

Ubungakanani bomsonto: Ubungakanani bomsonto budla ngokubonakaliswa kwidayamitha yegama (DN) okanye idayamitha yombhobho (intshi). Ubungakanani bemisonto yemigangatho eyahlukeneyo bunokwahluka.

Izinto zokutywina: Ukuqinisekisa ukuqiniswa koqhagamshelwano, i-sealant idla ngokusetyenziswa kwiintambo okanye izinto zokutywina ezifana ne-tape yokutywina isetyenziswa.

3. Ukudibanisa i-Welding
I-valve kunye nombhobho zidibene ngokuthe ngqo ngenkqubo ye-welding, efanelekileyo kwiimeko ezifuna ukutywinwa okuphezulu kunye noxhumo olusisigxina.
inzuzo:
Inamandla onxibelelwano oluphezulu, ukusebenza kakuhle kokutywinwa kunye nokuxhathisa ukubola. Ifanelekile kwizihlandlo ezifuna ukusebenza ngokusisigxina kunye nokutywinwa okuphezulu, njengeenkqubo zepayipi kwi-petroleum, iikhemikhali kunye namanye amashishini.

ukusilela:
Ifuna izixhobo ze-welding professional kunye nabaqhubi, kwaye iindleko zokufakela kunye nokugcinwa ziphezulu.

Emva kokuba i-welding igqityiwe, i-valve kunye nombhobho uya kwenza yonke into, okungekho lula ukuyichitha kunye nokulungiswa.

Uqhagamshelwano oludityanisiweyo lufanelekile kwiimeko ezifuna ukutywinwa okuphezulu kunye nokudibanisa okusisigxina. Imigangatho yayo ikakhulu ibandakanya le miba ilandelayo:
Uhlobo lwe-weld: Iintlobo ze-weld eziqhelekileyo ziquka i-butt welds, i-fillet welds, njl. Uhlobo olufanelekileyo lwe-weld kufuneka lukhethwe ngokwezinto zombhobho, ubukhulu bodonga kunye neemfuno zokudibanisa.

Inkqubo ye-Welding: Ukukhethwa kwenkqubo ye-welding kufuneka kuqwalaselwe ngokubanzi ngokusekelwe kwizinto ezifana nempahla, ubukhulu kunye nesikhundla se-welding yesiseko sesinyithi ukuqinisekisa umgangatho we-welding kunye namandla okudibanisa.

Ukuhlolwa kwe-Welding: Emva kokuba i-welding igqityiwe, ukuhlolwa okufunekayo kunye neemvavanyo kufuneka zenziwe, njengokuhlolwa okubonakalayo, ukuvavanywa okungonakalisi, njl., Ukuqinisekisa umgangatho we-welding kunye nokuqina koqhagamshelwano.

4. Uqhagamshelwano lwesokethi
Esinye isiphelo sevalve sisokethi kwaye esinye isiphelo sisipigothi, esidityaniswe ngokufaka kunye nokutywinwa. Ihlala isetyenziswa kwiinkqubo zemibhobho yeplastiki.
5. Uqhagamshelo lokubamba: Kukho izixhobo zokubambelela kumacala omabini evalve. I-valve igxininiswe kumbhobho ngokusebenzisa i-clamping device, efanelekileyo ukufakwa ngokukhawuleza kunye nokuchithwa.
6. Ukudibanisa umkhono wokusika: Ukudibanisa umkhono wokusika ngokuqhelekileyo kusetyenziswa kwiinkqubo zemibhobho yeplastiki. Ukudibanisa phakathi kweepayipi kunye neevalve kufezekiswa ngokusebenzisa izixhobo ezikhethekileyo zokusika kunye nezixhobo zokusika imikhono. Le ndlela yokudibanisa kulula ukuyifaka kunye nokuqhaqha.
7. Uxhulumaniso olunamathelayo
Ukudityaniswa kwe-adhesive kusetyenziswa kakhulu kwiinkqubo zemibhobho engeyiyo eyentsimbi, njenge-PVC, i-PE kunye neminye imibhobho. Uqhagamshelwano olusisigxina lwenziwa ngokudibanisa umbhobho kunye nevalve kunye usebenzisa i-adhesive ekhethekileyo.
8. Uqhagamshelo lokubamba
Idla ngokubizwa ngokuba luqhagamshelo lwegrooved, le yindlela yoqhagamshelo ekhawulezayo efuna iibholiti ezimbini kuphela kwaye ifanelekile kwiivalvu ezinoxinzelelo oluphantsi ezihlala ziqhawuka. Ufakelo lwemibhobho yokudibanisa lubandakanya iindidi ezimbini eziphambili zeemveliso: ① izifakelo zemibhobho ezisebenza njengezitywina zoqhagamshelo zibandakanya amalungu aqinileyo, amalungu aguqukayo, iintambo zoomatshini kunye neeflange ezigrooved; ② izixhobo zombhobho ezisebenza njengotshintsho lonxibelelwano ziquka ingqiniba, iitiyi, iminqamlezo, isinciphisi, ipleyiti eyimfama, njl.
Ifomu yokudibanisa i-valve kunye nomgangatho zizinto ezibalulekileyo zokuqinisekisa ukusebenza okukhuselekileyo nokuthembekileyo kwe-valve kunye nenkqubo yombhobho. Xa ukhetha ifom yokudibanisa efanelekileyo, izinto ezifana nempahla yombhobho, uxinzelelo lokusebenza, uluhlu lweqondo lokushisa, indawo yokufakela, kunye neemfuno zokugcinwa kufuneka ziqwalaselwe ngokubanzi. Ngexesha elifanayo, imigangatho efanelekileyo kunye neenkcukacha kufuneka zilandelwe ngexesha lokufakwa kwenkqubo yokuqinisekisa ukuchaneka kunye nokutywinwa kokudibanisa ukuqinisekisa ukusebenza okuqhelekileyo kwenkqubo yepayipi yamanzi.