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Amavalvu Ebhola Ashiselwe Ngokugcwele (Uhlobo Olungcwatshwe Ngokuqondile)

Idatha Eyinhloko Yezobuchwepheshe:

Ububanzi begama: DN50~600mm

Isilinganiso sokucindezela: PN 25

Izinga lokushisa lokusebenza: izinga lokushisa elivamile

Uhlobo lokuxhuma: i-butt weld

Okujwayelekile: API, ASME, GB

I-Actuator: imanuwali, igiya lezikelemu, i-pneumatic, kagesi, i-hydraulic

Okuphakathi: amanzi, umoya, uwoyela, igesi yemvelo, igesi, igesi yamafutha kanye nolunye uketshezi


Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izici
 I-valve yebhola eshiselwe ucezu olulodwa, akukho ukuvuza kwangaphandle nezinye izinto.
▪ Ubuchwepheshe basekhaya obuhamba phambili, ukunganakekeli kanye nempilo ende yesevisi.
 Inqubo yokushisela ihlukile, inezimbotshana ezibalulekile, azinawo amabhamuza, umfutho ophakeme kanye nokuvuza kweqanda emzimbeni.
▪ Ukusebenzisa ibhola lensimbi engagqwali elisezingeni eliphezulu, isakhiwo sokuvala sohlobo lwe-double-layer support, ukusekelwa kwebhola kungokwesayensi futhi kunengqondo.
▪ I-gasket yenziwe nge-Teflon, i-nickel, i-graphite nezinye izinto, futhi i-carbonized.
▪ Umthombo wevalvu unezindleko eziphansi futhi kulula ukuwuvula nokusebenza.
 Ubude bomzimba wevalvu eshiselwe ngokuqondile bunganqunywa ngokuya ngokujula okugqitshiwe.
Ifakwe imbobo yokujova ugrisi ngendlela yevalvu yokuhlola engavimba isivalo sokuthambisa singabuyeli emuva ngaphansi kwengcindezi ephezulu.
 Ivalvu ifakwe izinto zokungena, ukudonsa amanzi kanye nokuvikela kuye ngokwezidingo zohlelo lwamapayipi.
▪ Imishini yokukhiqiza ye-CNC, ukwesekwa okuqinile kwezobuchwepheshe, ukufanisa okunengqondo kwesofthiwe nehadiwe.
▪ Usayizi we-butt weld ungaklanywa futhi ukhiqizwe ngokuya ngesicelo sekhasimende.
 

Ivalve Yebhola Eshiselwe Ngokugcwele (Ingcwatshwe Ngokuqondile Ngohlobo Lokufakwa Kwangaphambi Kokufukamela)

 Ukufakwa kwezicelo endaweni yokuhlinzeka ngokushisisa, ukupholisa kanye nezinhlelo zokufudumeza, igesi yedolobha.
▪ Okumaphakathi: amanzi, umoya, uwoyela kanye nolunye uketshezi olungahlangene ngamakhemikhali ne-carbon steel.

Ubukhulu
utyrkjhjg (2)
 
Ivalve Yebhola Eshiselwe Ngokugcwele (Uhlobo Olungcwatshwe Ngokuqondile Futhi Oluhlakazekile)

▪ Ukufakwa kwepayipi legesi yemvelo, igesi yedolobha.
▪ Okumaphakathi: igesi yemvelo, igesi yamalahle, igesi nolunye uketshezi olungasabelani ngamakhemikhali ne-carbon steel.

Ubukhulu

utyrkjhjg (4)

I-Buried Working Condition Design
▪ Kumavalvu asetshenziswa ngaphansi kwezimo ezingaphansi komhlaba, setha ama-valve extension rods, amapayipi okunwetshwa ukuze agcinwe (amapayipi okukhipha igesi nhlangothi zombili + amapayipi omjovo kagrisi ezinhlangothini zombili zesihlalo sevalvu + ipayipi lokukhucululwa kwendle ngaphansi kwe-valve body) namavalvu okulawula ukwenza indawo yokusebenza kwevalvu phansi Ingxenye engenhla kulula ukuyisebenzisa.I-asphalt emelana nokubola noma ukuvikelwa kwe-epoxy resin phezu kwe-valve, i-jumper yepayipi esendaweni kanye nezinyathelo zokuvikela izimo eziphuthumayo, zivumelanisa nendawo engcwatshiwe.

Ukufakwa
▪ Izingxenye zokushisela zawo wonke ama-valve ebhola ensimbi asebenzisa ukushisela ngogesi noma ukushisela ngesandla.Ukushisa okweqile kwegumbi le-valve kufanele kugwenywe.Ibanga phakathi kokuphela kwe-welding ngeke libe lifushane kakhulu ukuze kuqinisekiswe ukuthi ukushisa okukhiqizwa ohlelweni lokushisela ngeke konakalise izinto zokuvala.
▪ Wonke amavalvu kufanele avulwe ngesikhathi sokufakwa.

utyrkjhjg (5)

1. Izitini 2. Umhlabathi 3. Ukhonkolo


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