1. Ivalvuisimiso sokukhetha:
Ivalvu ekhethiwe kufanele ihlangabezane nezimiso ezilandelayo eziyisisekelo.
(1) Ukuphepha nokuthembeka kwe-petrochemical, isiteshi sikagesi, i-metallurgy kanye nezinye izimboni kudinga ukusebenza okuqhubekayo, okuzinzile, nomjikelezo omude. Ngakho-ke, i-valve kufanele ibe nokuthembeka okuphezulu, isici sokuphepha, hhayi ngenxa yokwehluleka kwe-valve okubangelwe ukuphepha okukhulu kokukhiqiza kanye nengozi yokulimala komuntu siqu, ukuhlangabezana nesidingo sokusebenza komjikelezo omude wedivayisi, ukukhiqizwa okuqhubekayo komjikelezo omude kuyinzuzo, ngaphezu kwalokho, ukunciphisa noma ukugwema ukuvuza okubangelwa yi-valve, ukudala ifektri ehlanzekile, ephucukile, ukuphathwa kwe-HsE (okungukuthi, impilo, ukuphepha, imvelo).
(2) Ukuze kuhlangatshezwane nezidingo ze-valve yokukhiqiza inqubo, kufanele kuhlangatshezwane nokusetshenziswa kwengcindezi yokusebenza, izinga lokushisa lokusebenza kanye nezidingo zokusetshenziswa, okuyizidingo eziyisisekelo zokukhetha i-valve. Uma kudingeka indima yokuvikela i-valve ngokweqile, khipha i-medium eyeqile, kufanele ukhethe i-valve yokuphepha, i-valve yokugcwala, kudingeka kuvinjelwe inqubo yokusebenza yokugeleza okuphakathi, kufanele kusetshenziswe i-valve yokuhlola, kudingeka kususwe ngokuzenzakalelayo ipayipi lomusi kanye nemishini ye-condensate, umoya kanye nezinye igesi ezingakwazi ukufinyeza, futhi ukuze kuvinjelwe ukuphuma kwe-steam, kufanele kukhethwe i-valve yokukhipha amanzi. Ngaphezu kwalokho, uma i-medium igqwala, kufanele kukhethwe izinto ezinhle zokumelana nokugqwala.
(3) Ngemva kokusebenza, ukufakwa, ukuhlolwa (ukulungiswa) kokulungiswa kwevalvu, umqhubi kufanele akwazi ukubona kahle indlela yevalvu, izimpawu zokuvula, izimpawu zokubonisa, kube lula ukuyisingatha ngesikhathi esifanele futhi axazulule amaphutha ahlukahlukene ezimo eziphuthumayo. Ngesikhathi esifanayo, isakhiwo sohlobo lwevalvu esikhethiwe kufanele sibe lula ngangokunokwenzeka, ukufakwa, ukuhlolwa (ukulungiswa) ukulungiswa kube lula ngangokunokwenzeka.
(4) Umnotho Ngenxa yokuhlangabezana nokusetshenziswa okuvamile kwamapayipi enqubo, amavalvu anezindleko zokukhiqiza eziphansi kakhulu kanye nesakhiwo esilula kufanele akhethwe ngangokunokwenzeka ukuze kuncishiswe izindleko zedivayisi, kugwenywe ukumoshwa kwezinto zokusetshenziswa kwamavalvu futhi kuncishiswe izindleko zokufakwa nokugcinwa kwamavalvu esigabeni esilandelayo.
2. Izinyathelo zokukhetha ivalvu:
Ama-valve akhethiwe ngokuvamile alandela izinyathelo ezilandelayo.
1. Nquma isimo sokusebenza sevalvu ngokuya ngokusetshenziswa kwevalvu kudivayisi noma epayipini lenqubo. Isibonelo, indawo yokusebenza, ingcindezi yokusebenza kanye nezinga lokushisa lokusebenza, njll.
2. Nquma izinga lokusebenza kokuvala kwevalvu ngokuya ngendawo yokusebenza, indawo yokusebenza kanye nezidingo zomsebenzisi.
3. Nquma uhlobo lwevalvu kanye nemodi yokushayela ngokwenhloso yevalvu. Izinhlobo ezifana nevalvu yokusika, ivalvu yokulawula, ivalvu yokuphepha, amanye amavalvu akhethekile, njll. Imodi yokushayela njengeworm wheel worm, kagesi, umoya, njll.
4. Khetha ngokwemigomo ye-valve. Ingcindezi ye-nominal kanye nosayizi we-valve kufanele kuhambisane nepayipi yenqubo efakiwe. I-valve ifakwe epayipini yenqubo, ngakho-ke isimo sayo sokusebenza kufanele sihambisane nokukhethwa komklamo wepayipi yenqubo. Ngemva kokuba uhlelo olujwayelekile kanye nomfutho we-nominal wepayipi sekunqunyiwe, ingcindezi ye-nominal ye-valve, usayizi we-nominal kanye nomklamo we-valve kanye nezindinganiso zokukhiqiza kunganqunywa. Amanye ama-valve anquma usayizi we-nominal we-valve ngokuya ngesilinganiso sokugeleza noma ukukhishwa kwe-valve ngesikhathi esilinganiselwe se-medium.
5. Nquma uhlobo lokuxhumanisa lwendawo yokugcina ivalvu kanye nepayipi ngokwezimo zokusebenza zangempela kanye nosayizi ojwayelekile wevalvu. Njenge-flange, i-welding, i-clip noma intambo, njll.
6. Nquma isakhiwo kanye nesimo sohlobo lwevalvu ngokuya ngendawo yokufaka, isikhala sokufaka, kanye nosayizi ojwayelekile wevalvu. Njengevalvu yesango lenduku emnyama, ivalvu yembulunga ye-angle, ivalvu yebhola elungisiwe, njll.
7. Ngokwezici zendlela ephakathi nendawo, ingcindezi yokusebenza kanye nokushisa kokusebenza, ekukhetheni okulungile nokunengqondo kwegobolondo le-valve nezinto zangaphakathi.
Ngaphandle kwalokho,I-Tianjin Tanggu Water Seal Valve Co., Ltd. iyivalvu yesihlalo enwebekayo ethuthukisiwe kwezobuchwepheshe esekela amabhizinisi, imikhiqizo iyivalvu yesihlalo esinwebekayo esinamaqabunga ebhulashi,ivalvu yebhabhathane le-lug, ivalvu yebhabhathane eliyindilinga eliphindwe kabili, ivalvu yebhabhathane engavamile ene-flange ephindwe kabili, ivalvu yokulinganisela,i-valve yokuhlola ipuleti eliphindwe kabili le-wafer, i-Y-Strainer njalo njalo. Kwa-Tianjin Tanggu Water Seal Valve Co., Ltd., siyaziqhenya ngokuhlinzeka ngemikhiqizo yekilasi eliphezulu ehlangabezana nezindinganiso eziphakeme kakhulu embonini. Ngobubanzi bethu bama-valve kanye nokufakwa, ungasithemba ukuthi sizokunikeza ikhambi elifanele lohlelo lwakho lwamanzi. Xhumana nathi namuhla ukuze ufunde kabanzi ngemikhiqizo yethu nokuthi singakusiza kanjani.
Isikhathi sokuthunyelwe: Septhemba-26-2023
