Iyini i-Stainless Steel Valve

A ivalvu yensimbi engagqwaliiyivalvu eyenziwe ngensimbi engagqwali. Ingasetshenziswa ukulawula ukugeleza kwezinhlobo ezahlukene zoketshezi, okuhlanganisa umoya, amanzi, umusi, izinto ezahlukahlukene ezibolayo, i-slurry, uwoyela, izinsimbi eziwuketshezi, kanye nezinto ezikhipha imisebe.

1. Ukubuka Okuyisisekelo kanye Nezinhlobo Eziyinhloko Zamavalvu Ensimbi Engagqwali

Incazelo kanye nezici eziyinhloko:

A ivalvu yensimbi engagqwaliiyivalvu enezingxenye zayo eziyinhloko, njengomzimba wevalvu kanye nesembozo sevalvu, ezenziwe ngensimbi engagqwali.

Luhlobo lwevalvu olungagqwali, olungagqwali, futhi olunokumelana okuhle nokucindezela.

Ububanzi bokucindezela kokusebenza kwamavalvu ensimbi engagqwali bungasukela ekucindezelweni okuphansi kakhulu okungu-0.0013MPa kuya ekucindezelweni okuphezulu kakhulu okungu-1000MPa, kanti ububanzi bokushisa obufanele bungasukela ekushiseni okuphansi kakhulu okungu--269℃ kuya ekushiseni okuphezulu okungu-1430℃. Ingalawula izinhlobo ezahlukene zoketshezi, okuhlanganisa amanzi, umusi, uwoyela, igesi, i-slurry, imidiya ehlukahlukene ebolile, izinsimbi eziwuketshezi, kanye noketshezi olunemisebe.

• Ukumelana Nokushisa Okuphezulu: Insimbi engagqwali inendawo yokuncibilika ephezulu futhi ingamelana nokusetshenziswa ezindaweni ezishisa kakhulu.
• Ukumelana Nokugqwala: Insimbi engagqwali ayithambekeli ekugqwaleni futhi ingamelana nokusetshenziswa kwezinto ezigqwalisayo.
• Ukumelana okuhle kakhulu nokucindezela: Insimbi engagqwali inamandla amakhulu nokuqina, okwenza ikwazi ukumelana nezimo ezicindezelayo kakhulu.

2. Ukuhlukaniswa kwama-Valve Ensimbi Engagqwali:

Amavalvu ensimbi engagqwali afika ngezinhlobo eziningi, ngezinhlobo ezivamile ezifaka:

2.1. Ukuhlukaniswa Ngokwezinhlobo Zevalvu:

• I-Valve yeSango leNsimbi Engagqwali
• I-Globe Valve Yensimbi Engagqwali
• I-Valve Yokuhlola Insimbi Engagqwali
• I-Stainless Steel Butterfly Valve
• I-Stainless Steel Ball Valve

Phakathi kwazo, amavalvu ebhola lensimbi engagqwali athola ukuvulwa nokuvalwa okusheshayo ngokujikeleza umongo wevalvu ngama-degree angu-90. Ngokusekelwe esakhiweni sawo, angahlukaniswa kabanzi abe izinhlobo ezintantayo, eziqinile, neziqinile.

2.2. Ukuhlukaniswa Ngokwezinto Zevalvu:

• Ivalvu ye-CF8 (Ivalvu engu-304)
• Ivalvu ye-CF8M (ivalvu engu-316)
• Ivalvu ye-CF3 (Ivalvu engu-304L)
• Ivalvu ye-CF3M (Ivalvu engu-316L)

Ezinye izinto ze-valve zensimbi engagqwali zifaka ama-valve angu-321, ama-valve angu-201, njll.

3. Kuyini Insimbi Engagqwali

Insimbi engagqwali isifinyezo sensimbi engagqwali kanye nensimbi engagqwali. Izinsimbi ezingamelani nezinto ezibuthakathaka ezigqwali njengomoya, umusi, namanzi, noma lezo ezinezakhiwo ezingamelani nokugqwala, zibizwa ngokuthi insimbi engagqwali. Izinsimbi ezingamelani nezinto ezingqwali zamakhemikhali (ama-asidi, ama-alkali, usawoti, njll.) zibizwa ngokuthi insimbi engamelani ne-asidi.

Ochwepheshe bezinsimbi bathuthukise amazinga amaningi amasha ensimbi ngokungeza izinto ezifana ne-Mo, i-Cu, i-Nb, ne-Ti ensimbini engagqwali noma ezintweni zokunciphisa ezifana ne-C, i-Si, i-Mn, i-S, ne-F, ngezinjongo ezahlukene kanye nokusetshenziswa. Ukuqina kwemvula (ukuqina kwe-sedimentation) insimbi engagqwali kanye nensimbi engagqwali ephindwe kabili nakho kuye kwathuthukiswa ngempumelelo.

Qaphela: Izinto zensimbi engagqwali ezivame ukusetshenziswa kuma-valve zifaka phakathi i-CF8, i-CF8M, i-CF3, kanye ne-CF3M. Kukhona nezinsimbi ze-super duplex, njenge-4A, i-5A, kanye ne-6A.

Izici zensimbi engagqwali

• Ukumelana okuhle nokugqwala: Amavalvu ensimbi engagqwali anokumelana okuhle kakhulu nokugqwala, amelana nokuguguleka kwezinto zamakhemikhali ezahlukahlukene futhi afanelekela imidiya nezindawo ezahlukahlukene.
• Ukusebenza Okuhle Kakhulu Kokuvala: Ama-valve ensimbi engagqwali asebenzisa izinto eziguquguqukayo njengendawo yokuvala, afinyelela ukusebenza okuhle kakhulu kokuvala futhi avimbele ngempumelelo ukuvuza koketshezi.
• Amandla Aphezulu Nokumelana Nokuguguleka: Izinto zevalvu yensimbi engagqwali zinamandla aphezulu, okwenza zikwazi ukumelana nokusetshenziswa ngaphansi kwezingcindezi ezihlukahlukene. Ngesikhathi esifanayo, amavalvu ensimbi engagqwali abonisa ukumelana okuhle kakhulu nokuguguleka, okuvumela ukusetshenziswa kwesikhathi eside ngaphandle komonakalo omkhulu.
• Kujabulisa Ngokwemvelo Futhi Kulula Ukuwahlanza: Amavalvu ensimbi engagqwali anokubukeka okuhle kanye nendawo ekhanyayo, ecwebezelayo, okwenza kube lula ukuwahlanza nokuyinakekela.
• Ukusebenza Okubanzi: Amavalvu ensimbi engagqwali angakhethwa ngokusekelwe ezimweni ezithile zokusetshenziswa kanye nezici zoketshezi, okunikeza ukusebenza okubanzi.

4. Izici Zokukhetha Amavalvu Ensimbi Engagqwali Nokucatshangelwa

4.1. Ukuhlaziywa Kwendawo Esebenzayo kanye Nezemvelo:

Izinto eziyinhloko okufanele zicatshangelwe ekukhetheni ukugqwala, izinga lokushisa, ingcindezi, kanye nesivinini sokugeleza kwe-medium. Isibonelo, ezindaweni eziqukethe ama-ion e-chloride (njengamanzi olwandle noma usawoti) noma imidiya yamakhemikhali egqwala kakhulu, insimbi engagqwali engu-316 noma engu-316L engagqwali kakhulu kufanele ibekwe phambili kunensimbi engagqwali evamile engu-304.

4.2. Ukukhethwa Kwezinto Zensimbi Engagqwali:

Amazinga ahlukene ensimbi engagqwali abonisa umehluko omkhulu wokusebenza, adinga ukufana okunembile ngokusekelwe ezimweni zokusebenza.

• Insimbi Engagqwali engu-304: Iqukethe i-chromium engu-18% kanye ne-nickel engu-8% (insimbi engagqwali engu-18/8), enokumelana okuhle nokugqwala kanye nezakhiwo zemishini, efanelekile ezindaweni eziningi ezingezona ezeqile, njengokuhlinzekwa kwamanzi kamasipala, imboni yokudla, kanye nezinhlelo ze-HVAC. Amandla ayo okubamba ≥520MPa kanye nokunwebeka ≥40%.
• Insimbi Engagqwali engu-316/316L: Ngokusekelwe ku-304, i-molybdenum (Mo) iyengezwa, okuthuthukisa kakhulu ukumelana nokugqwala, ikakhulukazi ukumelana nokugqwala okufaka imigodi. Ifanelekela ubunjiniyela basolwandle, ukukhishwa kukasawoti emanzini olwandle, amathangi okugcina amakhemikhali, kanye nezinye izindawo eziqukethe ama-ion e-chloride noma ezinokugqwala okunamandla. I-316L inokuqukethwe okuphansi kwekhabhoni (≤0.03%), okuvimbela ngempumelelo ukugqwala kwe-intergranular ngemva kokugqwala, okwenza ifaneleke kuma-valve amakhulu adinga ukugqwala.
• 3. Ezinye Izinto: Ezingxenyeni ezidinga amandla aphezulu kanye nokumelana nokuguguleka (njengeziqu ze-valve kanye nama-core e-valve), insimbi engagqwali ye-martensitic (njenge-410) ingasetshenziswa; ezimweni ezimbi kakhulu zokucindezela okuphezulu, ukugqwala okuphezulu, kanye nesivinini sokugeleza okuphezulu (njengokukhipha uwoyela negesi), insimbi engagqwali ye-duplex (njenge-2205), enamandla aphindwe kabili kune-304, ingacatshangelwa.

4.3. Amapharamitha e-Valve kanye Nezidingo Zokuvala:

Usayizi wevalvu ofanele (i-nominal diameter DN) kumele ukhethwe ngokusekelwe kusayizi wepayipi kanye nezidingo zokugeleza kohlelo, futhi kumele uhambisane ngokuqinile nesilinganiso sokucindezela kokusebenza kohlelo. Ukusebenza kokuvala kuthinta ngqo ukusebenza; ngakho-ke, isakhiwo sokuvala esifanele kanye nezinto zokwakha (njengezimbobo ezithambile ze-PTFE noma izimbobo eziqinile ze-alloy) kufanele zikhethwe ngokuya ngezici zendlela yokusebenza.

5. Izici kanye nokusetshenziswa kwama-Valve Ensimbi Engagqwali

5.1. Izici Zesakhiwo Nokuhlukaniswa:

Ngaphandle kokwahlukaniswa ngesakhiwo ngezinhlobo ezintantayo, eziqinile, neziqinile, amavalvu ebhola lensimbi engagqwali angahlukaniswa futhi ngokwakhiwa komzimba wamavalvu abe yingcezu eyodwa (imbobo encishisiwe, isakhiwo esiqinile), izingcezu ezimbili (imbobo egcwele), kanye nezingcezu ezintathu (isakhiwo esihlanganisiwe, ukuqaqwa okulula nokugcinwa, ukumelana nokucindezela okuphezulu). Ububanzi obujwayelekile bubanzi, ngokuvamile kusukela ku-DN15 kuya ku-DN200.

5.2. Izinzuzo Zokusebenza:

• Ukumelana Nokugqwala: Amavalvu ensimbi engagqwali anokumelana okuhle kakhulu nokugqwala, okuwavumela ukuthi amelane nokusetshenziswa kwezinto ezigqwalisayo futhi aqinisekise ukuphepha kwezinhlelo zamapayipi.
• Ukumelana Nokushisa Okuphezulu: Amavalvu ensimbi engagqwali anokumelana nokushisa okuphezulu, okuwavumela ukuthi amelane nokusetshenziswa ezindaweni ezinokushisa okuphezulu futhi aqinisekise ukuzinza kwezinhlelo zamapayipi.
• Ukumelana Nokucindezela Okuhle: Amavalvu ensimbi engagqwali anokumelana okuhle kakhulu nokucindezela, okuwavumela ukuthi amelane nokusetshenziswa ezindaweni ezinomfutho ophezulu futhi aqinisekise ukuphepha kwezinhlelo zamapayipi.
• Ukumelana Nokugqwala: Amavalvu ensimbi engagqwali awakwazi ukugqwala, okwandisa isikhathi sawo sokusebenza futhi kunciphisa izindleko zokulungisa.

Ngamafuphi, ngenxa yokusebenza kwawo okuhle kakhulu, amavalvu ensimbi engagqwali abambe isikhundla esibalulekile embonini yamavalvu. Amavalvu ensimbi engagqwali asetshenziswa kabanzi ukuthuthukisa ukuphepha nokuzinza kwezinhlelo zamapayipi nokunciphisa izindleko zokulungisa.

6. Izindawo Zokufaka Isicelo

Amavalvu ensimbi engagqwali asetshenziswa kabanzi kumakhemikhali, amakhemikhali kaphethiloli, uphethiloli, ukwenza amaphepha, ukumbiwa kwemigodi, ugesi, igesi elicwengekile, ukudla, imithi, ukuhlinzekwa kwamanzi kanye nokuthuthwa kwamanzi, imishini kamasipala, imishini yemishini, i-elekthronikhi, kanye nezimboni zokwakha zasemadolobheni. Ayingxenye ebalulekile yokulawula ezinhlelweni zokuthutha uketshezi lwamapayipi, asetshenziselwa ukushintsha indawo enqamulayo yendlela kanye nesiqondiso sokugeleza kwemidiya, futhi anemisebenzi efana nokuqondisa, ukuvala, ukulawula, ukugoqa, ukuhlola amavalvu, ukuphambukisa, noma ukukhulula ukucindezeleka okuchichimayo.

7. Izinyathelo Zokuqapha

Uma ukhetha ama-valve ensimbi engagqwali, izinto ezifanele kanye nemodeli kufanele kukhethwe ngokusekelwe endaweni ethile yokusebenza kanye nezici zemidiya.

Amavalvu ensimbi engagqwali kufanele asetshenziswe ngokuqinile ngokuhambisana nezimfuneko ezifanele ngesikhathi sokufakwa nokugcinwa kwawo ukuqinisekisa ukusebenza kwawo okuvamile kanye nempilo yawo yesevisi.

Hlola futhi ulondoloze amavalvu ensimbi engagqwali njalo ukuze uthole ngokushesha futhi uxazulule izinkinga ezingaba khona kanye nokungasebenzi kahle.

Amaphuzu Okufaka Nokulungisa: Ngesikhathi sokufaka, isiqu se-valve kufanele siqonde phezulu, futhi intambo yokuphakamisa kufanele ixhunywe ku-flange, hhayi ku-handwheel noma ku-valve stem. Ukuze uvimbele ukugqwala, gwema ukuklwebha indawo ngesikhathi sokufaka nokusebenzisa. Ngemva kokushisela, kufanele kwenziwe ukwelashwa kokukhuhla kanye nokwelula ngesikhathi ukuze kubuyiselwe ifilimu evikelayo. Ezindaweni ezigqwalisayo, kunconywa ukuhlanza njalo nokugcina i-valve yomile.

8. Isifinyezo

Amavalvu ensimbi engagqwali athandwa kakhulu ngenxa yokusebenza kwawo okuhle kakhulu kanye nobubanzi bezicelo. Lapho ukhetha futhi usebenzisa amavalvu ensimbi engagqwali, izici ezifana nezinto zokwakha, imodeli, indawo yokusebenza, kanye nezidingo zokufakwa nokugcinwa kufanele zicatshangelwe ngokugcwele.