Ama-valve ebhola lenyunyana yeqiniso alinganiswa ngosayizi wepayipi lokuzisholo (NPS) axhumeka kuwo, njengokuthi 1/2″, 1″, noma 2″. Lo sayizi ubhekisela kububanzi bangaphakathi bepayipi elifanayo, hhayi ubukhulu bomzimba be-valve, okuqinisekisa ukulingana okuphelele.

Lokhu kulinganisa kubonakala kulula, kodwa kulapho amaphutha amaningi enzeka khona. Uzakwethu e-Indonesia, uBudi, ukwazi kahle lokhu. Amakhasimende akhe, kusukela kosonkontileka abakhulu kuya kubathengisi bendawo, abakwazi ukukhokhela ukungafani esizeni. I-oda elilodwa elingalungile lingaphazamisa lonke uchungechunge lokuhlinzeka nomugqa wesikhathi wephrojekthi. Yingakho sihlale sigxile ekucaciseni. Ake sihlukanise imibuzo evame kakhulu mayelana nalawa ma-valve abalulekile ukuze siqinisekise ukuthi wonke ama-oda alungile kwasekuqaleni.

Iyini i-valve yebhola lenyunyana yeqiniso?

I-valve iyahluleka, kodwa inamathiselwe unomphela emugqeni. Manje kufanele ukhiphe lonke uhlelo bese usika ingxenye yonke yepayipi ukuze nje ulungiseke kalula.

I-valve yebhola lenyunyana yeqiniso iyidizayini eneziqephu ezintathu. Inomzimba omaphakathi ongasuswa kalula ukuze ulungiswe noma ushintshwe ngokuqaqa amantongomane “enyunyana” amabili, ngaphandle kokuthi kunqanyulwe ipayipi elixhunyiwe.

Ake sihlukanise ukuthi kungani lo mklamo ubaluleke kangaka kochwepheshe. Ingxenye "yenyunyana yeqiniso" ibhekisela ngokuqondile ekuxhumekeni kwezinhlangothi zombili zevalvu. Ngokungafani nendinganisoi-valve ehlangeneokungukuthi i-solvent-welded ibe umugqa, ai-valve ye-union yeqinisoinezingxenye ezintathu ezihlukene ezingahlukaniswa.

Izingxenye Ezibalulekile

• Ama-tailpieces amabili:Lezi yiziphetho ezinamathele unomphela kumapayipi, ngokuvamile nge-solvent welding ye-PVC. Bakha uxhumano oluzinzile kusistimu yakho.
• I-One Central Body:Lona umnyombo we-valve. Iqukethe indlela yebhola, isiqu, isibambo, nezimpawu. Ihlala ngokuvikelekile phakathi kwama-tailpieces amabili.
• Amantongomane Amabili Enyunyana:Lamantongomane amakhulu, anentambo awumlingo. Zishelela phezu kweziqephu zomsila bese zikulufela emzimbeni omaphakathi, zidonsa yonke into futhi zidale ukucinana,uphawu olungangeni manzinge-O-rings.

Lokhudesign Modulariyinhlangano eshintshayo ukuze ilungiswe. Uvele ukhulule amantongomane, bese wonke umzimba we-valve uphakamisela ngaphandle. Lesi sici siyinani eliyinhloko esilinikezayo kwa-Pntek—idizayini ehlakaniphile elondoloza abasebenzi, imali, nesikhathi sokuphumula sesistimu.

Ungasho kanjani ukuthi i-valve yebhola iyini?

Une-valve esandleni sakho, kodwa azikho izimpawu ezisobala. Udinga uku-oda okunye esikhundleni, kodwa ukuqagela usayizi iresiphi yamaphutha abizayo nokubambezeleka kwephrojekthi.

Usayizi we-valve yebhola cishe njalo uqoshwe noma uphrintiwe ngqo emzimbeni we-valve. Bheka inombolo elandelwa “yintshi” (“) noma “DN” (I-Diameter Nominal) yamasayizi wemethrikhi. Le nombolo ihambisana nosayizi wepayipi olingana naye.

Ukulinganisa kwe-valve kusekelwe ohlelweni olubizwa ngokuthiUsayizi Wepayipi Lokuqamba (NPS). Lokhu kungase kudideke ekuqaleni ngoba inombolo ayisona isilinganiso esiqondile sanoma iyiphi ingxenye ethile yevalvu ngokwayo. Kuyireferensi evamile.

Ukuqonda Izimpawu

• Usayizi Wepayipi Lokuqamba (NPS):Kumavalvu e-PVC, uzobona osayizi abajwayelekile abafana no-1/2″, 3/4″, 1″, 1 1/2″, 2″, njalo njalo. Lokhu kukutshela ukuthi yakhelwe ukuthi ingene epayipini elinalowo sayizi wezinga elifanayo. Ngamafuphi, i-valve engu-1″ ilingana nepayipi elingu-1″. Kuqondile lokho.
• I-Diameter Nominal (DN):Ezimakethe ezisebenzisa izindinganiso zemethrikhi, ngokuvamile uzobona amamaki e-DN esikhundleni salokho. Isibonelo, i-DN 25 ilingana ne-metric ye-NPS 1″. Kumane kuyindlela ehlukile yokuqamba amasayizi wamapayipi asezingeni elifanayo embonini.

Uma uhlola i-valve, hlola isibambo noma umzimba oyinhloko. Usayizi uvame ukubunjwa ngqo epulasitiki. Uma kungenazimpawu nhlobo, okuwukuphela kwendlela eqinisekile ukukala ububanzi bangaphakathi besokhethi yevalvu, okuyilapho ipayipi liya khona. Lesi silinganiso sizofana eduze nobubanzi obungaphandle bepayipi elihloselwe lona.

Uyini umehluko phakathi kwe-single union kanye nama-valve amabhola e-double union?

Uthenge ivalvu “yenyunyana” ulindele ukususwa kalula. Kodwa uma uzama ukusevisa, uthole ukuthi lulodwa uhlangothi olukhumulayo, okuphoqa ukuthi ugobe futhi ucindezele ipayipi ukuze liphume.

Ivalvu yenyunyana eyodwa inenadi elilodwa lenyunyana, elivumela ukunqanyulwa ohlangothini olulodwa lwepayipi. I-valve yebhola yezinyunyana ezimbili (noma inyunyana yeqiniso) inamantongomane amabili enyunyana, avumela umzimba ukuthi ususwe ngokuphelele ngaphandle kokugcizelela ipayipi.

Lo mehluko ubaluleke kakhulu ekusebenzeni kweqiniso kanye nomsebenzi wobungcweti. Nakuba i-valve yenyunyana eyodwa ingcono kancane kunevalvu ehlangene evamile, ayinikezi ukuguquguquka okugcwele okudingekayo ekunakekeleni isikhathi eside.

Kungani i-Double Union iyiProfessional Standard

• I-Single Union:Ngenati elilodwa lenyunyana, uhlangothi olulodwa lwe-valve lugxilwe unomphela ekugcineni kwepayipi. Ukulikhipha, uqaqa inadi elilodwa, kodwa-ke kufanele ulidonse noma uligobise ipayipi ukuze ukhiphe ivalvu. Lokhu kubeka ingcindezi enkulu kokunye ukufakwa futhi kungabangela ukuvuza okusha phansi komugqa. Kuyisixazululo esingaphelele esingadala izinkinga eziningi.
• I-Double Union (Inyunyana Yeqiniso):Leli izinga lochwepheshe kanye nalokho esikukhiqiza e-Pntek. Ngamantongomane amabili enyunyana, kokubili ukuxhunywa kwamapayipi kungaxegiswa ngokuzimela. Umzimba we-valve ungabe usuphakanyiswa uqonde phezulu futhi uphume emugqeni ngaphandle kwengcindezi kumapayipi. Lokhu kubalulekile uma i-valve ifakwe endaweni eqinile noma ixhunywe ezintweni ezibucayi njengepompo noma isihlungi.

Ungakanani usayizi ojwayelekile we-valve yebhola egcwele?

Ufake i-valve, kodwa manje umfutho wamanzi ohlelweni ubonakala uphansi. Uyabona ukuthi imbobo engaphakathi kwe-valve incane kakhulu kunepayipi, idala ibhodlela elivimbela ukugeleza.

Ku-valve yebhola egcwele ibhore (noma imbobo egcwele), ubukhulu bembobo ebholeni bunjiniyela ukuze bufane nobubanzi obungaphakathi bepayipi. Ngakho-ke, i-valve engu-1″ egcwele ibhore inembobo ephinde ibe ngu-1″ ububanzi, iqinisekisa ukuthi akukho ukugeleza okuziro.

Igama "isithukuthezi esigcwele” ibhekisela ekwakhiweni kwangaphakathi nokusebenza kwevalvu, hhayi usayizi wayo wangaphandle wokuxhuma. Kuyisici esibalulekile ekusebenzeni kahle ezinhlelweni eziningi.

I-Full Bore vs. Standard Port

• I-Bore Egcwele (Imbobo Egcwele):Imbobo edlula ebholeni ilingana nobukhulu obungaphakathi (ID) bepayipi exhunywe kulo. Ku-valve engu-2″, imbobo nayo ingu-2″. Lo mklamo wenza indlela ebushelelezi, engavimbeki ngokuphelele yoketshezi. Lapho i-valve ivuliwe, kuba sengathi ayikho ngisho nalapho. Lokhu kubalulekile kumasistimu lapho udinga ukwandisa ukugeleza futhi unciphise ukwehla kwengcindezi, njengezintambo ezinkulu zamanzi, amaphampu angenayo, noma amasistimu okukhipha amanzi.
• Imbobo Ejwayelekile (Imbobo Encishisiwe):Kulo mklamo, imbobo ebholeni isayizi eyodwa encane kunosayizi wepayipi. I-valve yembobo engu-1″ ejwayelekile ingase ibe nomgodi ongu-3/4″. Lo mkhawulo omncane uyamukeleka ezinhlelweni eziningi futhi wenza ivalvu ngokwayo ibe mncane, ibe lula, futhi ingabizi kakhulu ukuyikhiqiza.

E-Pntek, ama-valve ethu ebhola eqiniso agcwele isibhobo. Sikholelwa ekunikezeni izixazululo ezithuthukisa ukusebenza kwesistimu, hhayi ukuyivimba.

Isiphetho

Amasayizi amavalvu ebhola ahlangene ahambisana nepayipi elilingana nawo. Ukukhetha inyunyana ephindwe kabili, idizayini egcwele ibhore iqinisekisa ukugcinwa okulula kanye nokuvinjelwa kokugeleza okuyiziro kwesistimu ethembekile, yobungcweti.