Abakhiqizi Abahle Kakhulu Be-Trunnion Ball Valve eShayina – Umhlahlandlela Womthengi

Ukukhiqizwa kwe-Trunnion Ball Valve eShayina: Umhlahlandlela Womthengi Wabaphakeli Bekhwalithi

Uma wake wathola ama-valve ezimboni, usuvele uyazi ukuthi “Amavalvu Ebhola Le-Trunnion"kanye" nama-floating ball valves - nakuba womabili abizwa ngokuthi ama-ball valves - ayizilwane ezihluke ngokuphelele uma kukhulunywa ngamapayipi anomfutho ophezulu, anobubanzi obukhulu.

A ivalvu yebhola le-trunnionIbhola layo liqiniswe phezulu nangaphansi ngama-bearings, ukuze lingacindezelwa phambili yingcindezi yomugqa njengoba kwenza i-floating ball valve. Kusho ukuthini lokho empeleni? I-torque yokusebenza ephansi, ukuvala okuthembekile - ikakhulukazi emigqeni yokudlulisa igesi yemvelo, amayunithi okuhlanza, kanye nezinye izinsizakalo lapho i-Class 1500 noma i-Class 2500 kuyinto evamile. Kulezo zimo, ama-trunnion ball valve cishe ayiyona kuphela inketho.

Umklamo webhola eliqinile usho ukuthi izivalo zigcwele i-spring futhi zinamandla okucindezela - uma ingcindezi iphezulu, isivalo siqina kakhulu. Ithiyori ilula, kodwa ukuthola ukubekezelelana okufanele, ukukhetha izinto ezifanele, nokwenza ukuhlolwa okuphelele - yilapho inselele yangempela ikhona, futhi akuwona wonke abakhiqizi baseShayina abangaletha khona.

IShayina isihambe ngokushesha kulesi sikhala. IWenzhou (Zhejiang), iWuxi (Jiangsu), kanye neTianjin zakhe amaqoqo ezimboni aphelele ama-valve. Kusukela ekubunjweni nasekufakweni kwemishini kuya ekuhlanganisweni nasekuhlolweni, amafektri amaningi aphatha yonke into ngaphakathi, enikeza izikhathi zokuhola eziyingxenye yalezo zabahlinzeki baseYurophu, ngokuvamile ngamanani ancintisanayo.

Kodwa futhi yileyo inkinga - baningi kakhulu abahlinzeki, futhi ikhwalithi iyahlukahluka kakhulu.

Eminyakeni embalwa edlule, sisebenze nezimboni eziningi zasekhaya ze-trunnion ball valve. Ezinye ziyaqinisekisa ngempela - izitifiketi zazo ze-API 6D ziyasebenza, imibiko yokuhlola iphelele, futhi zithumela amavidiyo okuhlola avela eceleni ngaphambi kokuthunyelwa. Nokho, ezinye azikwazi ngisho nokunikeza ukulandelelwa okufanele kwezinto, futhi izitifiketi zazo ze-NACE MR0175 ngezinye izikhathi zithathwa njengezithombe.

Lesi sihloko asilona olunye uhlu “lwabayishumi abaphezulu” – ungathola amakhulu alabo ku-inthanethi. Esikhundleni salokho, ngifuna ukwabelana ngezimboni ezimbalwa esizisebenzele futhi sazithola ziphawuleka. Ngizokutshela ukuthi ngayinye iphumelela kangakanani, imaphi amaphrojekthi afaneleka kakhulu, nokuthi yiziphi izingibe okufanele uziqaphele.

1. Okokuqala, Cacisa Okudingayo: Amapharamitha Ayisihluthulelo Ama-Trunnion Ball Valve

Ngaphambi kokusondela kunoma iyiphi ifektri, cacisa la maphuzu:

Isilinganiso sokucindezela– Isigaba 150 kuya ku-2500 siwuhlu olukhulu. Izingcindezi eziphakeme zidinga amazinga aphezulu kakhulu ekubunjweni nasekusebenzeni.

Ububanzi bosayizi– Ngaphansi kwamasentimitha amabili uma kuqhathaniswa namasentimitha angaphezu kwama-24 – izimboni ezingabhekana nalokhu zivame ukuhluka ngokuphelele. Amavalvu ebhola amakhulu adinga ukunemba okukhulu komshini wokugaya; ngisho nokuphambuka okuncane ekujikelezeni kwebhola noma ukulingana kwesihlalo kungabangela ukuvuza okungamukeleki.

Izinto– Insimbi yekhabhoni, insimbi engagqwali, i-duplex, ithusi le-aluminium – ukubiza okuhlukile kwemidiya yama-alloy ahlukene. Uma ubhekene nesevisi emuncu, kufanele uqinisekise ukuthi umhlinzeki uyayithobela i-NACE MR0175 / MR0103.

Izidingo zokuphepha emlilweni– Isitifiketi se-API 607 ​​noma se-API 6FA asiphethwe yibo bonke abakhiqizi. Uma iphrojekthi yakho idinga lokho, buza kusengaphambili.

I-Actuator– Imishini esetshenziswa ngesandla, i-gearbox, i-pneumatic, kagesi, noma i-hydraulic? Ama-actuator ahlukene adinga imiklamo ehlukene ye-interface yama-valve.

Lungisa le mininingwane ngaphambi kokuthi uqale ukuxhumana nabaphakeli - kuzokwenza ukuxhumana kube ngcono kakhulu.

2. Isimo Sesifunda Sokukhiqiza Ama-Valve Ebhola E-Trunnion Engcono Kakhulu eShayina

I-Wenzhou (Yongjia)– Eyaziwa ngokuthi “iValve Town” yaseShayina, leli yiqembu lezimboni eliphelele kakhulu. Kusukela ekubunjweni kuya ekuqedeni kuya ekuhlanganisweni, cishe konke kungatholakala ngaphakathi kwamakhilomitha ambalwa. Izinzuzo uchungechunge lokuphakelwa oluvuthiwe kanye nokulawulwa kwezindleko; ububi ukuthi ikhwalithi iyahlukahluka kakhulu, ngakho-ke udinga ukuqaphela ekukhetheni kwakho.

I-Wuxi– Igxile ekukhiqizeni okunembile kanye nokukhiqiza okuqondiswe ekuthumeleni kwamanye amazwe. Izimboni eziningi lapha ziqonda kahle amazinga e-API kanye ne-ASME futhi ziwasebenzisa kahle.

I-Tianjin– Eduze nechweba, okwenza kube lula ukuthumela impahla kwamanye amazwe; inamandla ensimbi yekhabhoni kanye namavalvu ensimbi e-alloy.

Ukwazi le ndawo kuzokusiza ukuthi wahlulele ukuthi isilinganiso sinengqondo yini – amanani entengo kaWenzhou avame ukuba phansi kancane kunekaWuxi, kodwa uma isilinganiso siphansi ngendlela emangalisayo, lokho kufanele kuphakamise ifulege elibomvu.

3. Abakhiqizi Abahle Kakhulu Be-Trunnion Ball ValveKufanele Uqaphele

3.1 Inkampani ye-NSW VALVE (iWenzhou Newsway Valve Co., Ltd.)

I-NSW ingenye yabakhiqizi esisebenze nabo kaningi endaweni yamavalvu ebhola le-trunnion. Banolwazi olungaphezu kweminyaka engama-20 embonini.

Amakhono omkhiqizo– Osayizi kusukela ku-½″ kuya ku-48″ (DN15 kuya ku-DN1200), izilinganiso zokucindezela kusukela ku-Class 150 kuya ku-Class 2500, izinga lokushisa lisukela ku-‑196°C kuya ku-+550°C. Izinto zokwakha zimboza insimbi yekhabhoni, insimbi engagqwali, insimbi ye-duplex, ithusi le-aluminium, kanye nama-alloy akhethekile. Zinikeza imiklamo yomzimba yokungena eceleni, yokungena phezulu, kanye neyokushintshwa ngokuphelele ukuze kuhambisane nezidingo ezahlukene zephrojekthi.

Izitifiketi– I-API 6D, i-API 6FA/607 ephephile emlilweni, i-ISO 9001, kanye ne-NACE MR0175/MR0103 yesevisi emuncu. Ukuze uthole i-trunnion ball valve, sincoma ukuhlola ngayinye yalezi zitifiketi ngokucophelela – ukungabi nazo kungasho ukuthi i-valve ayifaneleki ezimweni ezithile zokusebenza.

Amandla– Amavalvu abo ebhola le-trunnion ahlanganiswe ngokugcwele aqinile kakhulu – umzimba wensimbi eyakhiwe ngezingcezu ezintathu uhlanganiswe esakhiweni esisodwa esihlanganisiwe, okususa ukuxhumana kwe-flange ngaleyo ndlela kube yingozi yokuvuza kwe-flange. Lawa asetshenziswa kabanzi kumapayipi agqitshwe kanye nezinhlelo zokusebenza zangaphansi kolwandle. Ukusebenza kwe-Double Block & Bleed (DBB) kuyinto ejwayelekile, lapho isihlalo ngasinye sivala ngokuzimela ingcindezi ephezulu nephansi, kanye nembobo ephumayo yokukhulula ingcindezi emgodini.

Kuhle kakhulu– Amapayipi kawoyela negesi aqhelelene, amayunithi okuhlanza, amapulatifomu asogwini lolwandle, iziteshi ze-LNG – noma yiluphi uhlelo lokusebenza lapho ukuthembeka kubaluleke kakhulu.

3.2 I-Zhejiang Poro Valve Manufacturing Co., Ltd.

I-Poro ingenye inkampani ekhiqiza ama-valve esungulwe eWenzhou, eyasungulwa ngo-1997 ngokutshalwa kwezimali kwamanye amazwe, ehlanganisa indawo yefektri engaphezu kuka-20,000 m². Ngaphezu kwama-ball valve, akhiqiza nama-gate, i-globe, i-check, kanye nama-butterfly valve.

Amakhono omkhiqizo– Amavalvu ebhola le-trunnion angumkhiqizo oyinhloko. Iphothifoliyo yawo ifaka phakathi amavalvu ebhola antantayo, amavalvu ebhola le-trunnion, amavalvu ebhola anezindlela ezintathu, amavalvu ebhola ahlanganiswe ngokuphelele, kanye namavalvu ebhola ahlala ensimbi. Izinto zokwakha zifaka insimbi yekhabhoni, insimbi engagqwali, kanye nensimbi ye-alloy.

Ukufinyelela emakethe– Ukuthunyelwa kwamanye amazwe e-ASEAN, eYurophu, eNingizimu Melika, eMpumalanga Ephakathi nase-Afrika. Zisetshenziswa emikhakheni kawoyela, yamakhemikhali kaphethiloli, yamandla, yensimbi, yokwakha imikhumbi, kanye neyokwelashwa kwamanzi ngaphakathi nangaphandle.

Amandla– I-Poro inethimba layo le-R&D futhi ihlole ama-ball valve ahlakaniphile anamakhono okulawula kude nokuqapha. Ukulawula ikhwalithi yabo kuhlanganisa yonke inqubo kusukela ekuhlolweni kwezinto zokusetshenziswa kuya ekuhlolweni komkhiqizo okuqediwe. Ukusekelwa ngemuva kokuthengisa kuhlanganisa isiqondiso sokufaka, ukuqeqeshwa kokulungisa, kanye nokunikezwa kwezingxenye ezisele.

Kuhle kakhulu- Amaphrojekthi ezimboni ajwayelekile kumakhemikhali kaphethroli, amandla, insimbi, kanye nokwakhiwa kwemikhumbi, lapho umugqa womkhiqizo ophelele kanye nesilinganiso esihle sokusebenza kwezindleko kubalulekile.

3.3 I-Neway Valve (Suzhou) Co., Ltd.

I-Neway iyinkampani ebhaliswe emphakathini (SSE: 603699) futhi ingumthengisi wama-valve amakhulu kunawo wonke ezimbonini eShayina. I-valve yabo eyizigidi eziyi-10 yayiyi-valve yebhola efakwe i-trunnion efakwe ensimbini eqhutshwa umoya – leso sikali sisho lukhulu.

Amakhono omkhiqizo– Amavalvu ebhola lolwandle olujulile alinganiselwa ku-25,000 psi, okuyinto engavamile phakathi kwabakhiqizi basekhaya. Amavalvu abo ebhola lensimbi afakwe eceleni amboza iKlasi 150 kuya kuKlasi 2500, anezinga lokushisa elisukela ku-‑46°C kuya ku-+450°C.

Amandla– Ububanzi obukhulu, uhla olubanzi lwemikhiqizo, kanye nesipiliyoni esikhulu sokuthumela kwamanye amazwe. Uma udinga ukuthola izinhlobo eziningi zamavalvu kumhlinzeki oyedwa, i-Neway iyisinqumo esilula. Kodwa-ke, usayizi wazo ungasho impendulo ehamba kancane ezicelweni zokwenza ngokwezifiso uma kuqhathaniswa nabakhiqizi abancane, abasheshayo.

Kuhle kakhulu– Amaphrojekthi amakhulu e-EPC, amaphakheji e-multi-valve, kanye namathenda lapho ubukhulu bomhlinzeki kanye neziqu kubalulekile khona.

3.4 Abanye Abakhiqizi Okufanele Bakhulunywe Ngabo

Ngaphezu kwalokhu okuthathu okungenhla, i-Wuxi PYNOS Flow tech inedumela elihle kuma-valve ebhola le-trunnion, ikakhulukazi ngokulawulwa kwekhwalithi okuqhubekayo kwezimakethe zokuthumela kwamanye amazwe. I-Zhejiang JiGong Valve igxile kuma-valve ebhola le-trunnion ahlala ngensimbi futhi anobubanzi obukhulu, anekhono lokucindezela okuphezulu elifinyelela ku-10,000 psi. I-Formen Valve inikeza ububanzi obukhulu obuvela ku-2″ kuya ku-48″ kanye nezigaba zokucindezela kusukela ku-Class 150 kuya ku-2500 LB.

Ngayinye ine-niche yayo– ukukhetha okungcono kakhulu kuncike kumingcele yakho ethile kanye nesabelomali.

4. Izindawo Zokuhlola Ezinhlanu Ezibalulekile Lapho Ukhetha Umhlinzeki

Okokuqala, qinisekisa izitifiketi. I-API 6D iyona nto encane kakhulu. Ungamane nje wamukele i-PDF – hlola inombolo yesitifiketi ngqo kuwebhusayithi ye-API ukuqinisekisa ukuthi isebenza. Qinisekisa futhi ukuphepha emlilweni (i-API 607 ​​noma i-6FA) kanye ne-NACE MR0175 (uma isevisi ingathandeki) njengoba kudingeka.

Okwesibili, ukulandelelwa kwezinto ezidingekayo. Kudingeka Izitifiketi Zokuhlolwa Kwezinto (ama-MTC) zeqoqo ngalinye, ngokwakheka okugcwele kwamakhemikhali kanye namarekhodi okwelashwa kokushisa. Izimboni ezithembekile zizokunikeza lokhu ngaphandle kokungabaza; labo abavimba noma abenza izaba ngokuvamile bafihla okuthile.

Okwesithathu, hlola amakhono okuhlolaIngabe ifektri inawo amabhentshi ayo okuhlola asebenzisa amanzi kanye ne-pneumatic? Ingabe ingenza izivivinyo endaweni? Ingabe imibiko yokuhlolwa ikhishwa ngaphakathi noma ifakazelwa ngumuntu wesithathu njenge-SGS noma i-BV? Lena yimibuzo ewusizo okufanele uyibuze ngesikhathi sokuhlolwa kwefektri.

Okwesine, buza ngezikhathi zokukhokhaAmavalvu ebhola le-trunnion – ikakhulukazi amakhulu – athatha isikhathi, kusukela ekubunjweni nasekusebenzeni kuya ekuhlanganisweni nasekuhlolweni. Umhlinzeki othembekile uzokunikeza isimiso esingokoqobo, hhayi esifushane kakhulu ukuze nje uwine i-oda.

Okwesihlanu, izinkomba zecala lesiceloCela uhlu lwama-valve afanayo anikezwe kwamanye amaphrojekthi - zaziyini izimo zokusebenza, futhi alethwa nini? Izifundo zamacala zangempela ziyakholisa kakhulu kunanoma iyiphi incwajana.

5. Izeluleko Eziwusizo Ezengeziwe

Intengo ngokuqinisekile iyisici, kodwa akufanele kube yiyona yodwa. Ivalvu yebhola le-trunnion ingahlala isebenza iminyaka eyi-10, engama-20 noma ngaphezulu; izindleko zokuthenga ziyingxenye encane kakhulu yezindleko zayo zokuphila konke. Ukuthenga ivalvu engaphansi kwesilinganiso ukuze wonge amadola ambalwa kungaholela ekuvuzeni, ekulungisweni nasekushintsheni okubiza kakhulu ngokuhamba kwesikhathi.

Sincoma kakhulu futhi ukuthi u-ode i-valve yesampula ukuze kuhlolwe ngokuphelele umuntu wesithathu ngaphambi kokufaka i-oda elikhulu. Cela ifektri ukuthi ikhiqize iyunithi eyodwa ngokwezidingo zakho bese ihlolwa ilebhu ezimele oyikhethile. Kuphela ngemva kokuba isampula idlulile lapho kufanele uqhubeke nokukhiqiza ngobuningi. Lokhu kunezela isikhathi esincane kanye nezindleko kusengaphambili, kodwa kungakusindisa enkingeni enkulu kamuva.

Okokugcina, uma ungakwazi, vakashela ifektri mathupha. Uhambo oluya eWenzhou noma eWuxi alunzima kangako. Hambahamba eshabhu - bheka ikhwalithi yokuqeda yokuthunga, ukunemba kwemishini yomshini, ukuhlelwa kwendawo yokuhlola - uzofunda okuningi ekuvakasheni okukodwa kunasemakhasini ayikhulu emibhalo.

6. Isiphetho

Ngemva kweminyaka eminingi yentuthuko, imboni yamavalvu ebhola le-trunnion yaseShayina manje isiyakwazi ukuncintisana ngqo nemikhiqizo yaseYurophu naseMelika. I-NSW VALVE ihamba phambili ngezixazululo ezihlanganisiwe ngokugcwele nezinomfutho ophezulu, ezinobubanzi obukhulu; i-Poro inikeza uhla olubanzi lwemikhiqizo olunenani elihle lemali; i-Neway iletha ulwazi lwesikali nokuthumela kwamanye amazwe - lezi ezintathu zimelela amandla ahlukene futhi zifanela izinhlobo ezahlukene zabathengi.

Akekho umhlinzeki oyedwa "ongcono kakhulu" – konke kuncike ezidingweni zephrojekthi yakho. Thola amapharamitha akho obuchwepheshe afanele, qinisekisa izitifiketi kanye nomlando wamacala, yenza ukuhlolwa kwamasampula – futhi uzonciphisa ingozi yokwenza isinqumo esibi.

Amavalvu ebhola le-trunnion afakwa emapayipini amashumi eminyaka. Khetha kahle, uzoba nokuthula kwengqondo; khetha kabi, futhi uzobhekana nekhanda elingapheli. Ngithemba ukuthi lo mhlahlandlela uzokusiza wenze ukukhetha okunolwazi oluthe xaxa.