A I-Bellows Avaliwe I-Globe Valveuhlobo lwevalvu eliyindilinga elisebenzisa izinsimbi zensimbi njengento yalo eyinhloko yokuvala. Ingxenye yalo eyinhloko yizinsimbi zensimbi. Ngokusebenzisa ukushisela okuzenzakalelayo, izinsimbi zakha umgoqo wensimbi ongenawo umoya phakathi kwendawo yoketshezi nomoya, okuqinisekisa ukuthi akukho ukuvuza esiqwini sevalvu. Lo mklamo awugcini nje ngokuthuthukisa ukusebenza kokuvala kwevalvu kodwa futhi wandisa kakhulu isikhathi sayo sokusebenza.
Isimiso Sokusebenza se-Bellows Sealed Globe Valve
Isimiso sokusebenza se-Bellows Sealed Globe Valve sifana nese-globe valve ejwayelekile. Isiqu se-valve siqhutshwa phezulu naphansi yi-handwheel noma i-actuator, eshukumisa i-valve disc (noma i-plug) ukuze ivule noma ivale i-valve. Uma i-disc ihambela phezulu, uketshezi lungageleza nge-valve; lapho i-disc ihambela phansi, ivala ngokuqinile esihlalweni se-valve, ivimbele ukugeleza koketshezi. I-bellows idlala indima ebalulekile yokuvala kule nqubo, iqinisekisa ukusebenza kahle kokuvala ngaphansi kwazo zonke izimo zokusebenza.
Isimiso sokusebenza singahlukaniswa ngezigaba ezintathu eziyinhloko:
1. Inqubo Yokuvula:Uma i-actuator isebenza, ishayela i-push-rod, okwenza ukuthi ama-bellows acindezele noma anwebe (ashintshe). Ngesikhathi esifanayo, lokhu kushayela ilungu lokuvala (idiski/ipulaki). Phakathi nalesi sigaba, ingcindezi ephakathi esebenza emgodini wangaphakathi wama-bellows idala isimo sokuzilinganisa.
2. Inqubo Yokuvala:Ukusebenza okuphambene kusetha kabusha ilungu lokuvala. Ukuthembela kokubili emandleni okubuyisa okunwebeka kwe-bellows kanye nokucindezela okuphakathi kuqinisekisa ukuqina okuphelele.
3. Impumelelo Yokuvala:Umklamo oyingqayizivele wokuvala othintana nensimbi awufinyeleli amazinga okuvuza awekho (i-ANSI/FCI 70-2 Class V).
Izingxenye Eziyinhloko Zevalvu Yesibhakela Esivaliwe
I-Bellows Sealed Valve iyi-valve yokulawula ehlelwe ngokukhethekile, eyakhiwe ngokuyinhloko yizingxenye ezilandelayo:
1. Izingxenye Eziyinhloko Zesakhiwo:
• Umzimba we-Valve:Ngokuvamile kwenziwa ngensimbi engagqwali noma insimbi yekhabhoni.
• Ibhonethi:Ixhunywe emzimbeni wevalvu ngama-flange noma imicu.
• Ukuhlanganiswa Kokuvala:Kufaka ibhokisi lokugxusha kanye nama-gasket okuvala.
2. Izingxenye Eziyinhloko Zokusebenza:
• Izimbobo:Kwakhiwe ngokushisela izingqimba eziningi zamasilinda ensimbi anodonga oluncane.
• Indawo Yokuxhumanisa Isiqu Sevalvu kanye Ne-Actuator.
• Ilungu Lokuvala (Idiski/Ipulagi).
Izici Zesakhiwo Se-Bellows Sealed Globe Valve
Umklamo wesakhiwo se-Bellows Sealed Globe Valve unezici ezilandelayo ezihlukile:
1. Umklamo Wokuvala Okubili:
Ihlanganisa isakhiwo esinama-seal amabili esakhiwe yi-bellows kanye ne-stem packing. Ngisho noma ama-bellows ehluleka, i-stem packing ivimbela ukuvuza, okuqinisekisa ukuthembeka kokuvala.
2. Ukumelana Nokugqwala:
Izimbozo ngokuvamile zenziwe ngensimbi engagqwali, zinikeza ukumelana okuhle kakhulu nokugqwala okufanelekela izinhlobo ezahlukene zemidiya.
3. Umklamo Wempilo Ende:
Izimbobo ezakhiwe nge-hydraulic zinokuphila okukhathele kakhulu, ziyakwazi ukumelana nokusebenza okuvamile kokuvula nokuvala.
4. Ukuvikelwa Kwesiqu:
Ingxenye engezansi ye-bellows ixhunyelwe esiqwini se-valve, ivikele ekugugulekeni yi-process fluid futhi yandise impilo ye-stem.
5. Isihlalo Esiqinile:
Izindawo zokuvala zihlanganiswe nge-alloy eqinile esekelwe ku-cobalt (Co-based), enikeza ukumelana okuhle kakhulu nokuguguleka, ukumelana nokugqwala, kanye nezakhiwo zokulwa nokungqubuzana, okuholela empilweni yesikhathi eside.
Izinzuzo Zobuchwepheshe
•Ukusebenza Okungavuthi Kakhulu:
Izimbobo zensimbi ziqeda ngokuphelele ukuvuza kwesiqu, okwenza kube kuhle kakhulu ezindaweni ezinobuthi, ezivuthayo, noma ezihlanzekile kakhulu.
•Ukumelana Nokugqwala Nokuguguleka:
Isiqu se-valve siyacinywa futhi sishiswa kanye ne-nitriding yomphezulu. Izindawo zokuhlala zihlanganiswe nge-alloy eqinile (isb., i-Co-based), evimbela uketshezi olubolayo kanye nokuguguleka kwezinhlayiya.
•Ukufaneleka Ezimweni Ezibucayi:
Izinga lokushisa lisukela ku--40°C kuya ku-425°C, lifaneleka kakhulu ezinhlelweni zikawoyela oshisayo okushisa okuphezulu (umfutho ophansi, izimo zokushisa eziphakeme).
•Ukugcinwa Okulula:
Umklamo we-bellows unciphisa isidingo sokushintsha ukupakisha, wehlisa izindleko zokulungisa zesikhathi eside.
Umehluko Phakathi Kwama-Bellows Sealed Globe Valve nama-Standard Globe Valve
1. Umklamo Oyingqayizivele kanye Nokuqinisekiswa Kwesivalo Esiphindwe Kabili
Ukuhluka kwe-Bellows Sealed Globe Valve kusekuklanyweni kwayo okungaphumi lutho. Idume ngamandla ayo okungaphumi lutho kanye nokuqinisekiswa kokuvala okubili, iqinisekisa ukuphepha kokuvala isiqu. Lo mklamo wakha isithiyo sensimbi esiqinile phakathi kwe-fluid medium kanye nomoya ngokushisela okuzenzakalelayo kwe-roll, okuqinisekisa ukuthi akukho ukuvuza. Ibonisa ukuphakama okukhulu uma kuqhathaniswa nama-globe valve endabuko. Uma i-bellows yehluleka, ukupakisha isiqu kusebenza njengesivalo esisekelayo, kugcina kungekho ukuvuza lutho. Isakhiwo sayo esiqinile nesihlala isikhathi eside se-bellows asiqinisekisi nje kuphela ukusebenza kokuvala isiqu kodwa futhi sinikeza nokusebenza okungenakulungiswa.
2. Ukumelana Nesakhiwo Nokugqokwa
I-Bellows Sealed Globe Valve inesakhiwo esinengqondo esingenakho ukulahleka koketshezi, kunciphisa ukusetshenziswa kwamandla. Le valve inikeza isakhiwo esinengqondo, ukuvala okuthembekile, ukusebenza okuhle kakhulu, kanye nokubukeka okujabulisayo. Ukungabikho kokulahleka koketshezi kunciphisa imfucuza yamandla futhi kuthuthukisa ukuphepha kwemishini yesitshalo. Izindawo zayo zokuvala zisebenzisa ukushisela okungaphezulu kwe-Co-based hard alloy overlay, okuhlinzeka ngokumelana nokuguguleka okuvelele, ukumelana nokugqwala, kanye nezakhiwo zokulwa nokugqwala, kunciphisa izidingo nezindleko zokulungisa. Lokhu kwandisa impilo yesevisi, kunciphisa imvamisa yokulungisa, futhi kunciphisa izindleko zokusebenza.
3. Ukumelana Nokugqwala Uma kuqhathaniswa nama-Standard Globe Valve
Isiqu se-valve se-Bellows Sealed Globe Valve sincishiswa futhi sishiswa kanye ne-nitriding surface, okwenza kube nokugqwala okumangalisayo kanye nokumelana nokungqubuzana. Ngokuphambene nalokho, i-valve ejwayelekile ye-globe evalwe (okungukuthi, i-globe valve ejwayelekile) nayo inezici ezithile. Ithandwa ngenxa yezinzuzo ezifana nokungqubuzana okuphansi ngesikhathi sokuvula/ukuvala, ukuqina, kanye nokulula kokukhiqizwa nokulungiswa. Kodwa-ke, inezinkinga ezithile, njengokumelana okuphezulu koketshezi kanye nokwethenjwa okwanele kokuvala isikhathi eside. Sekukonke, i-globe valve ejwayelekile isalokhu iwuhlobo lwe-valve olusetshenziswa kabanzi futhi oluthembekile ngokuvamile. Noma kunjalo, ama-globe valve ajwayelekile ahlushwa izinkinga ezifana nokumelana okuphezulu koketshezi kanye nokusebenza okungekuhle kokuvala isikhathi eside, okwenza angabi ngcono kakhulu kune-Bellows Sealed Globe Valves.
4. Izinzuzo Zokusebenzisa Nokuqhathanisa
Ezisetshenzisweni zezimboni, izinkinga zokuvuza zangaphandle ezibangelwa ukuguga kwesiqu sokupakisha kuma-valve e-globe ejwayelekile zivamile. Ama-Bellows Sealed Globe Valve avelele ekusetshenzisweni kwezimboni, egwema izinkinga zokuvuza ezingaba khona ezitholakala kuma-valve e-globe ejwayelekile. Lokhu kuvuza kungabandakanya ukushisa okuphezulu, okunobuthi kakhulu, okuvuthayo, okuqhumayo, noma okunemisebe, okungabangela hhayi nje kuphela ukungcoliswa kwemvelo okukhulu kodwa futhi nokulimala komuntu siqu okungaba yingozi kanye nokulahlekelwa yimpahla. Umklamo we-Bellows Sealed Globe Valve uyixazulula ngokuphelele le nkinga. Isakhiwo sayo se-bellows seal senza i-valve ingabi nokugcinwa, ithuthukisa kakhulu ukusebenza kahle kwamandla, ithuthukisa ukuphepha kwemishini yokukhiqiza, futhi inciphisa izindleko zokulungisa kanye nesidingo sokulungiswa njalo. Ngenxa yalokho, inikeza indawo yokusebenza ehlanzekile futhi yehlisa izindleko zokulungisa, inikeza ikhambi elihlanzekile neliphephile.
Amasimu Okusetshenziswa Kwama-Bellows Avaliwe Ama-Globe Valve
Ngenxa yokusebenza kwawo okuhle kakhulu kokuvala nokuthembeka, ama-Bellows Sealed Globe Valve asetshenziswa kabanzi ezimbonini eziningi okuhlanganisa uphethiloli, amakhemikhali, ezemithi, umanyolo kanye nokukhiqizwa kukagesi, ikakhulukazi ezicelweni ezifuna ubuqotho obuphezulu bokuvala.
1. Imboni Yamakhemikhali
Ngaphakathi embonini yamakhemikhali, ama-Bellows Sealed Globe Valve alawula ukugeleza kwezinto ezigqwalisayo. Isibonelo, isitshalo samakhemikhali sisebenzisa la ma-valve ukudlulisa igesi ye-chlorine. I-valve isebenzisa insimbi engagqwali esezingeni eliphansi lokushisa komzimba, enezimbobo ezenziwe nge-Hastelloy C-276 kanye ne-PTFE V-ring seals, enesakhiwo se-dual-seal esivimbela ngempumelelo ukuvuza kwe-chlorine.
2. Imboni Yezemithi
Imboni yezemithi ibeka izidingo eziphakeme kakhulu zokuhlanzeka kwamavalvu nokuvala. Umklamo we-dual-seal kanye nokumelana nokugqwala kwamaBellows Sealed Globe Valves kuwenza abe ukukhetha okuhle kakhulu. Isibonelo, inkampani yezemithi iyawasebenzisa ezinhlelweni zikawoyela oshisayo. Lawa mavalvu anesiklamo esithuthukisiwe esinokwehla kwengcindezi okuphansi. Umklamo ohlelekile uvumela uhlelo oluzikhiphayo, olunikeza ukusebenza okungcono kunezinye izinhlobo zamavalvu e-globe.
3. Imboni Yamandla
Embonini kagesi, ama-Bellows Sealed Globe Valve asetshenziswa kumapayipi omusi kanye nezinhlelo zama-boiler ukuqinisekisa ukudluliselwa komusi okuphumelelayo kanye nokulawula okuphephile. Isibonelo, inkampani ekhiqiza ugesi iyawasebenzisa emigqeni yomusi. Lawa ma-valve avimbela ngempumelelo ukuvuza komusi, athuthukise ukusebenza kahle kokusetshenziswa kwamandla.
4. Imboni Yokudla Neziphuzo
Izidingo eziqinile zokuhlanzeka nokuphepha zichaza imboni yokudla neziphuzo. Ukusebenza kokuvala kanye nokumelana nokugqwala kwama-Bellows Sealed Globe Valve kubenza bakwazi ukuhlangabezana nalezi zidingo ezithile. Isibonelo, ifektri yokwenza ubhiya iwasebenzisela ukulawula umusi ngesikhathi senqubo yokukhiqiza, iqinisekisa indawo yokukhiqiza ehlanzekile nephephile.
Ukufakwa Nokugcinwa Kwama-Bellows Sealed Globe Valve
1. Izinyathelo Zokuqapha Ukufakwa
• Isiqondiso Sokufakwa:Faka ivalvu ngokwesiqondiso sokugeleza koketshezi, uqinisekise ukuthi ukugeleza kuhamba kusuka phansi kuya phezulu ukuze unciphise ukumelana koketshezi ngaphakathi kwevalvu.
• Indlela Yokuxhumana:Khetha indlela yokuxhuma efanele (isb., efakwe i-flange noma ehlanganisiwe) ngokusekelwe ezimweni zangempela zokusebenza.
• Izidingo Zemvelo:Indawo yokufaka kufanele igweme amazinga okushisa aphezulu, umswakama, kanye nezindawo ezigqwalisayo ukuze kwandiswe isikhathi senkonzo yamavalvu.
2. Izincomo Zokulungisa
•Ukuhlolwa Okuvamile:Hlola njalo ukusebenza kokuvala kwe-bellows ukuqinisekisa ukuthi akukho ukuvuza.
•Ukuhlanza Nokugcoba:Hlanza njalo ingaphandle levalvu bese uthambisa isiqu sevalvu ukuze uvimbele ukugqwala nokunamathela.
•Ukuphathwa Kwezimo Eziphuthumayo:Uma kutholakala ukuvuza kwe-bellows, sebenzisa i-gland ephuthumayo ukuze uvale okwesikhashana ukuze uvimbele ukuvuza okwengeziwe.
3. Amaphuzu Okulungisa Abalulekile
• Ukuvimbela Ukwehluleka:Ukuphuka kokukhathala kwe-Bellows kuyindlela eyinhloko yokwehluleka; ukuhlolwa okuvamile kuyadingeka. Eminye imiklamo yamavalvu ine-cartridges ye-bellows engashintshaniswa ukuze kube lula ukuyilungisa.
• Ukufaneleka Kwesimo:Ezindaweni ezishisa kakhulu (isb., >200°C), beka phambili ama-Bellows Globe Valve ensimbi engagqwali ukuze ugweme ukuwohloka kokupakisha.
Isiphetho
Ama-Bellows Sealed Globe Valve, ngokusebenzisa ubuchwepheshe obusha bokuvala, axazulula izinkinga zokuvuza kwangaphandle kwama-valve endabuko. Ahamba phambili ekusebenzeni kokuvala, ukuphepha, kanye nokuqina, okwenza abe uhlobo lwama-valve oluvame ukukhethwa emikhakheni edinga amandla njengokucubungula amakhemikhali.
Isikhathi sokuthunyelwe: Agasti-08-2025