I-Gas Ball Valve: Umhlahlandlela Ophelele Wezinhlelo Zokuvala Igesi

Isingeniso kuma-Gas Ball Valve

Ezweni lokulawula uketshezi kanye negesi, ukukhetha ivalvu efanele kubaluleke kakhulu ekuqinisekiseni ukuphepha, ukusebenza kahle, kanye nokuthembeka kokubili ezinhlelweni zezimboni nezezindlu. Phakathi kwezinketho ezahlukene, iValvu Yebhola Legesi iyazihlukanisa ngokusebenza kwayo okuqinile, ukuqina, kanye nokusebenza okulula. Lo mhlahlandlela ophelele uhlola imininingwane yamavalvu ebhola legesi, uhlola izinzuzo zawo kunezinye izindlela ezifana namavalvu esango kanye neglobe, futhi ugcizelela indima ebalulekile yalokhu.Abakhiqizi beValve yeBhola leGesiekuhlinzekweni komhlaba wonke kwezixazululo zamavalvu ezisezingeni eliphezulu.

Iyini i-Gas Ball Valve?

AI-Gas Ball Valveuhlobo lwevalvu yokujika ngekota esebenzisa ibhola elingenalutho, elinezimbobo ukulawula ukugeleza kwamagesi noma uketshezi. Ukujikeleza isibambo sevalvu ngama-degree angu-90 kushintsha ibhola ukuze livumele noma livimbele ukugeleza. Lawa mavalvu aklanyelwe ngokukhethekile ukuphatha amagesi avuthayo ngokuphepha, ahlinzeka ngamakhono amahle kakhulu okuvala kanye nokusebenza okuvikela ukuvuza. Ukusebenza kwawo okusheshayo kanye nokugcinwa kwawo okuncane kuwenza abe ukukhetha okuthandwayo njengamaValvu Okuvala Igesi emapayipini, ezinhlelweni ze-HVAC, kanye nezinhlobo ezahlukene zemishini yezimboni.

Lawa ma-valve abonakala ngomklamo wawo olula, ohlangene, isisindo esincane, kanye nokulula kokugcinwa. Anikeza ukusebenza okusheshayo kokuvula/ukuvala (okusheshayo njengemizuzwana engu-0.05 ngokusebenza ngakunye kwamanye amamodeli asebenzisa umoya), ukumelana okuphansi koketshezi, kanye nekhono lokugeleza okuqondiswayo. Aklanyelwe ukuhlangabezana nezindinganiso zomhlaba wonke eziqinile zokuphepha komlilo (isb., i-API 6FA) futhi angafakelwa izici ezifana namadivayisi alwa nokungaguquguquki kanye nezintambo zama-valve ezinde zezinhlelo zokusebenza ezithile.

Ingabe Ama-Ball Valve Afanelekile Ukusetshenziswa Kwegesi?

Yebo, amavalvu ebhola afaneleka kakhulu ekusetshenzisweni kwegesi, uma nje akhiwe ngezinto ezifanele futhi ephethe izitifiketi ezidingekayo. Ngokungafani namavalvu esango (angcono kakhulu ekulawuleni okulula kokuvula/ukuvala ezinhlelweni zoketshezi) noma amavalvu e-Globe (afanele ukulawulwa kokugeleza), amavalvu ebhola legesi asebenza kahle ezindaweni ezidinga ukuvalwa okusheshayo nokusebenza okuthembekile ngaphansi kwengcindezi ephezulu.

Izici ezibalulekile eziqinisekisa ukuphepha nokusebenza kahle kwazo ngegesi zifaka:

• Ukwakhiwa Okuqinile: Izinto ezifana nensimbi engagqwali, ithusi, kanye nensimbi yekhabhoni zivimbela ukugqwala futhi zithuthukise isikhathi eside.

• Ukuvala Okuthuthukisiwe: Izivalo ezenziwe nge-PTFE (Polytetrafluoroethylene) noma izinto ezifanayo ziqinisekisa ukuthi akukho ukuvuza, ngisho nangaphansi kokushintshashintsha okukhulu kwezinga lokushisa.

• Imiklamo Eqinisekiswe Ukuphepha: Abakhiqizi abadumile baklama ama-valve ukuze ahlangabezane nezindinganiso zomhlaba wonke ezifana ne-ISO, i-API (i-American Petroleum Institute), kanye ne-ASME, ngokuvamile kufaka phakathi imiklamo ephephile emlilweni.

Indlela Ama-Valve Ebhola Legesi Asebenza Ngayo

Ama-Gas Ball Valve asebenza njengemishini ebalulekile yokuqala nokumisa ukugeleza kwemidiya ngaphakathi kwamapayipi nezinhlelo. Asetshenziswa kakhulu ukulawula ukugeleza kwegesi yemvelo, igesi kaphethiloli encibilikisiwe (i-LPG), kanye namanye amagesi avuthayo.

Lawa ma-valve ngokuvamile amboza ububanzi obujwayelekile (i-DN) kusukela ku-DN15 kuya ku-DN200 kanye nokucindezela okujwayelekile (i-PN) kusukela ku-PN1.6 kuya ku-PN4.0 MPa. Angasebenza ebangeni lokushisa elibanzi, kusukela ezimweni ezibucayi eziphansi njenge--196°C kuya emazingeni okushisa aphezulu afinyelela ku-+80°C noma ngaphezulu, kanye nemizimba yama-valve evame ukwenziwa ngensimbi engagqwali ukuze iqine futhi imelane.

Ukusebenza okuyinhloko kuhilela ukuzungezisa ibhola elinendawo eyindilinga. Lokhu kuvumela ukuvula nokuvala okusheshayo, ukusebenza okulula, kanye nokumelana okuncane koketshezi. Ukwakheka kwazo okulula nokuncane kuzenza zibe lula futhi kube lula ukuzinakekela. Imiklamo ekhethekile ingafaka:

• Amavalvu Entamo Emide:Ukuvimbela ukulahleka kwamandla abandayo ekusetshenzisweni kwe-cryogenic.

• Amadivayisi Alwa Nokuqina:Njengezindlela ezifakwe entwasahlobo ukuqinisekisa ukuqhubeka kukagesi nokuvimbela ukwakheka okungaguquki.

• Izakhiwo Eziphephile Emlilweni:Ukuhambisana nezindinganiso ezifana ne-API 6FA ukuze kulondolozwe ubuqotho emicimbini yomlilo.

• Izingxenye Ezingezona Ezensimbi:Amavalvu anezinto ezifana ne-PA12 angaqinisekiswa (isb., ngokwe-ISO16486-4) ezimweni ezithile zokufakwa komfutho ophakathi nendawo kanye nokungenawo umsele, asebenza ngomsindo ophansi kanye nokudlidliza.

Ukufakwa kudinga ukuqinisekisa isikhala esanele sokuba isibambo sijikeleze futhi, kuma-actuator, ngokuvamile ukuqondiswa kokumisa okuqondile.

Izinhlobo zama-Gas Ball Valve

Amavalvu ebhola likagesi angahlukaniswa ngezigaba ngokusekelwe kwisakhiwo sawo, indlela yokusebenza, kanye nohlobo lokuxhuma, ngalinye lifanelana nezingcindezi ezahlukene, amazinga okushisa, kanye nezidingo zokulawula.

Ngesakhiwo seValve

• I-Floating Ball Valve: Ibhola likhululekile ukuzungeza kancane ngaphakathi komzimba we-valve, lifanele ukusetshenziswa kwengcindezi ephezulu.

• I-Fixed Ball Valve: Ibhola liqinile endaweni yalo ngaphakathi kwe-valve, linikeza ukusebenza okuzinzile kokuvala futhi livame ukusetshenziselwa ububanzi obukhulu kanye nokucindezela okuphezulu.

• I-Flexible Ball Valve: Ihlanganisa isakhiwo sokuvala esinwebekayo, esifanele izimo zokushisa okuphansi kanye nezingcindezi eziphansi.

Ngenani Lamachweba Nezindlela Zokugeleza

• Ivalvu Enezindlela Ezimbili (Eqondile): Umklamo ojwayelekile lapho uketshezi ludlula khona ngqo.

• Ivalvu Yezindlela Ezintathu (I-T-Port noma i-L-Port): Isetshenziselwa ukuphambukisa, ukuxuba, noma ukuvala ukugeleza phakathi kwamapayipi amaningi.

Ngendlela Yokusebenza

• I-Valve Yebhola Esetshenziswa Ngesandla:Isebenza ngesibambo noma ngomshini wegiya.

• Ivalvu Yebhola Yomoya:Ifakwe i-actuator yomoya yesivinini sokushintsha esisheshayo kakhulu (isb., imizuzwana engu-0.05/umjikelezo) futhi ilungele izinhlelo zokulawula zezimboni ezikude noma ezenzakalelayo.

• I-Electric Ball Valve:Iqhutshwa yinjini kagesi yokulawula ngokuzenzakalelayo ukuvula/ukuvala noma ukuguqula.

• Ivalvu Yebhola Legiya Lemibungu:Isebenzisa indlela yokunciphisa amagiya ezikelemu ukuze kube lula ukusebenza kwamavalvu amakhulu kanye nokulawula okude.

Ngohlobo Lokuxhumeka

• Uxhumano Olunezintambo: Okuvamile kumapayipi anezimbobo ezincane.

• Ukuxhumeka Okune-Flanged: Kusebenzisa ama-flanges okubopha epayipini, okuyisimiso samapayipi amakhulu kanye nezinhlelo zokucindezela okuphezulu.

• Uxhumano Oluhlanganisiwe: Luhlanganiswe ngqo epayipini, lunikeza isivalo esingcono kakhulu sezinhlelo zokusebenza ezibalulekile.

Izinhlobo Ezikhethekile

• Amavalvu Ebhola Elikhethekile Legesi Yemvelo: Imiklamo ethile efana nohlobo lwe-Q41F lwegesi yemvelo encibilikisiwe (i-LNG), evame ukuba nesakhiwo esiqinile nezinto ezifanelekile zesevisi ye-cryogenic.

Izicelo zeValve yeBhola leGesi

Izicelo Zokuhlala

Emakhaya, ama-Gas Ball Valve afakwa ngokuyinhloko njengezilawuli zokuvala eziyinhloko emigqeni yokuphakelwa kwegesi, ngokuvamile atholakala esisekelweni sesakhiwo noma ezitezi ezithile ukuze kuphathwe ukuphakelwa kwegesi kweyunithi yonke. Imithetho ivame ukuvimbela izakhamuzi ukuthi zisebenzise la ma-valve ngokwazo ngaphandle kwezimo eziphuthumayo.

Ama-valve egesi ezindlu afaka:

• I-Valve Eyinhloko Yegesi Yomphakathi:Iphathwa yinkampani yegesi noma ukuphathwa kwempahla ukuze kulungiswe uhlelo lonke.

• Ivalvu Yemitha (Ivalvu ngaphambi kwemitha yegesi):Ihlukanisa imitha ukuze isetshenziswe; iqhutshwa ochwepheshe.

• Ivalvu Yezinto Zokusebenza (Ivalvu ngaphambi kwesitofu):Itholakala eduze kwensiza kagesi; kutuswa ukuthi ivalwe ngemva kokusetshenziswa ngakunye ukuze kuphephe.

Imithetho yesimanje, njenge-“Gas Engineering Code” yaseShayina ka-2022, ingadinga ukufaka ama-valve okuvala ngokuzenzakalelayo asebenza ngendlela ehlukile kuma-ball valve, anciphisa ukugeleza ngesikhathi sokucindezela noma ukungahambi kahle kokugeleza.

Izicelo Zezimboni

Ezindaweni zezimboni, ama-Gas Ball Valve abalulekile ekudlulisweni, ekulawulweni kokuphepha, kanye nasekulawulweni kwenqubo.

• Amapayipi Okudlulisa Igesi:Kusetshenziswa ekudlulisweni kwegesi yemvelo kanye nezinqubo zokugcina/zokuhwamuka kwe-LPG. Ukusebenza komoya kuvumela ukuvala okusheshayo (0.05 sec/cycle) kanye nokuhlanganiswa nama-solenoid nama-positioner okulawula kude.

•I-Valve Yokuvala Okuphuthumayo (i-ESDV):Eziteshini ezifana nezitshalo zokugcwalisa uphethiloli noma zokuhlukanisa i-CNG, ama-valve afaka imiklamo engaqhumi (ngokwe-API 6A) yokuvala okuphuthumayo okukude, okuqinisekisa ukuphepha.

• Izinhlelo Zokusebenza Ezine-Cryogenic:Ezikhumulweni ze-LNG, ama-valve adinga izivalo zokushisa okuphansi (ngokwe-ASME B16.34) ukuze zisebenze emazingeni okushisa aphansi njengo-162°C, zivimbele ukuvuza nokwakheka kweqhwa.

• Ukulawulwa Kokugeleza:Ezitshalweni zamakhemikhali nasezindaweni zokuhluza, ama-ball valve aklanywe ngokukhethekile alawula ukugeleza kwe-feedstock, adinga ukumelana namazinga okushisa aphezulu (400°C+) kanye nemidiya ebolile.

• Ukugcinwa Nokuphepha: Umklamo wokungena phezulu uvumela ukulungiswa okusemgqeni ngaphandle kokususa ivalvu epayipini. Ama-actuator avame ukudinga izitifiketi ezingaqhumi (ATEX/IECEx) ukuze asebenze ngokuphephile ezindaweni eziyingozi.

Izinzuzo Zokusebenzisa Ama-Gas Ball Valve

Ukusetshenziswa kabanzi kwama-Gas Ball Valve kubangelwa izinzuzo eziningana ezibalulekile:

• Umklamo Omncane Nolula: Isakhiwo sabo esilula sibenza babe bancane futhi balula kunezinye izindlela eziningi, okwenza kube lula ukufaka nokugcina isikhala.

• Ukusebenza Okuhle Kakhulu Kokuvala: Umklamo wokuvala othinta ubuso ugcina uphawu olusebenzayo ngisho nangaphansi kwengcindezi ephezulu futhi uhambisana nezinhlangothi zombili.

• Ukusebenza Okusheshayo Nokuphendula Okusheshayo: Ukusebenza kwamadigri angu-90 kuvumela ukuvulwa nokuvalwa okusheshayo kakhulu, ikakhulukazi ngama-actuator omoya (imizuzwana engu-0.05-0.1).

• Ukumelana Nokugeleza Okuphansi Nokumelana Nokugqwala: Umklamo ogcwele unikeza ukuvinjelwa okuncane kokugeleza, okunciphisa ukulahleka kwamandla. Zifanelekela imidiya ehlukahlukene egqwalisayo njengegesi kanye nomusi.

• Izindleko Zokulungisa Eziphansi: Ukwakhiwa okulula kuholela ekulungisweni okulula, amazinga aphansi okwehluleka, kanye nokunciphisa izindleko zokusebenza zesikhathi eside.

Amathiphu Okufaka Nokulungisa

Ukufakwa nokugcinwa kahle kubalulekile ekusebenzeni kahle nasekuphepheni.

Izinyathelo Zokufaka

1. Ukulungiselela: Qinisekisa ukuthi ipayipi kanye nevalvu kuqondile ngendlela ehambisanayo. Izindawo zokuvala i-flange kumele zilingane, zihlanzeke, futhi zingabi nazinsalela. Hlola ivalvu ngamehlo bese wenza isivivinyo esivulekile/esivaliwe ngokuphelele.

2. Ukuxhuma Nokuvikela: Faka ama-gasket okuvala, usebenzise i-sealant efanele ngokulinganayo (isb., i-PTFE). Qinisa amabhawodi ngokulinganayo nangokuhamba kancane ukuze ugweme ukuphambuka kwe-flange kanye nokuvuza okungenzeka.

3. Ukufakwa kwe-Actuator: Amavalvu ane-actuator (esebenzisa umoya noma kagesi) kumele afakwe ngokuvundlile. Qinisekisa ukuthi isibambo sokusebenza sinomzila ocacile wokujikeleza. Ngemva kokufakwa, hlola ukusebenza okubushelelezi bese wenza ukuhlolwa kokucindezela ukuqinisekisa ukuvalwa.

Amathiphu Okulungisa

• Ukuhlolwa Okuvamile: Hlanza njalo ingaphakathi le-valve kanye nezindawo zokuvala ukuze uvimbele umonakalo ovela emfucumfucwini. Hlola amabhawodi akhululekile kanye nokuvuza ezindaweni zokuxhuma.

• Ukuqaqa Nokuhlanza: Njalo nciphisa ukucindezela kwepayipi ngaphambi kokuqaqa. Hlanza izingxenye ezingezona ezensimbi (njenge-O-rings) ngokushesha futhi ugweme ukucwiliswa isikhathi eside.

• Ukugcotshwa Nokunakekelwa: Sebenzisa i-lubricant ehambisana ne-gas media (isb., i-grease ekhethekile engu-221 yegesi). Faka ungqimba oluncane ezindaweni zokuvala ngesikhathi sokuhlanganiswa ukuze unciphise ukungqubuzana.

Amanothi Abalulekile

• UNGASEBENZISI i-ball valve ukuze ucindezele; lokhu kungabangela ukuguguleka kwesihlalo kanye nokwehluleka kokuvala ngenxa yokungazinzi kwengcindezi.

• Faka kude nezindawo ezicindezela kakhulu epayipini ukuqinisekisa ukusebenza okuzinzile kwesikhathi eside.

Ukuxazulula Izinkinga Ezivamile

Ngisho nama-valve athembekile angaba nezinkinga. Nasi isiqondiso esisheshayo:

Iseluleko Esijwayelekile Sokulungisa:

• Zungezisa ivalvu okungenani minyaka yonke, ugcobe njengoba kudingeka.

• Susa njalo ukugqwala kwangaphandle kanye nokungcola.

• Khipha amanzi emgodini wevalvu ngaphambi kobusika ukuze uvimbele umonakalo wokuqandisa.

Amanothi Okuphepha Abalulekile

Njengezingxenye ezibalulekile zokuphepha, landela lezi zinyathelo zokuqapha:

• Ukufakwa Nokunakekelwa: Faka ngesikhala esanele sokusebenza kwesibambo. Ukufakwa okuqondile kuyimpoqo kuma-valve ane-actuator. Qinisekisa njalo isimo se-valve esivulekile/esivaliwe.

• Imithetho Yokusebenza: Amavalvu omphakathi nawamamitha ngokuvamile awavunyelwe abasebenzi abangagunyaziwe ngokwemithethonqubo yokuphathwa kwegesi. Esimweni esiphuthumayo sokuvuza, vala ivalvu yamamitha, faka umoya endaweni, bese ushayela ochwepheshe ngokushesha.

• Izikhumbuzo Eziyinhloko: Isibambo se-valve esihambisana nepayipi sisho UKUVULA; izindlela eziqondile EZIVALIWE. Ungalokothi usebenzise i-valve yebhola ukulawula ukugeleza.

Ikusasa kanye Nemikhuba Yobuchwepheshe Be-Gas Ball Valve

Ubuchwepheshe be-gas ball valve buyaqhubeka nokukhula, bugxile ekuthembekeni okuthuthukisiwe, ubuhlakani, kanye nokuzivumelanisa nezimo.

Izici zobuchwepheshe bamanje zifaka phakathi imiklamo ethembekile ethambile nevaliwe ngensimbi yegesi enomfutho ophezulu, ukwakhiwa ngezinto ezingagqwali njengensimbi engagqwali, kanye nokusekelwa kwezindlela ezahlukahlukene zokuqalisa ukuzenzakalela.

Izitayela zesikhathi esizayo zikhomba ku:

• Ukuhlanganiswa Okuhlakaniphile:Ukufaka izinzwa kanye namakhono e-IoT okuqapha ngesikhathi sangempela isikhundla se-valve, ingcindezi, izinga lokushisa, kanye nokuvuza, okuvumela ukulungiswa kokubikezela kanye nezixwayiso zamaphutha zakuqala.

• Umklamo We-Modular:Imiklamo eyenza kube lula ukulungisa, ukushintsha izingxenye, kanye nokuthuthukiswa kwesistimu, okunciphisa isikhathi sokungasebenzi kanye nezindleko zomjikelezo wokuphila.

• Ukusebenza Okuthuthukisiwe:Ukuthuthukiswa okuqhubekayo ezintweni zokwakha kanye nomklamo ukuze kusingathwe izimo ezinzima, njengokumelana nokugqwala okuvela ekungcoleni kwegesi kanye nokuthuthukisa ukuqina kwayo yonke indawo. Imakethe, ikakhulukazi yama-valve azenzakalelayo njengama-valve ebhola asebenzisa umoya, kulindeleke ukuthi ibone ukukhula okukhulu, okuqhutshwa yizimboni ezifana nowoyela negesi, ukwelashwa kwamanzi, kanye namandla amasha, kanye nesifunda sase-Asia-Pacific, esiholwa yiShayina, esiba yimbangela enkulu yesidingo.

Amavalvu Ebhola vs. Amavalvu Esango kanye namavalvu Eglobe

Nakuba ama-valve esango kanye ne-globe enezindawo zawo, ngokuvamile awasebenzi kahle kakhulu kwisevisi yokuvula/ukuvala igesi uma kuqhathaniswa nama-valve ebhola.

• Amavalvu Esango:Zisebenza kancane ngesondo lesandla elijika kaningi, zivame ukuguga nokuvuza ngokuhamba kwesikhathi, futhi aziklanyelwe ukuvala ngokushesha.

• Amavalvu Embulunga:Zibangela ukwehla okukhulu kwengcindezi ngenxa yendlela yazo yokugeleza futhi zisebenza kancane; zisetshenziswa kangcono ekunqandeni ukugeleza, hhayi ukuhlukaniswa okulula.

• Amavalvu Ebhola Legesi:Nikeza ukuvala okusheshayo (ukusebenza kokujika kwekota), kudinga ukulungiswa okuncane (izingxenye ezimbalwa ezihambayo), futhi kuvumele ukugeleza okuya ohlangothini ngalunye ngaphandle kwezinkinga.

Ukukhetha Umkhiqizi We-Gas Ball Valve Othembekile

IShayina isibe yindawo enamandla emhlabeni wonke yokukhiqiza ama-valve, ibamba abakhiqizi abaningi kanye nabaphakeli abahlinzeka ngezixazululo ezingabizi kakhulu nezisebenza kahle.

Uma ukhetha umenzi noma umhlinzeki we-Gas Ball Valve, cabanga ngalokhu:

1. Izitifiketi Namazinga:Qinisekisa ukuhambisana nezindinganiso zamazwe ngamazwe ezifanele (i-ANSI, i-CE, i-UL, i-API, i-ISO) kanye nezitifiketi eziqondene nomkhakha.

2. Amandla Okwenza Ngokwezifiso:Funa abahlinzeki abanikeza imiklamo, izinto zokwakha, kanye nezinketho zokusebenzisa ezenzelwe wena ngokwezidingo zohlelo lokusebenza oluhlukile.

3. Ukuqinisekiswa Kwekhwalithi:Abakhiqizi baseShayina abadumile basebenzisa izindlela zokulawula ikhwalithi eziqinile, ukuhlolwa kwezinto, kanye nokuhlolwa kwefektri ukuqinisekisa ukuthembeka komkhiqizo.

Inzuzo Yokuthola Imithombo Ku-Abahlinzeki beValve yaseShayina

Ukubambisana nabakhiqizi be-Gas Valve abasunguliwe eShayina kunikeza izinzuzo ezihlukile:

• Ukunciphisa Izindleko:Umnotho wobukhulu kanye nobuchwepheshe bokukhiqiza ngokuvamile kuholela emananini ancintisana kakhulu ngaphandle kokunciphisa ikhwalithi.

• Ukulethwa Okusheshayo:Amanethiwekhi okuthutha aqinile futhi azinzile emhlabeni wonke avumela ukuthunyelwa ngesikhathi emakethe yamazwe ngamazwe.

• Ubuchwepheshe Bobuchwepheshe:Abakhiqizi abaningi abaphambili baseShayina banolwazi olujulile lobunjiniyela futhi banikeza ukwesekwa okuqinile kwezobuchwepheshe kanye nensizakalo yangemva kokuthengisa.

Isiphetho

Ukuze kulawulwe ukugeleza kwegesi ngokuphepha nangokusebenza kahle, ama-Gas Ball Valve ayisinqumo esihle kakhulu, angcono kakhulu kunezinye izindlela ezifana nama-gate valve nama-globe ngesivinini, ukuthembeka kokuvala, kanye nokuphila isikhathi eside. Ukuguquguquka kwawo kuwenza abe abalulekile kuzo zonke izindawo zokuhlala, zezentengiselwano, kanye nezezimboni.

Uma ufuna lezi zingxenye ezibalulekile, sebenzisana nenkampani eqinisekisiwe nethembekileUmkhiqizi osekelwe eShayinanoma umhlinzeki unikeza ukufinyelela kuzixazululo eziqinile, ezihambisanayo, nezingabizi. Kungakhathaliseki ukuthi ulondoloza ingqalasizinda ekhona noma uklama uhlelo olusha, ukutshala imali ku-Gas Ball Valve esezingeni eliphezulu kuwukutshala imali ekuphepheni, ekusebenzeni kahle, kanye nokusebenza kahle. Ikusasa lama-gas ball valve lihlakaniphile, lisebenza kahle, futhi liqhutshwa ukusungula izinto ezintsha okuvela kubaholi bomhlaba wonke, okuhlanganisa nalabo abaseShayina.