Umeluleki womkhiqizi nokukhethwa kwama-valve opayipi ekulawuleni uketshezi lwezimboni
Singumkhiqizi wamavalvu ochwepheshe onolwazi lweminyaka eminingi lokukhiqiza nokuthumela kwamanye amazwe. Sijwayelene nesakhiwo nezimiso zamavalvu ahlukahlukene futhi singakusiza ukhethe uhlobo lwamavalvu olufanele kakhulu ngokwezindawo ezahlukene zombhobho. Sizokusiza ukuthi usebenzise izindleko eziphansi ngenkathi uhlangabezana ngokugcwele nezimo zokusetshenziswa futhi uqinisekisa impilo yesevisi.
Izimo zokusebenza ezisebenzayo zevalvu
Amavalvu ethu asetshenziswa kabanzi embonini kaphethiloli, imboni yamakhemikhali, igesi yemvelo, ukwenza amaphepha, ukwelashwa kwendle, amandla enuzi, njll. Ahloselwe izimo zokusebenza ezinzima ezahlukahlukene, njengokushisa okuphezulu, umfutho ophezulu, i-asidi enamandla, i-alkalinity enamandla, ukungqubuzana okuphezulu, njll. Amavalvu ethu aguquguqukayo kakhulu. Uma udinga ukulawulwa kokugeleza, ukulawulwa kokushisa, ukulawulwa kwe-pH, njll. kwemidiya yamapayipi, onjiniyela bethu bazokunikeza nezeluleko zobungcweti kanye nokukhetha.
Amavalvu e-NSW
I-NSW ihambisana ngokuqinile nohlelo lokulawula ikhwalithi lwe-ISO9001. Siqala kusukela ezikhaleni zokuqala zomzimba we-valve, isembozo se-valve, izingxenye zangaphakathi kanye nezinamathiselo, bese sicubungula, sihlanganisa, sihlola, sipenda, bese ekugcineni sipakisha bese sithumela. Sihlola ngokucophelela i-valve ngayinye ukuqinisekisa ukuthi i-valve ayivuzi futhi iphephile ukuyisebenzisa, ikhwalithi ephezulu, ikhwalithi ephezulu kanye nokuphila isikhathi eside.
Imikhiqizo yamavalvu evame ukusetshenziswa emipayipini yezimboni
Amavalvu emipayipini yezimboni ayizesekeli zamapayipi ezisetshenziselwa ukuvula nokuvala amapayipi, ukulawula indlela yokugeleza, ukulungisa nokulawula amapharamitha (izinga lokushisa, ingcindezi kanye nokugeleza) kwendawo edluliswayo. Ivalvu iyingxenye yokulawula ohlelweni lokuthuthwa koketshezi emapayipini ezimboni. Inemisebenzi yokusika, ukusika okuphuthumayo, ukuvimba, ukulawula, ukuphambukisa, ukuvimbela ukugeleza okuphambene, ukuzinzisa ingcindezi, ukuphambukisa noma ukukhulula ingcindezi yokugcwala kanye neminye imisebenzi yokulawula uketshezi. Ingasetshenziswa ukulawula ukugeleza kwezinhlobo ezahlukene zoketshezi njengomoya, amanzi, umusi, imidiya ehlukahlukene ebolile, udaka, uwoyela, insimbi ewuketshezi kanye nemidiya enemisebe.
Izinhlobo zamavalvu epayipi lezimboni lase-NSW
Izimo zokusebenza emapayipini ezimboni ziyinkimbinkimbi, ngakho-ke i-NSW iklama, ithuthukise, futhi ikhiqize izinhlobo ezahlukene zamavalvu ezindaweni ezahlukene zokusetshenziswa ukuze ihlangabezane nemisebenzi nezidingo abasebenzisi abazidingayo ngesikhathi sokusetshenziswa.
I-Emergency Shut Down Valve iyi-valve eklanywe ngokukhethekile, esetshenziswa kakhulu kumapayipi egesi noma oketshezi, engasika ngokushesha uketshezi olusepayipini uma kunesimo esiphuthumayo ukuqinisekisa ukuphepha kwabasebenzi nemishini. Le valve ivame ukufakwa emishinini yegesi encibilikisiwe, ezitsheni zamathangi, emathangini okugcina noma emapayipini, futhi ingavalwa ngokushesha ngesandla noma ngokuzenzakalelayo uma kunesimo esiphuthumayo. Umsebenzi oyinhloko we-Emergency Shut-Down Valve ukuvala noma ukuvula ngokushesha uma kunesimo esiphuthumayo ukuvimbela izingozi noma ukunciphisa ububanzi bezingozi.
Ingaphakathi levalvu liyibhola eliyindilinga elinembobo. Ipuleti lihambisa isiqu sevalvu ukuze imbobo yebhola ivuleke ngokuphelele uma ibhekene ne-axis yepayipi, futhi ivalwe ngokuphelele uma iphendulwa ngo-90°. Ivalvu yebhola inamandla athile okulungisa futhi ingavala kahle.
Ingaphakathi le-valve liyipuleti le-valve eliyindilinga elingajikeleza nge-axis eqondile liqonde ngqo ku-axis yepayipi. Uma indiza yepuleti le-valve ihambisana ne-axis yepayipi, ivuleka ngokuphelele; uma indiza yepuleti le-valve le-butterfly iqonde ngqo ku-axis yepayipi, ivaliwe ngokuphelele. Ubude bomzimba we-valve ye-butterfly buncane futhi ukumelana nokugeleza kuncane.
Ukuma kwepulaki yevalvu kungaba yi-cylindrical noma i-conical. Kumapulaki evalvu e-cylindrical, iziteshi ngokuvamile ziyisikwele; kumapulaki evalvu anciphile, iziteshi ziyi-trapezoidal. Phakathi kwezinye izinto, i-valvu yepulaki ye-DBB ingumkhiqizo oncintisana kakhulu wenkampani yethu.
Ihlukaniswe ngesiqu esivulekile nesiqu esifihliwe, isango elilodwa nesango eliphindwe kabili, isango le-wedge nesango elihambisanayo, njll., futhi kukhona ne-valve yesango efana nommese. Usayizi womzimba we-valve yesango mncane ngasendleleni yokugeleza kwamanzi, ukumelana nokugeleza kuncane, kanti ububanzi be-valve yesango bukhulu.
Isetshenziselwa ukuvimbela ukugeleza emuva kwe-medium, isebenzisa amandla e-kinetic oketshezi uqobo ukuze izivule, futhi ivala ngokuzenzakalelayo lapho ukugeleza okuphambene kwenzeka. Ivame ukufakwa endaweni yokuphuma yepompo yamanzi, indawo yokuphuma ye-steam trap nakwezinye izindawo lapho ukugeleza okuphambene koketshezi kungavunyelwe khona. Ama-Check valve ahlukaniswe ngohlobo lwe-swing, uhlobo lwe-piston, uhlobo lokuphakamisa kanye nohlobo lwe-wafer.
Isetshenziselwa ukuvimbela ukugeleza emuva kwe-medium, isebenzisa amandla e-kinetic oketshezi uqobo ukuze izivule, futhi ivala ngokuzenzakalelayo lapho ukugeleza okuphambene kwenzeka. Ivame ukufakwa endaweni yokuphuma yepompo yamanzi, indawo yokuphuma ye-steam trap nakwezinye izindawo lapho ukugeleza okuphambene koketshezi kungavunyelwe khona. Ama-Check valve ahlukaniswe ngohlobo lwe-swing, uhlobo lwe-piston, uhlobo lokuphakamisa kanye nohlobo lwe-wafer.
Khetha amavalvu e-NSW
Kunezinhlobo eziningi zama-valve e-NSW, sikhetha kanjani i-valve, Singakhetha ama-valve ngokwezindlela ezahlukene, njengemodi yokusebenza, ingcindezi, izinga lokushisa, izinto zokwakha, njll. Indlela yokukhetha imi kanje.
Khetha nge-actuator yokusebenza kwama-valve
Amavalvu e-Actuator e-Pneumatic
Amavalvu omoya angamavalvu asebenzisa umoya ocindezelwe ukusunduza amaqembu amaningi amapiston omoya ahlanganisiwe ku-actuator. Kunezinhlobo ezimbili zama-actuator omoya: uhlobo lwe-rack kanye ne-pinion kanye ne-Scotch Yoke Pneumatic Actuator.
Amavalvu kagesi
Ivalvu kagesi isebenzisa i-actuator kagesi ukulawula ivalvu. Ngokuxhuma ku-terminal ye-PLC ekude, ivalvu ingavulwa futhi ivalwe kude. Ingahlukaniswa izingxenye eziphezulu nezingezansi, ingxenye ephezulu iyi-actuator kagesi, kanti ingxenye engezansi iyi-valvu.
Amavalvu esandla
Ngokusebenzisa ngesandla isibambo se-valve, isondo lesandla, i-turbine, igiya le-bevel, njll., izingxenye zokulawula ohlelweni lokulethwa koketshezi lwamapayipi ziyalawulwa.
Amavalvu azenzakalelayo
Ivalvu ayidingi amandla angaphandle ukuze ishayele, kodwa ithembele emandleni e-medium ngokwayo ukuze isebenze ivalvu. Njengamavalvu okuphepha, amavalvu okunciphisa ingcindezi, izithiyo zomusi, amavalvu okuhlola, amavalvu okulawula okuzenzakalelayo, njll.
Khetha ngomsebenzi wama-valve
I-valve yokusika
I-valve yokusika ibizwa nangokuthi i-valve ye-closed-circuit. Umsebenzi wayo ukuxhuma noma ukusika i-medium epayipini. Ama-valve okusika afaka ama-valve esango, ama-valve e-globe, ama-valve e-plug, ama-valve ebhola, ama-valve e-butterfly nama-diaphragm, njll.
I-valve yokuhlola
Ivalvu yokuhlola ibizwa nangokuthi ivalvu yendlela eyodwa noma ivalvu yokuhlola. Umsebenzi wayo ukuvimbela i-medium epayipini ukuthi igeleze emuva. Ivalvu engezansi yevalvu yokumunca ipompo yamanzi nayo ingeyesigaba sevalvu yokuhlola.
I-valve yokuphepha
Umsebenzi wevalvu yokuphepha ukuvimbela ingcindezi ephakathi nendawo epayipini noma kudivayisi ukuthi ingadluli inani elibekiwe, ngaleyo ndlela kufezwe injongo yokuvikela ukuphepha.
I-valve yokulawula: Ama-valve okulawula afaka phakathi ama-valve okulawula, ama-valve e-throttle kanye nama-valve okunciphisa ingcindezi. Umsebenzi wawo ukulawula ingcindezi, ukugeleza kanye neminye imingcele ye-medium.
I-valve yokuphambukisa
Ama-valve ahlukanisayo afaka ama-valve ahlukahlukene okusabalalisa kanye nezicupho, njll. Umsebenzi wawo ukusabalalisa, ukuhlukanisa noma ukuxuba imidiya esendleleni.
Khetha ngebanga lokucindezela kwama-valve
I-valve yokuhlanza
Ivalvu enengcindezi yokusebenza ephansi kunengcindezi ejwayelekile yomoya.
I-valve yokucindezela okuphansi
Ivalvu enomfutho ojwayelekile ≤ Isigaba 150lb (PN ≤ 1.6 MPa).
I-valve yokucindezela okuphakathi
Ivalvu enomfutho ojwayelekile weklasi 300lb, iklasi 400lb (i-PN ingu-2.5, 4.0, 6.4 MPa).
Amavalvu anomfutho ophezulu
Amavalvu anomfutho ojwayelekile weKlasi 600lb, iKlasi 800lb, iKlasi 900lb, iKlasi 1500lb, iKlasi 2500lb (i-PN ingu-10.0~80.0 MPa).
I-valve yokucindezela okuphezulu kakhulu
Ivalvu enomfutho ojwayelekile ≥ Isigaba 2500lb (PN ≥ 100 MPa).
Khetha ngama-valve okushisa okuphakathi
Amavalvu okushisa aphezulu
Isetshenziselwa ama-valve anezinga lokushisa lokusebenza eliphakathi t > 450 ℃.
Amavalvu okushisa aphakathi nendawo
Isetshenziselwa ama-valve anezinga lokushisa eliphakathi lokusebenza elingu-120°C.
Amavalvu okushisa ajwayelekile
Isetshenziselwa ama-valve anezinga lokushisa eliphakathi lokusebenza elingu--40 ℃ ≤ t ≤ 120 ℃.
Ama-valve e-Cryogenic
Isetshenziselwa ama-valve anezinga lokushisa eliphakathi lokusebenza elingu--100 ℃ ≤ t ≤ -40 ℃.
Amavalvu okushisa aphansi kakhulu
Isetshenziselwa ama-valve anezinga lokushisa eliphakathi lokusebenza t < -100 ℃.
Ukuzibophezela Komkhiqizi We-Valve Ye-NSW
Uma ukhetha iNkampani ye-NSW, awukhethi nje kuphela umhlinzeki wama-valve, kodwa futhi sithemba ukuthi sizoba ngumlingani wakho wesikhathi eside nothembekile. Sithembisa ukukunikeza izinsizakalo ezilandelayo