Kwihlabathi lolawulo lolwelo lwemizi-mveliso, apho ukugqwala, uxinzelelo oluphezulu, kunye nobushushu obugqithisileyo kuyinto eqhelekileyo, iivalvu zentsimbi engagqwaliyo ezisemgangathweni zinokungasebenzi kakuhle. Kwizicelo apho ukusilela kungeyondlela ifanelekileyo, iinkokheli zoshishino ziphendukela kuIivalvu zePlug zeSteel Stainless ezisemgangathweni ophezuluEzi valve zimele eyona ncopho yesayensi yezinto eziphathekayo kunye nobunjineli, zibonelela ngokusebenza okungenakuthelekiswa nanto kunye nobude bexesha. Kwi-NSW Valve, njengomvelisi weevalvu zeplagi zentsimbi engagqwaliyo ezikumgangatho ophezulu, sicwangcisa ezi valves ziqinileyo ukuze sihlangabezane nemingeni enzima yokusebenza.
Ukuqonda uBume beNsimbi Engagqwaliyo
Igama elithi “intsimbi engagqwaliyo kakhulu” libhekisa kwiqela lee-alloys eziphambili ezenzelwe ukwenza ngcono kuneentsimbi ezixhaphakileyo ezingama-300 (ezifana ne-304 okanye i-316). Iimpawu zazo ezibalaseleyo zivela kulwakhiwo olulinganisiweyo ngononophelo olujikeleze amanqanaba aphezulu e-nickel, i-chromium, kunye ne-molybdenum.
Intsimbi Engagqwaliyo Enkulu: A890 4A, 2205, S31803
Intsimbi Engagqwaliyo Enkulu: A890 5A, 2507, S32750
Intsimbi Engagqwaliyo Enkulu: A890 6A, Z100, S32760
Intsimbi Engagqwaliyo yeSuper Martensitic
Olu hlobo lunesakhiwo sesiseko se-martensitic esithambileyo esinomxholo ophezulu we-chromium (ngesiqhelo malunga ne-16%) kwaye sinokuba ne-austenite egciniweyo eyi-10% ukuya kwi-40%. Ulwakhiwo oluqhelekileyo luquka iCarbon (C) ≤0.08%, iChromium (Cr) 16%~18%, kunye neNickel (Ni) 8%~12%. Olu dibaniso lunika amandla aphezulu kunye nokumelana nokugqwala okuphuculweyo ngaphezu kweentsimbi ze-martensitic eziqhelekileyo.
Intsimbi Engagqwaliyo Enkulu E-Austenitic
Ezi ngxubevange zibonakala ngokuba zezona zisetyenziswa kakhulu yi-austenitic, ziqulathe malunga ne-24% ~ 26% yeChromium, 6% ~ 8% yeNickel, kunye ne-3% ~ 3.7% yeMolybdenum. I-nitrogen (N) yongezwa (0.24% ~ 0.32%) ukuze kuqiniswe isisombululo esiqinileyo. Okubaluleke kakhulu, umxholo wekhabhoni ulawulwa ngokungqongqo kwi-≤0.03% ukunciphisa umngcipheko wokugqwala kwe-intergranular.
Iimpawu zoBume ngokubanzi
Uninzi lweentsimbi ezingenasici ziqulathe iMolybdenum (Mo) ukuze yonyuse kakhulu ukumelana nokugqwala kwemingxuma kunye nemingxunya, ingakumbi kwiindawo ezityebileyo ngechloride. I-Nickel yonyusa ukuqina kunye nokuqina, ngelixa iChromium yenza umaleko we-oxide oqinileyo, okhuselayo phezu komphezulu. Izinto ezifana neManganese (Mn) kunye neSilicon (Si) zihlengahlengiswa ukuze zilungelelanise iinkqubo zokubumba kunye nokuvelisa.
Iingenelo eziphambili zokusebenzisa iiValve zePlug zeSteel Stainless Steel
Ukudibanisa izinto zentsimbi engagqwaliyo kakhulu noyilo lwevalvu yeplagi kudala icandelo lokuthembeka nokusebenza okugqwesileyo.
Ukumelana nokugqwala kunye nokufaneleka kobushushu obuphezulu
Umthamo ophezulu weNickel, Chromium, kunye neMolybdenum unika ukumelana nokugqwala kunye nozinzo oluphezulu lobushushu kuneentsimbi eziqinileyo eziqinileyo. Iivalvu zeplagi zentsimbi enganyangekiyo ezisemgangathweni ophezulu zinokusebenza ixesha elide kwiindawo ezinoburhalarhume ezinee-asidi ezinamandla, ii-alkalis, kunye nee-chloride, apho amaqondo obushushu aphezulu afikelela kwi-325°C nangaphezulu kwiindidi ezithile.
Ukusebenza kokutywina kunye nokuqinisekiswa kokungavuzi
Iivalvu zethu zeplagi zinoyilo oluchanekileyo, oluhlala lunesakhiwo seringi yegroove esitywinwa kabini. Njengoko iplagi ijikeleza, ivelisa uxinzelelo olwaneleyo ukuze ifikelele kwitywina elingangeni bubble, elingavuziyo kwiindawo ezivulekileyo nezivaliweyo ngokupheleleyo. Isenzo sokusula phakathi kwesingxobo sePTFE kunye neplagi sicoca iindawo zokutywina kwaye sandisa ubomi benkonzo, kwaye ukusebenza kokutywina kuxhomekeke kuxinzelelo lomgca.
Ulwakhiwo oluKhawulezayo kunye nokuguquguquka kokusebenza
Ngoyilo olulula olunezimbobo ezipheleleyo, ezithe tye okanye ezithathu, ezi valve zincinci kwaye zilula, nto leyo eyenza ukuba zilungele ukusetyenziswa rhoqo. Ukujikeleza okulula kwama-degree angama-90 kuphela okufunekayo ukuvula okanye ukuvala ivalvu, okwenza kube lula ukwenza izinto ngokuzenzekelayo kunye nolawulo olukude ngelixa kugcinwa iindleko zokulungisa ziphantsi.
Ukuqina kunye nobomi benkonzo ende kwiindawo ezinzima
Ixabiso lokwenyani levalvu yeplagi yentsimbi engagqwaliyo kakhulu lingqinwa phantsi kweemeko ezinzima kakhulu.
Ukumelana nokugqwala
Ii-alloys ze-Super austenitic (umz.,UB6, 904L, 254SMO, AL-6XN) zibonisa ukumelana okungaqhelekanga kuluhlu olubanzi lweendaba ezibolayo, nto leyo evumela ukusebenza okuzinzileyo kwiindawo ezine-pH ukusuka ku-0 ukuya kwi-14. Oku kuthintela ngokufanelekileyo ukuwohloka kwesakhiwo okubangelwa kukuhlaselwa ziikhemikhali.
Ukumelana nobushushu obuphezulu kunye noxinzelelo oluphezulu
Ezi valve zakhiwe ukuze zikwazi ukumelana neemeko ezinzima zenkonzo, zikwazi ukumelana namaqondo obushushu afikelela kwi-400°C kunye noxinzelelo olufikelela kwi-16MPa. Umzekelo, iimveliso ze-NSW Valve zenzelwe ubushushu obuphakathi kwe--40°C ukuya kwi-400°C kwaye ziyahlangabezana neemfuno zoxinzelelo oluphakathi kwe-1.0-2.5MPa nangaphezulu, nto leyo ezenza zifaneleke ukusetyenziswa kwe-petrochemical kunye nokuveliswa kwamandla.
Ukusebenza koomatshini kunye noBulungisa bokutywina
Iintsimbi ezingenasici zibonelela ngomxube ogqwesileyo wokuqina okuphezulu, ukuqinisekisa ukuba umzimba wevalvu kunye nezinto zangaphakathi ziyamelana nokuguquguquka phantsi koxinzelelo oluphezulu kunye noxinzelelo lokuhamba kwamanzi. Uyilo oluqinileyo lokutywina luqinisekisa ukusebenza okuqinileyo kokuvuza nasemva kokujikeleza ixesha elide, kuhambelana nemigangatho engqongqo efana ne-API 607.
Ukusebenza kakuhle kweendleko: Utyalo-mali lwexesha elide
Nangona utyalo-mali lokuqala kwivalvu yeplagi yentsimbi engagqwaliyo esemgangathweni lunokuba phezulu kunevalvu eqhelekileyo, lutyalo-mali olucwangcisiweyo lwexesha elide. Ubomi benkonzo obongezelelweyo kakhulu, ukuncipha kokuphindaphinda kokutshintshwa, kunye neemfuno ezincinci zolondolozo zikhokelela ekuncipheni kakhulu kweendleko zizonke zobunini (TCO). Ukuthintela ixesha lokungasebenzi elingacwangciswanga, ilahleko zemveliso, okanye iziganeko zokusingqongileyo ngenxa yokusilela kwevalvu kunika iingenelo ezinkulu zemali kunye nokusebenza.
Izicelo zeMveliso zeSuper Stainless Steel Plug Valves
Ezi valves zezona zikhethwayo kuzo zonke iindawo apho ukusebenza kubaluleke kakhulu.
Ishishini lePetrochemical
Isetyenziswa kwizixhobo zokukhupha, zokudlulisa, nezokucoca intsimi yeoyile—ezifana nezixhobo eziyintloko yemithombo, imibhobho yokudlulisa, kunye nolawulo lokungena/lokuphuma kwiitanki zokugcina ioyile ekrwada. Amandla azo oxinzelelo oluphezulu (ngaphezulu kwe-10MPa) kunye nokumelana nokugqwala zibamba ii-sulfide kunye nezinye izinto ezirhabaxa kwioyile ekrwada.
Ukuhanjiswa kwegesi yendalo
Kubalulekile ukulawula ukuhamba kwamanzi kwiipayipi ezikude, kwizikhululo ezilawula uxinzelelo, nakwizikhululo zecompressor, apho kufuneka zimelane noxinzelelo olungaphezulu kwe-20MPa. Izinto ezisetyenziswayo zihlala zii-alloys ezisekelwe kwi-nickel okanye iintsimbi ezingenasici ezimelana nokubhitya kwe-hydrogen, ezibonisa uyilo oluchasene nokunganyakazi kunye nolwe-superior sealing.
Ulawulo lweMidiya yeKhemikhali eyonakalisayo
Ilungele ukuphatha imibhobho equlethe izisombululo ze-asidi/ze-alkali, ii-oxidizer ezinamandla (umz., i-nitric acid), okanye izinyibilikisi ze-organic. Iindawo ezimanzi, ezidla ngokugqunywa nge-PTFE okanye ezenziwe ngee-alloys ezifana neHastelloy, zibonelela ngokumelana nokugqwala okufunekayo kunye neempawu zokhuseleko ezifana noyilo olukhuselekileyo emlilweni.
Ulawulo lweMidiya yeCryogenic
Ifanelekile ukusetyenziswa kwegesi enyibilikisiweyo njenge-LNG (igesi yendalo enyibilikisiweyo, ukuya kuthi ga kwi--162°C) kwiindawo zokungena/zokuphuma kwiitanki zokugcina kunye neendawo zokulayisha. Imizimba yeevalvu yenziwe ngeentsimbi ezingenasici eziphathwe ngokukodwa ukuze zisetyenziswe kubushushu obuphantsi, kunye nezitywino ezenziwe ngezinto ezifana nerabha ye-EPDM.
Ukuthelekisa: Iivalvu zePlug zeSuper Stainless vs. Ezinye iintlobo zeValve
Ivalvu yePlug yeSteel Stainless eNkulu kakhulu xa kuthelekiswa neValve yePlug yeSteel Stainless.Ivalvu yeBhola
• Ulwakhiwo lokutywina kunye nokuthembeka:Iivalvu zeplagi zisebenzisa uyilo lweplagi enciphileyo enika indawo enkulu yokutywina kunye nesenzo sokubhitya. Oku kudla ngokukhokelela kwisitywina esithembekileyo nesiqinileyo xa kuthelekiswa nomgca wokudibana kwezihlalo zevalvu yebhola, ingakumbi xa kusetyenziswa amasuntswana arhabaxa okanye ukujikeleza rhoqo okunokonakalisa izihlalo zevalvu yebhola.
• I-Torque Yokusebenza:Ivalvu yebhola idla ngokuba ne-torque ephantsi yokusebenza, ingakumbi xa ijika ngekota. Nangona kunjalo, ivalvu yeplagi ethanjiswe kakuhle isebenza kakuhle.
• Ukufaneleka:Nangona iivalvu zebhola zibalaseleyo kwinkonzo yokuvula/yokucima ulwelo olucocekileyo, iivalvu zeplagi zentsimbi engagqwaliyo zihlala zingcono ekuphatheni i-slurry, ulwelo oluxineneyo, kunye ne-abrasive media ngenxa yesenzo sazo sokusula kunye nokuvala okuqinileyo.
Ivalvu yePlug yeSteel Stainless ephezulu kakhulu xa ithelekiswa neValve yeSango
Uthelekiso phakathiiivalvu zeplagi zentsimbi engagqwaliyokwayeiivalvu zesangoigxile kakhulu kwiimpawu zesakhiwo sayo, usetyenziso olufanelekileyo, kunye nomahluko ekusebenzeni:
• Ulwakhiwo kunye noMgaqo-siseko wokuSebenza
Iivalvu zokutywina zivula zize zivale ngokujikeleza iplagi ngama-90 degrees. Umphezulu wazo wokutywina uxhomekeke ekudibaneni ngqo phakathi kweplagi kunye nesihlalo sevalvu, kodwa intsimbi engatyiwayo kakhulu iphucula ukusebenza kokutywina. Iivalvu zesango, kwelinye icala, zivula zize zivale ngokuphakamisa nokwehlisa idiski yesango. Ukutywina kwazo kuxhomekeke ekungqubaneni phakathi kwediski kunye nesihlalo sevalvu, kwaye ukuvulwa okuncinci ixesha elide kunokukhokelela ekugugeni.
• Uxinzelelo kunye nobushushu obufanelekileyo
Iivalvu zeplagi zentsimbi engagqwaliyo zifanelekile ukusetyenziswa koxinzelelo oluphantsi ukuya koluphakathi (ngesiqhelo ≤ 1.6 MPa). Ngenxa yokuba isitywino sazo sixhomekeke ekudibaneni ngqo, zinokulungela ukuvuza xa zixinezelekile. Iivalvu zesango, kwelinye icala, zinokumelana noxinzelelo oluphezulu ukuya koluphezulu kakhulu (ezifana neeyunithi ze-hydrogenation ze-petrochemical) kwaye zifezekise ukutywinwa okuthembekileyo ngokusasazwa koxinzelelo lwemidiya.
• Ukuhambelana kweendaba
Iivalvu zeplagi zilungele ngakumbi imidiya ecocekileyo, ene-viscosity ephantsi (njengamanzi nomoya). Imidiya equlethe amasuntswana okanye i-viscosity ephezulu inokubangela ukunamathela ngokulula. Iivalvu zesango zilungele uluhlu olubanzi lwemidiya (kuquka iikhemikhali ezirhabaxa kancinci) kwaye zilungele ngokukodwa ukusetyenziswa okufuna ukuvalwa kolwelo.
• Ukusebenza kunye noLondolozo
Iivalvu zeplagi zine-torque ephantsi yokuvula nokuvala kwaye azikhuhlani, nto leyo eyenza kube lula ukuzigcina (ukungcola kungasuswa ngokukhawuleza). Ivalvu yesango ine-torque enkulu yokusebenza, kwaye umphezulu wokuvala udlaka lula emva kokusetyenziswa ixesha elide. Ukungcola okuphakathi kunokubangela ukuvuza.
Ukumelana nezinto kunye nokugqwala
Eyona nto iphambili yokwahlulahlula yimpahla. I-Super Stainless Steel Plug Valve isebenzisa ii-alloys eziphambili (umz., i-duplex, i-super duplex, i-super austenitic) ezinika ukumelana okukhulu kwi-pitting, i-crevice corrosion, kunye ne-stress corrosion cracking (SCC) kune-Stainless Steel Ball Valve eqhelekileyo eyenziwe nge-316SS, ngakumbi kwiindawo ezine-chloride ephezulu.
Iingcebiso Zokugcina Izinto Zisebenza Kakuhle
Sebenzisa ixesha elide lokusebenzisa iivalvu zakho ngononophelo olufanelekileyo.
Ukugcinwa kweTywina
Hlola rhoqo iindawo zokutywina zeplagi kunye nomzimba ukuze ubone ukuba azigugi okanye azinamhlwa. Coca kakuhle ukuze ususe nayiphi na inkunkuma eqokeleleneyo enokubangela ukuba isitywina sibe sengozini.
Ulawulo lokuthambisa
Kwiivalvu zeplagi ezithanjiswe ngethambiso, gcina ukuthambisa okufanelekileyo ngokufaka igrisi esebenza kakuhle (njenge-EL-80) njengoko kucetyiswayo ukuqinisekisa ukusebenza kakuhle nokukhusela iindawo zokutywina.
Izikhokelo Zokusebenza
Sebenzisa ivalvu kakuhle nangokulinganayo ekujikeni kwayo ngama-90 degrees. Kuphephe ukubetheka okubuhlungu okanye amandla agqithisileyo. Ukuba ukusebenza kuba nzima, phanda unobangela endaweni yokuwunyanzela.
Uhlolo oluQhelekileyo
Sebenzisa ishedyuli yokuhlolwa rhoqo. Kucetyiswa ukuba uhlole ukuvuza kwangaphandle kunye nokugqwala rhoqo ngenyanga. Kufuneka kwenziwe uhlolo olucokisekileyo lwe-actuator (ukuba ikhona) kunye nenkqubo yokuthambisa rhoqo ngekota.
Ukukhetha Umthengisi weValve yoMgangatho oLungileyo
Ukukhetha iqabane kudlula ukuthenga imveliso. Khetha umthengisi weevalvu zeplagi zentsimbi engagqwaliyo ezisemgangathweni kunye nomzi-mveliso ofana ne-NSW Valve onikezela ngezi zinto zilandelayo:
• Ukwenziwa Kwemveliso Ngaphakathi:Ulawulo kuyo yonke inkqubo yemveliso, ukusuka ekukhetheni izinto ukuya ekuchwethezeni.
• Ukulandeleka kwezinto:Iingxelo zovavanyo lwe-mill eziqinisekisiweyo (ii-MTR) eziqinisekisa ukwakheka kwe-alloy.
• Ubuchule boBugcisa:Inkxaso yobunjineli ukukunceda ukhethe ivalvu kunye nezinto ezifanelekileyo kwisicelo sakho esithile.
• Iziqinisekiso zoMgangatho:Ukunamathela kwimigangatho yamazwe ngamazwe (i-API, i-ASME, i-ISO).
• Inkxaso Emva Kokuthengisa:Inkonzo yabathengi ethembekileyo kunye nokufumaneka kwezixhobo ezingasetyenziswanga.
Khetha iiValve zePlug zeSteel Stainless eziNgcono kakhulu
Izixhobo:I-ASTM A890 4A, i-ASTM A890 5A, i-ASTM A890 6A, i-ASTM A890 5A, i-UNS S32550, i-S32750, i-S32760, 2205, 2507, i-Z100
Ubukhulu:I-NPS: 1/2, 3/4, 1, 1 1/2, 2, 2 1/2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 24, 28, 32, 36, 40 Inch.
Uluhlu loxinzelelo:Iklasi ye-150lb, 300lb, 600lb, 900lb, 1500lb, 2500lb, njl.
Uqhagamshelo:I-Flange RF, iFlange RTJ, iFlange FF, Umsonto, iWeld enezinqe, iSocket Weld, njl.
Ukusebenza:Ivili lesandla, i-Pneumatic Actuator, okanye i-Electric Actuator.
Iziqinisekiso:API 6D, API 599, ASME B16.34, API 607, ISO 15848-1, ISO 15848-2.
Umenzi weevalvu zePlug zeSteel Stainless ezikumgangatho ophezulu kwihlabathi liphela
UEmerson (uFisher)
I-Fisher luphawu lweevalvu oludumileyo kwihlabathi liphela, olunikezela uluhlu olubanzi lweevalvu zeplagi ezisetyenziswa kakhulu kwimizi-mveliso yeoyile, igesi kunye neekhemikhali, ezidume ngomgangatho wazo ophezulu kunye nokuthembeka kwazo.
INDLELA
I-ROUTH ngumthengisi weevalvu ohamba phambili kwihlabathi liphela, ebonelela ngeevalvu zeplagi ezisebenzayo kakhulu, ezifanelekileyo ngokukodwa kumashishini okucoca ioyile, igesi, kunye namanzi amdaka, ezinokumelana nokugqwala okugqwesileyo kunye nokusebenza kakuhle kobushushu obuphezulu.
I-Swagelok
ISwagelok ngumthengisi weevalvu zobungcali eMelika, enikezela ngeevalvu zeplagi ezikumgangatho ophezulu zokulawula ulwelo ngokuchanekileyo, ezisetyenziswa kakhulu kwimizi-mveliso yeoyile, igesi, iikhemikhali kunye neelebhu.
I-NSW ngumthengisi weevalvu zobungcali kunye nomenzi eTshayina. Sinikezela ngeevalvu zeplagi zentsimbi engagqwaliyo ezikumgangatho ophezulu, iivalvu zebhola, iivalvu zesango, iivalvu zebhabhathane, kunye nezinye iimveliso. Iimveliso zethu zisetyenziswa kakhulu kwimizi-mveliso yeoyile, igesi, i-LNG, ukuveliswa kombane, kunye nemizi-mveliso yaselwandle.
UROBERTSON (e-USA)
UROBERTSON, umenzi weevalvu, unikezela uluhlu olubanzi lweevalvu zeeplagi ezisetyenziswa kakhulu kwiindawo ezinobushushu obuphezulu kunye noxinzelelo oluphezulu, kuquka nezo zikwimizi-mveliso yeekhemikhali, yeoyile, kunye nombane.
Isiphelo: Tyala imali kuMgangatho ukuze Uphumelele kwiShishini
Kwiinkqubo ezibalulekileyo zoshishino, ukusilela kwecandelo akuyondlela ifanelekileyo. Ukukhetha iivalvu zeplagi zentsimbi engagqwaliyo ezisemgangathweni ezivela kumvelisi odumileyo ofana ne-NSW Valve kutyalo-mali kukhuseleko, ukuthembeka, kunye nokusebenza kakuhle. Ngokuqonda izixhobo zabo ezigqwesileyo, iingenelo, kunye nezicelo ezifanelekileyo, ungenza isigqibo esinolwazi esiqinisekisa ukusebenza kwexesha elide kwaye sikhusele izinto zakho ezixabisekileyo. Sebenzisana nomthengisi onikezela kungekuphela nje ngemveliso, kodwa nesisombululo sobunjineli esakhelwe ukuhlala ixesha elide.
Ngaba ukulungele ukucacisa ivalvu efanelekileyo kwisicelo sakho esinzima? Nxibelelana neengcali ze-NSW Valve namhlanje ukuze uxoxe ngeemfuno zakho.
Ixesha leposi: Sep-09-2025