More than 20 years of OEM and ODM service experience.

Umgangatho oPhezulu weFactory yeWholeliseli yeBhola iValve yeTrunnion exhonywe kwiValve yeBhola

Inkcazelo emfutshane:

Ivalve yebhola luhlobo lwevalve yokujika kwekota esebenzisa ibhola enomngxuma, enemingxuma kunye nepivoti ukulawula ukuhamba kuyo.
Ivulwa xa umngxuma webhola uhambelana nokuhamba kwaye uvalwe xa iphivotelwe nge-90-degrees ngesiphatho sevalvu.
Umqheba ulala tyaba ngolungelelwaniso kunye nokuhamba xa uvuliwe, kwaye uxhomekeke kuwo xa uvaliwe, yenzela ukubonakala lula.
ukuqinisekiswa kwemeko yesivalo.Indawo yokuvala i-1/4 ijika inokuba kwicala leCW okanye kwiCCW.(S = VALA, O = VULA)

Ivalve yebhola efakwe kwi-TrunnionNPS:2″-56″

API 6D,API 607 ​​Firesafe,NACE MR0175, ATEX Certified.

Iqondo loxinzelelo: I-Class150-2500lbs

Ukusebenza ngesandla, ukusebenza kwe-pneumatic kunye nokusebenza koMbane.

Umzimba: Intsimbi yentsimbi, intsimbi eyenziweyo

Isihlalo:DEVLON/NYLON/PTFE/PPT/PEEK njl

I-NORTECHis enye yezona ziphambili zaseTshayinaIvalve yeBholaumzi-mveliso.


Iinkcukacha zeMveliso

Iithegi zeMveliso

Yintoni ivalve yebhola?

Iivalve yebholaluhlobo lwevalvu yekota esebenzisa ibhola enomngxuma, enemingxuma kunye nesisigxina/exhaswayo ukulawula ukuhamba kwayo kuyo.

A ivalve yebhola efakwe kwi-trunnionkuthetha ukuba ibhola linyanzeliswa ngeebheringi kwaye ivunyelwe kuphela ukujikeleza, ubuninzi bomthwalo we-hydraulic buxhaswa yiMithintelo yeNkqubo, okubangelwa ukunyanzeliswa koxinzelelo oluphantsi kwaye akukho ukukhathala kwe-shaft.

Izinto ezilungileyo zoyilo lwebhola ye-trunnion yi-torque ephantsi yokusebenza, ukusebenza ngokulula, ukunxiba kwesihlalo esincitshisiweyo (i-Stem / ibhola yodwa ikhusela ukulayishwa kwecala kunye nokunxiba kwezihlalo ezisezantsi eziphucula ukusebenza kunye nobomi benkonzo), ukusebenza kokutywinwa okuphezulu kuxinzelelo oluphezulu kunye noluphantsi (eyahlukileyo indlela yasentwasahlobo kunye noxinzelelo lomgca onyukayo isetyenziswa njengokutywina ngokuchasene nebhola emileyo kuxinzelelo oluphantsi kunye nezicelo zoxinzelelo oluphezulu).

Uxinizelelo lombhobho luqhubela isitulo esinyukayo ngokuchasene nebhola emileyo ukuze uxinzelelo lomgca lunyanzelise isitulo esinyukayo singene ebholeni ibangele ukuba ivaleke.I-anchoring yoomatshini yebhola ifunxa ukutyhala ukusuka kuxinzelelo lomgca, ukuthintela ukukhuhlana okugqithisileyo phakathi kwebhola kunye nezihlalo, ngoko ke naxa itorque yokusebenza iphantsi.

ivalve yebhola efakwe kwitrunnion

Iimpawu eziphambili zevalve yebhola ye-NORTECH

1.Ibhlokhi ephindwe kabini kunye ne-Bleed (DBB)

Xa ivalve ivaliwe kwaye i-valve ephakathi ikhutshwe ngevalve yokukhupha, izihlalo eziphezulu kunye nezisezantsi ziya kubhloka ngokuzimeleyo.Omnye umsebenzi wesixhobo sokukhupha kukuba isihlalo sevalve sinokujongwa ukuba kukho ukuvuza ngexesha lovavanyo.Ukongezelela, iidiphozithi ngaphakathi komzimba zinokuhlanjwa ngesixhobo sokukhupha.isixhobo sokukhupha senzelwe ukunciphisa umonakalo kwisihlalo ngokungcola phakathi.

ibhlokhi ephindwe kabini kunye negazi (DBB)

2.ITorque yokuSebenza ephantsi

Ivalve yebhola yombhobho wetrunnion ithatha ubume bebhola yetrunnion kunye nesitulo sevalvu edadayo, ukuze kuzuzwe itorque esezantsi phantsi koxinzelelo lokusebenza.Isebenzisa i-PTFE yokuzithambisa kunye nentsimbi etyibilikayo ekunciphiseni i-coefficient ye-friction ukuya kweyona iphantsi ngokubambisana nobunzulu obuphezulu kunye nesiqu esiphezulu sokulunga.

I-3.Isixhobo sokutywinwa ngokuNgxamisekileyo

Iivalvu zebhola ezinobubanzi obungaphezulu okanye obulingana ne-6'(DN150) zonke ziyilwe ngesixhobo sokutofa esitywiniweyo kwisikhondo nakwisihlalo.Xa i-ring yesihlalo okanye i-stem O yeringi yonakele ngenxa yengozi, isitywini esihambelanayo sinokutofwa ngesixhobo sokutofa esitywiniweyo ukunqanda ukuvuza okuphakathi kwiringi yesitulo kunye nesiqu.Ukuba kuyimfuneko, inkqubo encedisayo yokutywina ingasetyenziselwa ukuhlamba kunye nokuthambisa isihlalo ukugcina ukucoceka kwaso.

Isixhobo sokutofa i-Sealant

isixhobo sokutofa kwe-sealant

6.Isakhiwo sokutywinwa kwesitulo esithembekileyo

Ukutywinwa kwesitulo kuphunyezwa ngezigcini-zitulo ezibini ezidadayo, ziyakwazi ukudada nge-axially ukuvala ulwelo, kubandakanywa ukutywinwa kwebhola kunye nokutywinwa komzimba. Ukutywinwa koxinzelelo oluphantsi lwesihlalo sevalvu kufezekiswa nge-spring pre tightened. Ukongeza, isiphumo sepiston yesitulo sevalve iyilwe ngokufanelekileyo, eqonda ukutywinwa koxinzelelo oluphezulu ngoxinzelelo lwesixhobo esiphakathi ngokwaso. Ezi ntlobo zimbini zilandelayo zokutywinwa kwebhola zinokufezekiswa.

isiqu esingatshiyo
isihlalo somlilo

7.Ukutywinwa okukodwa

(I-Automatic Pressure Relief kwi-Middle Cavity yeValve) Ngokubanzi, isakhiwo sokutywina esinye siyasetyenziswa. Oko kukuthi, kukho ukutywina okungaphezulu kuphela.Njengoko i-spring ezimeleyo elayishwe phezulu kunye nezihlalo zokutywina ezisezantsi zisetyenziselwa, uxinzelelo olungaphezulu ngaphakathi kwevalvu yevalvu lunokoyisa umphumo wokuqina kwangaphambili kwentwasahlobo, ukwenzela ukuba isitulo sikhululwe ebholeni kwaye siqonde ukukhululeka koxinzelelo oluzenzekelayo ukuya kwindawo esezantsi. .Icala elinyukayo: Xa isihlalo sihamba nge-axially ecaleni kwevalve, uxinzelelo "P" olubekwe kwindawo enyukayo (i-inlet) ivelisa amandla abuyela umva kwi-A1, Njengoko i-A2 iphezulu kune-A1, i-A2-A1=B1, amandla ku-A1. I-B1 iya kutyhala isihlalo kwibhola kwaye iqonde ukutywinwa okuqinileyo kwenxalenye engasentla

8. Ukutywinwa kabini (ipiston ephindwe kabini)

Ivalve yebhola yombhobho wetrunnion inokuyilwa kunye nesakhiwo sokutywina kabini phambi nasemva kwebhola ukulungiselela iimeko ezithile zenkonzo eyodwa kunye neemfuno zomsebenzisi.Inomphumela wepiston kabini.Phantsi kwemeko eqhelekileyo, ivalve ngokubanzi ithatha ukutywinwa okuphambili.Xa isihlalo esisitywinayo sonakele kwaye sibangela ukuvuza, isihlalo sesibini sinokudlala umsebenzi wokutywina kunye nokwandisa ukuthembeka kokutywina.isihlalo samkela isakhiwo esidityanisiweyo.Itywina eliphambili yintsimbi ukuya kwitywina lesinyithi.Itywina lesibini yirubha ye-fluorine O ring enokuqinisekisa ukuba ivalve yebhola inokufikelela kwinqanaba le-bubble yokutywinwa.Xa umahluko woxinzelelo usezantsi kakhulu, isihlalo sokutywina siyakucinezela ibhola kwintshukumo yasentwasahlobo ukuze kuqatshelwe ukutywinwa kokuqala.Xa umahluko woxinzelelo unyuka, amandla okutywinwa kwesihlalo kunye nomzimba aya kunyuka ngokufanelekileyo ukuze utywine ngokuqinileyo isihlalo kunye nebhola kunye nokuqinisekisa ukusebenza kakuhle kokutywinwa.

Ukutywinwa okuphambili: Phezulu.

Xa umahluko woxinzelelo usezantsi okanye kungekho mahluko woxinzelelo, isitulo esidadayo siya kuhamba nge-axially ecaleni kwevalve phantsi kwentshukumo yasentwasahlobo kwaye sityhalele isitulo ngakwibhola ukugcina ukutywinwa okuqinileyo.Xa isihlalo sevalve singaphezulu kwamandla asetyenziswayo kwindawo A1, A2- A1=B1. Ke ngoko, amandla kwi-B1 aya kutyhala isitulo ukuya ngaseBholeni kwaye aqonde ukutywinwa okuqinileyo kwendawo enyukayo.

Ukutywinwa okwesibini: kumlambo osezantsi.

Xa umahluko woxinzelelo usezantsi okanye kungekho mahluko woxinzelelo, isitulo esidadayo siya kuhamba nge-axially ecaleni kwevalve phantsi kwentshukumo yasentwasahlobo kwaye sityhale isitulo sisiya ebholeni ukugcina ukutywinwa okuqinileyo.Xa umfutho wevalve emngxunyeni unyuka, amandla asetyenziswa kwindawo A4 yesitulo sevalve phezulu kunomandla owenziwe kwindawo A3, A4- A3=B1. Ngoko ke, amandla kwi-B1 aya kutyhala isitulo ngakwibhola kwaye aqonde. ukutywinwa okuqinileyo kwendawo ephezulu.

9.Isixhobo soNcedo loKhuseleko

Njengoko ivalve yebhola yenzelwe ukutywinwa okuphambili kunye nokutywinwa kwesibini okunempembelelo yepiston ephindwe kabini, kwaye umgodi ophakathi awunakukwazi ukuqonda ukukhululeka koxinzelelo oluzenzekelayo, ivalve yokhuseleko kufuneka ifakwe emzimbeni ukuze kuthintelwe ingozi yomonakalo ongaphaya koxinzelelo. ngaphakathi kwendawo yevalve enokuthi yenzeke ngenxa yokwandiswa kwe-thermal medium.Enye ingongoma ekufuneka iqwalaselwe kukuba i-valve yoncedo yokhuseleko ikhutshelwa ngqo emoyeni.Kwimeko yokukhutshwa ngokuthe ngqo kwi-atmospheric akuvumelekanga, sicebisa ukuba i-valve yebhola enesakhiwo esikhethekileyo sokunciphisa uxinzelelo oluzenzekelayo ngokubhekiselele kumlambo ophezulu kufuneka isetyenziswe.Jonga oku kulandelayo ngeenkcukacha.Nceda uyibonise ngokolandelelwano ukuba awufuni ivelufa yoncedo yokhuseleko okanye ukuba ungathanda ukusebenzisa ivalve yebhola enesakhiwo esikhethekileyo sokunciphisa uxinzelelo oluzenzekelayo ukuya kumsinga ongentla.

ukutywinwa okukodwa
ukutywinwa okukodwa 02
isixhobo soncedo lokhuseleko

10.Ulwakhiwo oluKhethekileyo loNcedo oluSebenzayo lokuNxinzelela kuMsinga oPhezulu

Njengoko ivalve yebhola yenzelwe ukutywinwa okuphambili kunye nokutywinwa kwesibini okunesiphumo sepiston ephindwe kabini, kwaye umgodi ophakathi awunakukwazi ukukhupha uxinzelelo oluzenzekelayo, ivalve yebhola idizayini ekhethekileyo iyacetyiswa ukuba ihlangabezane neemfuno zoxinzelelo oluzenzekelayo kwaye iqinisekise ukuba akukho ngcoliseko. Kwimeko engqongileyo. Kwisakhiwo, umlambo ongentla uthatha ukutywinwa okuphambili kwaye umlambo osezantsi uthatha ukutywinwa kokuqala kunye nesibini Xa ivalve yebhola ivaliwe, uxinzelelo kwi-valve cavity inokuqonda ukukhululeka koxinzelelo oluzenzekelayo kumsinga ongasentla, ukuze ugweme. Xa isitulo sokuqala sonakele kwaye sivuza, isihlalo sesibini sinokudlala umsebenzi wokutywina. Kodwa ingqwalasela eyodwa iya kuhlawulwa kwicala lokuhamba kwevalve yebhola ngexesha lofakelo. izalathiso ezisezantsi zomlambo.Jonga le mizobo ilandelayo yomgaqo wokutywina wevalve enesakhiwo esikhethekileyo

Umzobo womgaqo wevalvu yebhola ephuma phezulu nasezantsi

ukutywinwa kabini
ukutywinwa kabini 2
isakhiwo sesihlalo 01

Umzobo womgaqo wokuthomalalisa uxinzelelo lwevalvu yevalve kumsinga ongasentla kunye nokutywinwa komsinga osezantsi

isakhiwo sesihlalo02

12.Ukunyangwa kwe-Corrosion kunye ne-Sulfide Stress Resistance

Isibonelelo esithile somhlwa sishiywe kubunzima bodonga lomzimba.

Isiqu se-carbon steel, i-shaft esisigxina, ibhola, isihlalo kunye neseyile yesihlalo zixhomekeke kwimichiza ye-nickel plating ngokwe-ASTM B733 kunye ne-B656. Ukongeza, izinto ezahlukeneyo zokuxhathisa i-corrosion ziyafumaneka kubasebenzisi ukuba bakhethe. Ngokweemfuno zabathengi, izixhobo zevalve zingakwazi ukhethwe ngokuhambelana ne-NACE MR 0175 / ISO 15156 okanye i-NACE MR 0103, kwaye ulawulo olungqongqo lomgangatho kunye nokuhlolwa komgangatho kufuneka kwenziwe ngexesha lokuvelisa ukuze kuhlangatyezwane ngokupheleleyo neemfuno kwimigangatho kunye nokuhlangabezana neemeko zenkonzo kwindawo yesulfurization.

11.Blow-out Isiqu sobungqina

Isiqu samkela ubume bobungqina bokuvuthela. Isiqu senziwe saneenyawo emazantsi aso ukuze ngokumiswa kwesigqubuthelo esingasentla kunye nesikrufu, isikhondo asiyi kuvuthelwa sisiphakathi nokuba kunyuke uxinzelelo olungaqhelekanga. umgodi wevalve.

Isiqu sobungqina bokuvuthuza

khupha isikhondo

13.Isiqu Sokwandiswa

Ngokuphathelele ivalve efakelweyo, isiqu sokwandisa sinokubonelelwa ukuba umsebenzi womhlaba uyafuneka.Isikhondo sokwandiswa senziwe sisikhondo, ivalve yesitofu sealant, kunye nevalve yokukhupha amanzi enokwandiswa ukuya phezulu ukwenzela ukuba kube lula ukusebenza.Abasebenzisi kufuneka babonise iimfuno zokwandiswa kwesikhondo kunye nobude xa befaka iiodolo.Kwivalve yebhola eqhutywa ngombane, i-pneumatic kunye ne-pneumatic - i-hydraulic actuators, ubude besiqu sokwandisa kufuneka busuke kumbindi wombhobho ukuya kwiflange ephezulu.

Isazobe somzobo wesiqu esongezelelweyo

isiqu esandisiweyo

Iinkcukacha zevalve yebhola ye-NORTECH

IiNgcaciso zobuGcisa beValve yeBhola

Idayamitha yegama

2”-56”(DN50-DN1400)

Uhlobo loQhagamshelwano

RF/BW/RTJ

Umgangatho woyilo

I-API 6D/ASME B16.34/API608/MSS SP-72 ivalve yebhola

Izinto zomzimba

Intsimbi ekhandiweyo/Intsimbi ekhutshiweyo/Intsimbi engatyiwayo/Intsimbi ekhutshiweyo

Izinto zebhola

A105+ENP/F304/F316/F304L/F316L

Izinto zokuhlala

PTFE/PPL/NYLON/PEEK

Ubushushu bokusebenza

Ukuya kuthi ga kwi-120°C ye-PTFE

 

Ukuya kuthi ga kwi-250 ° C ye-PPL/PEEK

 

Ukuya kuma-80°C kwiNYLON

Ukuphela kweFlange

ASME B16.5 RF/RTJ

BW ekupheleni

I-ASME B 16.25

Ubuso ngobuso

I-ASME B 16.10

Ubushushu boxinzelelo

ASME B 16.34

Ukhuseleko lomlilo&anti-static

API 607/API 6FA

Umgangatho wokuhlola

API598/EN12266/ISO5208

Ubungqina bokuboniswa

ATEX

Uhlobo lomsebenzi

Ibhokisi yegiya yesandla/Isivusi somoya/Isivusi sombane

• I-ISO 5211 iphedi yokunyusela ehambelana neentlobo ezahlukeneyo ze-actuator;

• Ulwakhiwo olulula, ukutywinwa okuthembekileyo kunye nokugcinwa lula.

• i-anti-static kunye noyilo olukhuselekileyo lomlilo.

• Isiqinisekiso se-ATEX sobungqina bokudubula.

uMboniso weMveliso:

i-trunnion-ball-valve-03
i-trunnion-ball-valve-04
i-trunnion-ball-valve-05

Ukusetyenziswa kwevalve yebhola ye-NORTECH

Olu hloboIvalve yeBholaisetyenziswa kakhulu ekuxhaphazeni, ekusulungeni nasekuthuthweni kwe-oyile, irhasi kunye nezimbiwa.Ingasetyenziselwa ukuvelisa iimveliso zemichiza, amayeza;inkqubo yokuvelisa umbane ophehlwa ngamanzi, amandla obushushu kunye namandla enyukliya;inkqubo yokukhupha amanzi,

 


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