Iivalve zebhabhathane ngamalungu abalulekileyo okulawula ukuhamba kwemibhobho kumashishini ahlukeneyo.Phakathi kweentlobo ezahlukeneyo ezikhoyo, i-wafer kunye ne-flange butterfly valves kunye ne-flange-flange butterfly valves zibalasele ngeempawu zazo ezizodwa kunye nokusetyenziswa kwazo.Kolu hlalutyo lokuthelekisa, siya kuphonononga uyilo, ukusebenza, iingenelo, kunye nemida yezi ntlobo zintathu ukuqonda ukufaneleka kwazo kwiimeko ezahlukeneyo.
NYE.Intshayelelo
1. Yintoni ivalve yebhabhathane
IValve yeButterfly yeWafer: Olu hlobo lwevalve yenzelwe ukufakwa phakathi kweeflange ezimbini zepayipi, ngokuqhelekileyo i-wafer flange.Ineprofayili encinci enepleyiti yevalve ejikeleza kwi-shaft ukulawula ukuhamba.
Izinto eziluncedo zevalve yebhabhathane:
· Ivalve yebhabhathane yohlobo lwewafer inobude obufutshane besakhiwo, nto leyo ethetha ukuba sisakhiwo esibhityileyo, esenza ukuba silunge kakhulu kwindawo enendawo encinci.
· Babonelela ngeendlela ezimbini, ukuvalwa okuqinileyo kwaye bafanelekile kwiinkqubo ezineemfuno zoxinzelelo oluphantsi ukuya oluphakathi.
Olona ncedo luphambili lwevalve yebhabhathane kukuyilwa kwayo okubambeneyo.
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2. Yintoni iflange butterfly valve
Flange butterfly valve: Ivalve yebhabhathane yeflange ineeflange ezidityanisiweyo kumacala omabini kwaye inokubotshwa ngokuthe ngqo phakathi kweeflange ezikumbhobho.Xa kuthelekiswa ne-pinch valves, inobude obude bokwakha.
Izinto eziluncedo zevalve yebhabhathane yeflange:
· Ivalve yebhabhathane yeflange inencam yeflange ebotshelelwe ngokuthe ngqo kwiflange yombhobho.Olu luyilo lwandisa ukuqina kunye nokuzinza, okwenza kube lula kwizicelo eziphezulu ze-voltage apho uxhulumaniso olukhuselekileyo lubaluleke kakhulu.
• Iivalve zebhabhathane zeFlange nazo kulula ukuzifaka kunye nokuqhaqha, ngaloo ndlela kube lula ukugcinwa nokugcinwa kweendleko.
• Ivalve yebhabhathane yeflange inokufakelwa ekupheleni kombhobho kwaye isetyenziswe njengevalve yokuphela.
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3.Yintoni ivalve yebhabhathane enye
Ubume beIvalve yebhabhathane yeflange enyekukuba kukho i-flange enye kumbindi we-longitudinal womzimba we-valve, efuna ukulungiswa kwi-flange yombhobho ngeebholiti ezide.
Izinto eziluncedo zevalve yebhabhathane yeflange enye:
· Inobude besakhiwo sevalve yebhabhathane ebambelweyo kwaye ihlala kwindawo encinci.
· Iimpawu zoqhagamshelo eziqinileyo ziyafana nezo zevalve yebhabhathane yeflange.
· Ifanelekile kwiinkqubo zoxinzelelo oluphakathi kunye noluphantsi.
MBINI.umehluko
1. Imigangatho yoqhagamshelo:
a) Ivalve yebhabhathane yeWafer: Le valve ngokuqhelekileyo isemgangathweni woqhagamshelo oluninzi kwaye inokuhambelana neDIN PN6/PN10/PN16, ASME CL150, JIS 5K/10K, njl.
b) Ivalve yebhabhathane yeFlange: uqhagamshelo oluqhelekileyo ngokubanzi.Sebenzisa kuphela imidibaniso yeflange ehambelanayo.
c) Ivalve yebhabhathane yeflange enye: ngokubanzi inoqhagamshelo olusemgangathweni olunye.
2. Uluhlu lobungakanani
a) Ivalve yebhabhathane yeWafer: DN15-DN2000.
b) Flange butterfly valve: DN40-DN3000.
c) Ivalve yebhabhathane yeflange enye: DN700-DN1000.
3. Ukuhlohla:
a) Ukufakwa kweevalvu zebhabhathane:
Ukufakela kulula njengoko zinokufakwa phakathi kweeflange ezimbini kusetyenziswa iibholiti ezi-4 ezinde.Iibholiti zidlula kwi-flange kunye nomzimba we-valve, olu cwangciso luvumela ukufakela kunye nokususwa ngokukhawuleza.
b) Ukufakelwa kwevalve yebhabhathane yeflange:
Kuba kukho iiflange ezidityanisiweyo kumacala omabini, iivalve zeflange zikhulu kwaye zifuna indawo engaphezulu.Zizinzile ngokuthe ngqo kwi-flange yombhobho kunye ne-studs emfutshane.
c) Ukufakelwa kwevalve yebhabhathane yeflange enye:
ifuna iibholithi ezinde ezinentloko ephindwe kabini phakathi kweeflange ezimbini zombhobho.Inani leebholiti ezifunekayo liboniswe kwitheyibhile engezantsi.
| DN700 | DN750 | DN800 | DN900 | DN1000 |
| 20 | 28 | 20 | 24 | 24 |
4. Iindleko:
a) Ivalve yebhabhathane yeWafer: Xa ithelekiswa nevalve yeflange, iivalve zewafer zidla ngokungabizi kakhulu.Ubude babo obufutshane bokwakha bufuna izinto ezincinci kwaye zifuna iibholiti ezine kuphela, ngaloo ndlela ukunciphisa iindleko zokuvelisa kunye nokufakwa.
b) Ivalve yeFlange Butterfly: Izivalo zeFlange zithande ukubiza kakhulu ngenxa yolwakhiwo oluqinileyo kunye neflange edibeneyo.Iibholiti kunye nofakelo olufunekayo kuqhagamshelo lweflange lukhokelela kwiindleko eziphezulu.
c) Ivalve yebhabhathane eneflange enye:
Ivalve yebhabhathane enye ineflange enye encinci kune-double-flange butterfly valve, kwaye ukufakwa kulula kune-double-flange butterfly valve, ngoko ke ixabiso liphakathi.
5. Inqanaba loxinzelelo:
a) Ivalve yebhabhathane yeWafer: Xa ithelekiswa nevalve yeflange, inqanaba loxinzelelo olusebenzayo lwevalve yebhabhathane lisezantsi.Zifanelekile kwizicelo ze-PN6-PN16 zombane ophantsi.
b) I-valve ye-butterfly ye-Flange: Ngenxa yesakhiwo sayo esiqinileyo kunye ne-flange edibeneyo, i-valve ye-flange ifanelekile kumanqanaba aphezulu oxinzelelo, i-PN6-PN25, (i-valve butterfly etywiniweyo ingafikelela kwi-PN64 okanye ngaphezulu).
c) Ivalve yebhabhathane yeflange enye: phakathi kwevalve yebhabhathane ye-wafer kunye nevalve yebhabhathane yeflange, ilungele izicelo ze-PN6-PN20.
6.Isicelo:
a) IValve yeButterfly yeWafer: Isetyenziswa ngokuqhelekileyo kwiinkqubo zeHVAC, amaziko okucocwa kwamanzi kunye noxinzelelo oluphantsi losetyenziso lwemizi-mveliso apho isithuba sinqongophele kwaye ukusebenza kweendleko kubalulekile.Ukusetyenziswa kwiinkqubo zemibhobho apho indawo incinci kwaye ukuhla koxinzelelo oluphantsi kwamkelekile.Banikezela ngokukhawuleza, ulawulo lokuhamba olusebenzayo ngexabiso eliphantsi kuneevalve ezine-flanged.
b) Ivalve yebhabhathane yeFlange: Izivalo zeflange zisetyenziswa kumashishini afana ne-oyile negesi, ukusetyenzwa kweekhemikhali kunye nokuveliswa kwamandla, apho amanqanaba aphezulu oxinzelelo kunye nokusebenza okugqwesileyo kubalulekile.Kuba iivalve zebhabhathane zeflange zinokunikezela amanqanaba aphezulu oxinzelelo kunye nokutywinwa okungcono kunye noqhakamshelwano olomeleleyo.Kwaye ivalve yebhabhathane yeflange inokufakwa ekupheleni kombhobho.
c) Ivalve yebhabhathane eneflange enye:
Iivalvu zebhabhathane zeflange enye ziqhele ukusetyenziswa kwiinkqubo zonikezelo lwamanzi ezidolophini, iinkqubo zoshishino ezifana neekhemikhali, iimveliso zepetroleum kunye namanzi amdaka kumashishini, ukulawula ukufudumeza okanye ukupholisa amanzi kwiinkqubo zeHVAC, ukucocwa kogutyulo, amashishini okutya nesiselo kunye neminye imimandla.
NTATHU.ukuququmbela:
Iivalvu zebhabhathane ze-Wafer, iivalve zebhabhathane zeflange kunye neevalvu zebhabhathane ezineflange enye zonke zineengenelo ezizodwa kwaye zilungele usetyenziso olwahlukeneyo.Iivalve zebhabhathane zeWafer zithandwa ngobude bazo obufutshane bolwakhiwo, uyilo olubambeneyo, ukusebenza kweendleko eziphezulu kunye nokufakwa lula.Iivalve zebhabhathane zeflange enye nazo zifanelekile kwiinkqubo zoxinzelelo oluphakathi kunye noluphantsi kunye nesithuba esincinci ngenxa yesakhiwo sazo esifutshane.Iivalve ezigobileyo, kwelinye icala, zigqwesa kwizicelo zoxinzelelo oluphezulu ezifuna ukusebenza ngokugqwesileyo kokutywinwa kunye nolwakhiwo olunqabileyo, kodwa zibiza kakhulu.
Ngamafutshane, ukuba ukukhutshwa kombhobho kunomlinganiselo kwaye uxinzelelo luphantsi koxinzelelo lwe-DN≤2000 inkqubo, unokukhetha i-valve butterfly valve;
Ukuba ukucocwa kombhobho kulinganiselwe kwaye uxinzelelo luphakathi okanye uxinzelelo oluphantsi, i-700≤DN≤1000, unokukhetha i-valve ye-butterfly enye;
Ukuba ukucocwa kombhobho kwanele kwaye uxinzelelo luphakathi okanye oluphantsi lwenkqubo ye-DN≤3000, unokukhetha i-valve butterfly valve.