Li-valve tsa butterfly ke likarolo tsa bohlokoa bakeng sa ho laola phallo ea lipeipi liindastering tse fapaneng. Har'a mefuta e fapaneng e fumanehang, li-valve tsa serurubele sa sephaphatha le serurubele le li-valve tsa serurubele se nang le flange e le 'ngoe li ikhetha ka likarolo tsa tsona tse ikhethang le ts'ebeliso ea tsona. Tlhahlobisong ena ea papiso, re tla hlahloba moralo, ts'ebetso, melemo, le meeli ea mefuta ena e meraro ho utloisisa ho nepahala ha eona maemong a fapaneng.
Tlhokomeliso: Mona re bua ka Valve ea Centerline,Seqhubu sa Concentric.
NNGWE. Selelekela
1. Belofo ea serurubele sa sephaphatha ke eng
Seqhubu sa Butterfly Valve: Mofuta ona oa valve o etselitsoe ho kenngoa pakeng tsa liphaephe tse peli tsa liphaephe, hangata li-wafer flange. E na le profil e tšesaane e nang le poleiti ea valve e potolohang holim'a shaft ho laola phallo.
Melemo ea serurubele valve:
· Mofuta oa serurubele oa mofuta oa serurubele o na le bolelele bo bokhutšoane ba sebopeho, ho bolelang hore ke mohaho o mosesaane, o etsang hore o tšoanelehe haholo bakeng sa libaka tse nang le sebaka se fokolang.
· Li fana ka litsela tse peli, ho koaloa ka thata 'me li loketse litsamaiso tse nang le litlhoko tse tlase ho isa bohareng ba khatello.
· Monyetla o ka sehloohong oa belofo ea serurubele ke moralo oa eona o kopaneng.
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2. Flange butterfly valve ke eng
Flange serurubele valve: Belofo ea serurubele sa flange e na le mapheo a bohlokoa mahlakoreng ka bobeli 'me e ka tlamelloa ka kotloloho lipakeng tsa liphaephe tsa phaephe. Ha li bapisoa le li-valve tsa pinch, li na le bolelele bo bolelele ba kaho.
Melemo ea valve ea flange butterfly:
· Belofo ea serurubele sa flange e na le pheletso ea flange e kentsoeng ka kotloloho ho phaephe ea phala. Moqapi ona o eketsa matla le botsitso, o etsa hore o tšoanelehe bakeng sa lisebelisoa tse phahameng tsa motlakase moo likhokahano tse sireletsehileng li leng bohlokoa.
· Li-valve tsa serurubele sa Flange le tsona li bonolo ho kenya le ho li qhaqholla, kahoo li nolofatsa tlhokomelo le litšenyehelo tsa ho boloka.
• Belofo ea serurubele sa flange e ka kenngoa qetellong ea phaephe 'me ea sebelisoa e le valve ea ho qetela.
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3.Belofo e le 'ngoe ea serurubele sa flange ke eng
Sebopeho sabelofo e le 'ngoe ea serurubele sa flangeke hore ho na le flange e le 'ngoe bohareng ba longitudinal ea' mele oa valve, e lokelang ho lokisoa holim'a flange ea pipe e nang le liboutu tse telele.
Melemo ea valve e le 'ngoe ea serurubele sa flange:
· E na le bolelele ba sebopeho sa valve ea serurubele e koetsoeng 'me e nka sebaka se senyenyane.
· Litšobotsi tsa khokahanyo tse tiileng li tšoana le tsa li-valve tsa serurubele sa flange.
· E loketse litsamaiso tse mahareng le tse tlase tsa khatello.
MABELI. phapang
1. Maemo a khokahanyo:
a) Valofo ea serurubele sa Wafer: Valofo ena ka kakaretso ke maemo a marang-rang a mangata 'me e ka tsamaisana le DIN PN6/PN10/PN16, ASME CL150, JIS 5K/10K, joalo-joalo.
b) Belofo ea serurubele sa Flange: hangata ke khokahano e le 'ngoe e tloaelehileng. Sebelisa feela likhokahano tse tsamaellanang tsa flange.
c) Belofo e le 'ngoe ea serurubele sa flange: ka kakaretso e boetse e na le khokahano e le 'ngoe e tloaelehileng.
2. Boholo ba mefuta
a) Serurubele belofo: DN15-DN2000.
b) Flange serurubele belofo: DN40-DN3000.
c) Belofo e le 'ngoe ea serurubele sa flange: DN700-DN1000.
3. Kemiso:
a) Ho kenya li-valve tsa serurubele:
Ho kenya ho bonolo kaha li ka kopanngoa pakeng tsa li-flange tse peli ho sebelisa liboutu tse 4 tse telele. Li-bolts li feta 'meleng oa flange le valve, setupo sena se lumella ho kenya le ho tlosoa ka potlako.
b) Ho kenya valve ea flange butterfly:
Kaha ho na le li-flange tse bohlokoa mahlakoreng ka bobeli, li-valve tsa flange li kholoanyane 'me li hloka sebaka se eketsehileng. Li tsitsitse ka ho toba ho flange ea pipe e nang le li-studs tse khutšoanyane.
c) Ho kenya valve e le 'ngoe ea serurubele sa flange:
e hloka liboutu tse telele tse nang le lihlooho tse peli tse kentsoeng lipakeng tsa liphaephe tse peli. Palo ea liboutu tse hlokahalang e bonts'itsoe tafoleng e ka tlase.
| DN700 | DN750 | DN800 | DN900 | DN1000 |
| 20 | 28 | 20 | 24 | 24 |
4. Litšenyehelo:
a) Li-valve tsa serurubele sa Wafer: Ha li bapisoa le li-valve tsa flange, hangata li-valve tsa serurubele li na le litšenyehelo tse ngata. Bolelele ba bona bo bokhutšoaane ba ho haha bo hloka thepa e fokolang 'me bo hloka liboutu tse' nè feela, kahoo ho fokotsa litšenyehelo tsa tlhahiso le ho kenya.
b) Flange Butterfly Valve: Li-valve tsa Flange li atisa ho bitsa chelete e ngata ka lebaka la mohaho oa tsona o tiileng le flange ea bohlokoa. Liboutu le ho kenya tse hlokahalang bakeng sa likhokahano tsa flange li baka litšenyehelo tse phahameng.
c) Belofo e le 'ngoe ea serurubele sa flange:
Sesepa se le seng sa serurubele se nang le flange se na le flange e le 'ngoe e fokolang ho feta serurubele se habeli-flange,' me ho kenngoa ho bonolo ho feta serurubele se nang le li-flange tse peli, kahoo theko e bohareng.
5. Boemo ba khatello:
a) Valofo ea serurubele sa Wafer: Ha e bapisoa le valve ea flange, khatello e sebetsang ea valve ea serurubele e tlase. Li loketse lits'ebetso tse tlase tsa voltage PN6-PN16.
b) Flange butterfly valve: Ka lebaka la sebopeho sa eona se tiileng le flange ea bohlokoa, valve ea flange e loketse maemo a phahameng a khatello, PN6-PN25, (li-valve tsa serurubele tse tiisitsoeng ka thata li ka fihla PN64 kapa ho feta).
c) Belofo e le 'ngoe ea serurubele sa flange: lipakeng tsa serurubele sa serurubele le belofo ea serurubele ea flange, e loketseng lits'ebetso tsa PN6-PN20.
6.Kopo:
a) Wafer Butterfly Valve: E sebelisoa hangata lits'ebetsong tsa HVAC, lifeme tsa ho hloekisa metsi le lits'ebetso tsa indasteri tse nang le khatello e tlase moo sebaka se lekanyelitsoeng mme litšenyehelo li bohlokoa haholo. Bakeng sa ho sebelisoa tsamaisong ea liphaephe moo sebaka se lekanyelitsoeng le marotholi a tlaase a khatello a amohelehang. Li fana ka taolo e potlakileng, e sebetsang hantle ea phallo ka theko e tlase ho feta li-valve tsa flanged.
b) Li-valve tsa serurubele sa Flange: Li-valve tsa Flange li sebelisoa liindastering tse kang oli le khase, ts'ebetso ea lik'hemik'hale le tlhahiso ea matla, moo maemo a phahameng a khatello le ts'ebetso e ntle ea ho koala e leng ea bohlokoa. Hobane li-valve tsa serurubele sa flange li ka fana ka maemo a phahameng a khatello le ho tiisa hantle le likhokahano tse matla. 'Me valve ea serurubele ea flange e ka kenngoa qetellong ea pipeline.
c) Belofo e le 'ngoe ea serurubele sa flange:
Li-valve tsa serurubele se le seng sa flange li sebelisoa hangata lits'ebetsong tsa phepelo ea metsi litoropong, lits'ebetsong tsa indasteri tse kang lik'hemik'hale, lihlahisoa tsa peterole le metsi a litšila a indasteri, ho laola ho futhumatsa kapa metsi a pholileng lits'ebetsong tsa HVAC, kalafo ea likhoerekhoere, indasteri ea lijo le lino le masimo a mang.
THARO. ha re phethela:
Li-valve tsa serurubele sa Wafer, li-valve tsa serurubele sa flange le li-valve tsa serurubele se le seng kaofela li na le melemo e ikhethang 'me li loketse lits'ebetso tse fapaneng. Li-valve tsa Wafer butterfly li ratoa bakeng sa bolelele ba tsona bo bokhutšoane ba sebopeho, moralo o kopaneng, ts'ebetso ea theko e phahameng le ho kenya habonolo. Li-valve tsa serurubele se le seng sa flange le tsona li loketse tsamaiso ea khatello e mahareng le e tlase e nang le sebaka se lekanyelitsoeng ka lebaka la sebopeho sa bona se sekhutšoane. Ka lehlakoreng le leng, li-valve tse nang le li-flanged li sebetsa hantle ka ho sebelisa khatello e phahameng e hlokang ts'ebetso e ntle ea ho tiisa le kaho e matsutla, empa e bitsa chelete e ngata.
Ka bokhutšoanyane, haeba tumello ea liphaephe e lekanyelitsoe 'me khatello e le khatello e tlase ea tsamaiso ea DN≤2000, u ka khetha valve ea serurubele sa wafer;
Haeba tumello ea phala e lekanyelitsoe mme khatello e le bohareng kapa khatello e tlaase, 700≤DN≤1000, o ka khetha valve e le 'ngoe ea serurubele sa flange;
Haeba ho hlaka ha pipe ho lekane 'me khatello e bohareng kapa e tlaase khatello ea DN≤3000 tsamaiso, u ka khetha valve ea flange butterfly.