Buka ea ho kenya, Ts'ebetso le Tlhokomelo ea ASME Ball Valve

1. Boholo

Buka ena ea matsoho e kenyelletsa motlakase o sebelisitsoeng, o sebetsanang le moea o fokang moea o fehliloeng ka moea, o sebelisoang ke hydraulic le oli e nang le khase e fapakaneng ea li-valve tse tharo tse entsoeng ka motlakase le li-valve tsa bolo tse nang le boholo bo felletseng tse nang le boholo ba lebitso NPS 8 ~ 36 & Class 300 ~ 2500.

2. Tlhaloso ea Sehlahisoa

2.1 Litlhoko tsa tekheniki

2.1.1 Moralo le proizvodnje maemo: API 6D, ASME B16.34

2.1.2 Tekanyetso ea ho emisa ho fihlela qetellong: ASME B16.5

2.1.3 Tekanyetso ea boholo ba sefahleho le sefahleho: ASME B16.10

2.1.4 Tekanyetso ea boemo ba khatello ea mocheso: ASME B16.34

2.1.5 Tlhahlobo le tlhahlobo (ho kenyeletsoa le liteko tsa hydraulic): API 6D

2.1.6 Teko ea ho hanyetsa mollo: API 607

2.1.7 Ts'ebetso ea sebabole ea ho hanyetsa le tlhahlobo ea lisebelisoa (e sebetsa litšebeletsong tse bolila): NACE MR0175 / ISO 15156

2.1.8 Teko ea ho tsoa ha baphaphathehi (e sebetsa litšebeletsong tse bolila): ho latela BS EN ISO 15848-2 Class B.

2.2 Sebopeho sa belofo ea bolo

Figure1 Likotoana tse tharo tse entsoeng ka li-valve tsa trunnion tse nang le motlakase

Figure2 Likotoana tse tharo li thehiloe li-valve tsa trunnion tse nang le pneumatic actuated

Setšoantšo sa 3 Likotoana tse tharo tsa bolo ea maoto tse entsoeng ka trunnion tse nang le li-hydraulic actuated

Figure4 Ka ho feletseng welded bolo di-valve le pneumatici actuated

Figure5 Patoa ka botlalo welded bolo di-valve le oli-khase actuated

Setšoantšo sa 6 Li-valve tsa bolo tse nang le oli e nang le oli

3. Ho kenya

3.1 Ho itokisa pele ho kopo

(1) Bobeli lipeipi tsa pheletso li se li lokile. Ka pele le ka morao ea lipeipi e lokela ho ba coaxial, likarolo tse peli tsa tiiso ea flange li lokela ho tšoana.

(2) lipeipi tse hloekileng, litšila tse mafura, slag ea ho tjheseletsa le litšila tse ling kaofela li lokela ho tlosoa.

(3) Lekola ho tšoaea belofo ea bolo ho tseba li-valve tsa bolo tse maemong a matle. Sephahla se tla buloa ka botlalo le ho koaloa ka botlalo ho netefatsa hore se sebetsa hantle.

(4) Tlosa lisebelisoa tse sireletsang khokahanong ea mahlakore ka bobeli a phunyang.

(5) Lekola lesoba la phunyang 'me u le hloekise ka botlalo. Taba ea kantle ho naha lipakeng tsa lesale / setulo sa belofo le bolo, leha granule e ka senya sefahleho sa setulo sa belofo feela.

（6） Pele o kenya, hlahloba ka hloko lebitso la lebitso ho netefatsa mofuta oa phunyang, boholo, lisebelisoa tsa setulo le boemo ba khatello ea mocheso li loketse boemo ba lipeipi.

（7, Pele o kenya, hlahloba li-bolts tsohle le linate khokahanong ea valve ho netefatsa hore e tiisitsoe.

Movement 8 movement Tsamaiso e hlokolosi ea lipalangoang, ho lahla kapa ho lahla ha e lumelloe.

3.2 Ho kenya

(1) Valve e kentsoe pompong. Bakeng sa litlhoko tsa phallo ea media ea valve, netefatsa ho nyoloha le ho ea tlase ho latela tataiso ea phepelo e lokelang ho kengoa.

(2) Pakeng tsa liphaephe tsa liphaephe le lipeipi tsa lipeipi li lokela ho kengoa likhakanyo ho latela litlhoko tsa moralo oa lipeipi.

(3) Li-bolts tsa Flange li lokela ho ts'oana, li hlahlamane, li tiee hantle

(4) Li-valve tsa khokelo tse nang le welded li tla fihlela bonyane litlhoko tse latelang ha li welded bakeng sa ho kenella ka lipeipi tsa setša:

a. Tjheseletsa lokela ho phethahatsoa ke tjheseletsa ea nang le setifikeiti sa thuto ea welder e amoheloang ke State Boiler le Pressure Vessel Authority; kapa mofani oa litšepe ea fumaneng setifikeiti sa thuto ea welder se boletsoeng ho ASME Vol. Ⅸ.

b. Mehato ea ts'ebetso ea ho tjheseletsa e tlameha ho khethoa joalo ka ha ho boletsoe bukaneng ea netefatso ea boleng ba lisebelisoa tsa ho tjheseletsa

c. Sebopeho sa lik'hemik'hale, ts'ebetso ea mochini le ts'enyeho ea ts'epe ea tšepe ea ho tlatsa e lokela ho tsamaellana le tšepe ea mantlha

(5) Ha u phahamisa ka mokotla kapa molala oa phunyang le ketane ea letjeketjane letsohong, lebokose la lisebelisoa kapa li-actuator tse ling ha lia lumelloa .Hape, pheletso ea li-valve e lokela ho ela hloko ho sireletsa hore e se senyehe.

(6) 'Mele oa belofo ea bolo e nang le welded o tsoa pheletsong ea 3 "nako efe kapa efe kantle ho mocheso oa ho futhumatsa e ke ke ea feta 200 ℃. Pele ho chesoa, ho lokela ho nkuoa mehato ho thibela litšila tse kang ho chesa slag nakong ea ho oela kanaleng ea 'mele kapa ho tiisoa ha setulo. Lipeipi tse rometseng sekhahla sa ts'enyeho li lokela ho nkuoa ka tekanyo ea boima ba weld. The thatafala ha tjheseletsa seam le lintho tse bonahalang botlaaseng e sa feteng HRC22.

(7) Ha o kenya li-valve le li-actuator, selekane sa seboko sa actuator se lokela ho shebahala hantle ho selepe sa lipeipi

Tlhahlobo ea 3.3 kamora ho kenya

(1) Ho bula le ho koala makhetlo a 3 ~ 5 bakeng sa li-valve le li-actuator tsa bolo ha lia lokela ho koaloa 'me e tiisa hore li-valve li ka sebetsa ka mokhoa o tloaelehileng.

(2) Sefahleho se hokahaneng sa flange lipakeng tsa lipeipi le belofo ea bolo se lokela ho hlahlojoa ts'ebetso ea ho tiisa ho latela litlhoko tsa moralo oa lipeipi.

(3) Kamora ho kenya, tlhahlobo ea khatello ea sistimi kapa lipeipi, valve e tlameha ho ba maemong a bulehileng ka botlalo.

4 .Mosebetsi, polokelo le tlhokomelo

4.1 Valve ea bolo ke 90 ° mofuta oa ho bula le ho koala, belofo ea bolo e sebelisoa feela bakeng sa ho chencha ebile ha e sebelisoe bakeng sa ho fetola! Ha hoa lumelloa hore valve e sebelisoe mochesong o kaholimo le moeli oa khatello le khatello ea khafetsa, mocheso le boemo ba ts'ebeliso. Sekhahla sa khatello ea mocheso se tla latela ASME B16.34 Standard. Li-bolts li lokela ho tiisoa hape haeba ho ka lutla mocheso o phahameng. Se ke oa lumella ho ama pherekano mme ts'ebetso ea khatello ea maikutlo e phahameng ha e lumelle ho hlaha mocheso o tlase. Bahlahisi ha ba na boikarabello haeba kotsi e hlaha ka lebaka la tlolo ea melao.

Mosebelisi oa 4.2 o lokela ho tlatsa oli ea ho tlotsa (grease) khafetsa haeba ho na le li-valve tsa grease tse mofuta oa lube. Nako e lokela ho beoa ke mosebelisi ho latela hore na valve e buloa hangata hakae, hangata hang kamora likhoeli tse ling le tse ling tse tharo; haeba ho na le li-valve tsa mafura tseo e leng tsa mofuta oa tiiso, ho tiisa mafura kapa ho paka bonolo ho lokela ho tlatsoa ka nako e loketseng ha basebelisi ba fumana ho dutla, mme e etsa bonnete ba hore ha ho na ho dutla. Mosebelisi o lula a boloka lisebelisoa li le maemong a matle! Haeba ho na le mathata a boleng nakong ea waranti (ho latela konteraka), moetsi o lokela ho ea sebakeng seo hanghang ho ea rarolla bothata. Haeba nako e fetang ea waranti (ho latela konteraka), hang ha mosebelisi a re hloka ho rarolla bothata, re tla ea sebakeng seo hanghang ho ea rarolla bothata.

4.3 Potoloho e tsamaeang ka lehlakoreng la li-valve tse sebetsang ka letsoho e tla koaloa 'me e potolohe ka lehlakoreng le leng la li-valve tse sebetsang ka letsoho e tla buleha. Ha litsela tse ling, konopo ea lebokose la taolo le litaelo li lokela ho lumellana le phetoho ea li-valve. Mme qoba ts'ebetso e fosahetseng e tla qoba ho etsahala. Baetsi ha ba na boikarabello ka lebaka la liphoso tsa ts'ebetso.

4.4 Li-valve li lokela ho ba tlhokomelo ea kamehla kamora hore li-valve li sebelisoe. Sefahleho sa tiiso leho hlajoa e lokela ho hlahlojoa khafetsa, joalo ka ha ho paka ho tsofala kapa ho hloleha; haeba 'mele o etsahala ho bola. Haeba boemo bo kaholimo bo etsahala, bo nakong ho bo lokisa kapa ho bo nkela sebaka.

4.5 Haeba seaplane ke metsi kapa oli, ho etsoa tlhahiso ea hore li-valve li lokela ho hlahlojoa le ho bolokoa likhoeling tse ling le tse ling tse tharo. Mme haeba seaplane se senya, ho etsoa tlhahiso ea hore li-valve tsohle kapa karolo ea li-valve e lokela ho hlahlojoa le ho bolokoa khoeli le khoeli.

4.6 Ball valve ha e na sebopeho sa ho futhumatsa. Ha seaplane e le mocheso o phahameng kapa mocheso o tlase, bokaholimo ba valve ha boa lumelloa ho ama ho thibela ho chesoa kapa serame.

4.7 bokaholimo ba li-valve le kutu le likarolo tse ling li koahela habonolo lerōle, oli le tšoaetso e mahareng. Le belofo e lokela ho ba abrasion le ts'enyeho habonolo; le eona e bakoa ke mocheso oa khohlano o hlahisang kotsi ea khase e phatlohang. Kahoo valve hangata e lokela ho hloekisa molemong oa ho etsa bonnete ba hore e sebetsa hantle.

4.8 Ha ho lokisoa valve le ho e hlokomela, ho lekana le boholo ba mantlha le li-o-rings, li-gaskets, li-bolts le linate li lokela ho sebelisoa. O-masale le li-gaskets tsa li-valve li ka sebelisoa e le lisebelisoa tsa ho lokisa le ho hlokomela ka tatellano ea theko.

4.9 Ho thibetsoe ho tlosa poleiti ea khokahano ho nkela li-bolts, linate le li-ring ha valve e le maemong a khatello. Kamora li-screws, li-bolts, linate kapa li-o-ring, li-valve li ka sebelisoa bocha kamora ho tiisa teko.
4.10 Ka kakaretso, likarolo tsa ka hare tsa li-valve li lokela ho khethoa ho lokisa le ho nkela sebaka, ho molemo ho sebelisa likarolo tsa baetsi bakeng sa tse ncha.

4.11 Li-valve li lokela ho bokelloa le ho hlophisoa kamora hore li-valve li lokisoe. 'Me li lokela ho hlahlojoa ka mor'a hore li bokane.

4.12 Ha ho khothaletsoe hore mosebelisi a lule a lokisa sephahla sa khatello. Haeba likarolo tsa khatello li sebelisitsoe nako e telele, 'me kotsi e ka bang teng e tla ba teng, e bile e ama ts'ireletso ea mosebelisi. Basebelisi ba lokela ho nka sebaka sa valve e ncha ka nako.

4.13 Sebaka sa ho tjheseletsa li-valve tsa ho tjheseletsa lipeipi ha sea lumelloa ho lokisoa.

4.14 Li-valve tse pompong ha lia lumelloa ho tlanya; e etselitsoe ho tsamaea feela joalo ka lintho tse boima ho eona.

4.15 Lipheletsong li lokela ho koaheloa ka thebe ka phapusing e ommeng le e nang le moea o kenang moea, ho netefatsa hore sepakapaka se hloekile.

4.16 Li-valve tse kholo li lokela ho ts'oaroa 'me li ke ke tsa ikopanya le mobu ha li boloka ka ntle Hape, bopaki ba mongobo bo sa keneleng metsi bo lokela ho hlokomeloa.

4.17 Ha phepelo ea polokelo ea nako e telele e sebelisoa hape, ho paka ho lokela ho hlahlojoa hore na ha ho na thuso ebe o tlatsa oli ea lubricant likarolong tse potolohang.

4.18 Maemo a sebetsang a valve a tlameha ho lula a hloekile, hobane a ka lelefatsa bophelo ba ona ba ts'ebeletso.

4.19 Sephahla sa polokelo ea nako e telele se lokela ho hlahlojoa khafetsa le ho tlosa litšila. Sebaka sa tiiso se lokela ho ela hloko ho hloeka ho thibela tšenyo.

4.20 Sephutheloana sa mantlha sea bolokoa; bokaholimo ba li-valve, shaft shaft le flange bokaholimo ba tiiso ea flange bo lokela ho ela hloko ho sireletsa.

4.21 Lepheo la li-valve ha lea lumelloa ho tsoa ha ho bula le ho koala ho sa fihle boemong bo khethiloeng.

5. Mathata a ka bang teng, lisosa le mehato ea ho lokisa (sheba foromo ea 1)

Foromo ea 1 Mathata a ka bang teng, lisosa le mehato ea ho lokisa

Tlhokomeliso: Motho ea fanang ka litšebeletso o lokela ho ba le tsebo le boiphihlelo bo nepahetseng ka li-valve