Lihlahisoa
Qetello e Felletseng ea Heke ea tšepe e Felletseng
✧ Tlhaloso
Li-valve tsa liheke tsa tšepe tse entsoeng ka tšepe li atisa ho sebelisoa lits'ebetsong tsa indasteri ka lebaka la mohaho oa tsona o matla le bokhoni ba ho mamella khatello e phahameng le maemo a mocheso. Hangata li ratoa bakeng sa lits'ebetso indastering ea oli le khase, limela tsa motlakase le limela tsa petrochemical. Mona ke tse ling tsa likarolo tsa bohlokoa le melemo ea li-valve tsa liheke tsa tšepe tse entsoeng ka tšepe:E matla ebile e tšoarella: Li-valve tsa heke tsa tšepe tse entsoeng ka tšepe li etsoa ka mokhoa oa ho fereka, e leng se etsang hore li be matla ka tsela e ikhethang 'me li hanane le likhatello tsa mochini. Sena se etsa hore li tšoanelehe bakeng sa maemo a thata moo ho tšoarellang ho leng bohlokoa.Ho hanyetsana le Khatello e Phahameng le Mocheso: Li-valve tsena li etselitsoe ho sebetsana le lits'ebetso tsa khatello e phahameng le mocheso o phahameng, ho fana ka tharollo e tšepahalang ea taolo ea phallo maemong a thata a ts'ebetso.Thepa e Ntle e Ntle ea ho Tiisa: Ba fana ka tharollo ea taolo ea phallo e tšepahalang. thepa e ntle ea ho tiisa, ka katleho ho thibela ho lutla ha valve e koetsoe. Sena ke sa bohlokoa bakeng sa ho boloka botšepehi ba tsamaiso le ho thibela tahlehelo ea mokelikeli.Tahlehelo e Nyane ea Khatello: Ha e butsoe ka ho feletseng, li-valve tsa heke ea tšepe e entsoeng ka tšepe li fana ka tahlehelo e fokolang ea khatello, e lumellang ho laola phallo e sebetsang hantle le ho fokotsa tšebeliso ea matla. , ho etsa hore li sebetse ka mokhoa o fapaneng bakeng sa likopo tse fapaneng tsa indasteri.Ho lumellana le Melao-motheo: Li-valve tsa heke tse entsoeng ka tšepe hangata li etsoa le ho etsoa ho latela litekanyetso tsa indasteri, ho netefatsa hore li tšepahala. le ts'ebetso e sireletsehileng.Ka kakaretso, li-valve tsa liheke tsa tšepe tse entsoeng ka tšepe li nkoa e le tsa bohlokoa ka lebaka la matla a tsona, ho tšoarella, khatello e phahameng le ho hanyetsa mocheso, thepa e babatsehang ea ho tiisa, le ho feto-fetoha ha maemo, e leng se etsang hore e be khetho e ratoang ka ho fetisisa libakeng tse hlokang indasteri.
✧ Likarolo tsa valve ea heke ea tšepe ea API 602
1.Sebopeho se bonolo ho feta valve ea heke, 'me ho bonolo ho e etsa le ho e boloka.
2.Bokaholimo ba ho tiisa ha bo bonolo ho apara le ho opa, mme ts'ebetso ea ho tiisa e ntle. Ha ho na ho thella ho amanang pakeng tsa "valve disc" le "valve" holim'a 'mele oa valve ha o bula le ho koala, kahoo ho roala le ho roala ha ho tebile, ts'ebetso ea ho tiisa e ntle,' me bophelo ba tšebeletso bo bolelele.
3.Ha ho bula le ho koala, sekhahla sa disc se senyenyane, kahoo bophahamo ba valve ea ho emisa bo nyane ho feta ea valve ea heke, empa bolelele ba mohaho bo bolelele ho feta ba valve ea heke.
4.Ho bula le ho koala torque e kholo, ho bula le ho koala ho thata, 'me nako ea ho bula le ho koala e telele.
5.Ho hanyetsa mokelikeli o moholo, hobane mocha o bohareng oa 'mele oa valve o na le tortuous, ho hanyetsa mokelikeli ho hoholo,' me tšebeliso ea matla e kholo.
6.Tsamaiso ea phallo e mahareng Ha khatello ea lebitso PN ≤ 16MPa, ka kakaretso e amohela phallo e eang pele, 'me seaplane se phalla holimo ho tloha tlase ho disc valve; ha khatello ea lebitso PN ≥ 20MPa, ka kakaretso e amohela phallo ea counter, 'me e bohareng e phalla ho ea tlase ho tloha holimo ho disc ea valve. Ho eketsa ts'ebetso ea tiiso. Ha e sebelisoa, sebaka sa li-valve tsa lefats'e se ka phalla ka lehlakoreng le le leng feela, 'me tsela ea phallo e ke ke ea fetoloa.
7.Diseke e atisa ho senyeha ha e bulehile ka ho feletseng.
✧ Melemo ea API 602 e entsoeng ka tšepe ea liheke tsa tšepe
Nakong ea ho bula le ho koala valve ea tšepe e entsoeng ka tšepe e entsoeng ka tšepe, hobane khohlano pakeng tsa disc le bokaholimo ba tiiso ea 'mele oa valve e nyane ho feta ea valve ea heke, ha e sebetse.
Leqeba la ho bula kapa le koalang la kutu ea valve e batla e le khuts'oane, 'me e na le ts'ebetso e ka tšeptjoang haholo ea ho khaola,' me hobane phetoho ea boema-kepe ba setulo sa valve e lekana le ho otla ha valve disc, e loketse haholo bakeng sa tokiso. ea sekhahla sa phallo. Ka hona, mofuta ona oa valve o loketse haholo bakeng sa ho khaola kapa ho laola le ho thothomela.
✧Parameters ea Forged Steel Gate Valve Flanged End
| Sehlahisoa | Qetello e Felletseng ea Heke ea tšepe e Felletseng |
| Bophara ba lebitso | NPS 1/2”, 3/4”, 1”, 1 1/2”, 1 3/4” 2”, 3”, 4” |
| Bophara ba lebitso | Sehlopha sa 600, 900, 1500, 2500. |
| Qetella Khokahano | Integral flange, Welded flange |
| Tshebetso | Tšoara Wheel, Pneumatic Actuator, Electric Actuator, Bare Stem |
| Lisebelisoa | A105, A350 LF2, A182 F5, F11, F22, A182 F304 (L), F316 (L), F347, F321, F51, Alloy 20, Monel, Inconel, Hastelloy, Aluminium Bronze le motsoako o mong o khethehileng. |
| Sebopeho | Outside Screw & Yoke (OS&Y), Bolted Bonnet, Welded Bonnet kapa Pressure Seal Bonnet |
| Moqapi le Moetsi | API 602, ASME B16.34 |
| Sefahleho le Sefahleho | Tekanyetso ea Moetsi |
| Qetella Khokahano | SW (ASME B16.11) |
| BW (ASME B16.25) | |
| NPT (ASME B1.20.1) | |
| RF, RTJ (ASME B16.5) | |
| Tlhahlobo le Tlhahlobo | API 598 |
| Tse ding | NACE MR-0175, NACE MR-0103, ISO 15848 |
| E fumaneha hape ka | PT, UT, RT, MT. |
✧ Ka mor'a Tšebeletso ea Thekiso
Joaloka moetsi oa li-valve tsa tšepe tse entsoeng ka tšepe le morekisi kantle ho naha, re ts'episa ho fa bareki tšebeletso ea boleng bo holimo ka mor'a thekiso, ho kenyelletsa le tse latelang:
1.Fana ka tataiso ea tšebeliso ea sehlahisoa le litlhahiso tsa tlhokomelo.
2.Bakeng sa ho hloleha ho bakoang ke mathata a boleng ba sehlahisoa, re tšepisa ho fana ka tšehetso ea tekheniki le ho rarolla mathata ka nako e khuts'oane ka ho fetisisa.
3.Ntle le tšenyo e bakiloeng ke tšebeliso e tloaelehileng, re fana ka litšebeletso tsa mahala tsa ho lokisa le ho nkela sebaka.
4.Re tšepisa ho arabela ka potlako litlhoko tsa tšebeletso ea bareki nakong ea tiiso ea sehlahisoa.
5. Re fana ka ts'ehetso ea nako e telele ea tekheniki, lipuisano tsa marang-rang le litšebeletso tsa koetliso. Sepheo sa rona ke ho fa bareki phihlelo e ntle ka ho fetisisa ea tšebeletso le ho etsa hore phihlelo ea bareki e be monate le ho ba bonolo.
