Sephahla sa heke sa cryogenic se nang le bonnet e atolositsoeng e etselitsoeng ho sebetsa ka mocheso o tlase ho -196 ° C hangata e hahiloe ho mamella serame se feteletseng le ho boloka ts'ebetso e nepahetseng maemong a thata joalo. Li-valve tsena li atisa ho sebelisoa liindastering tse kang ho sebetsa ha khase ea tlhaho (LNG), tlhahiso ea khase ea indasteri, le lisebelisoa tse ling tsa cryogenic moo ho amehang mocheso o tlase haholo. ho tloha serameng kapa ho qhekella mochesong o tlase joalo. Ho phaella moo, lisebelisoa tse sebelisoang ha ho etsoa li-valve, tse kang li-alloys tse khethehileng kapa li-plastiki tsa mocheso o tlaase, li khethoa ho boloka matla le botšepehi ba tsona libakeng tsa cryogenic. ba etsa liteko tse matla ho netefatsa hore ba khona ho sebetsana le mocheso o feteletseng le likhatello tse amehang.
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.
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.
Sehlahisoa | Cryogenic Gate Valve E Atolositsoeng Bonnet bakeng sa -196 ℃ |
Bophara ba lebitso | NPS 1/2”, 3/4”, 1”, 1 1/2”, 1 3/4” 2”, 3”, 4” |
Bophara ba lebitso | Sehlopha sa 150, 300, 600, 800, 900, 1500, 2500. |
Qetella Khokahano | BW, SW, NPT, Flanged, BWxSW, BWxNPT, SWxNPT |
Tshebetso | Tšoara Wheel, Pneumatic Actuator, Electric Actuator, Bare Stem |
Lisebelisoa | A351 CF8, CF8M, CF3, CF3M, F304,F316 ,F51,F53,F55, Alloy 20, Monel, Inconel, Hastelloy |
Sebopeho | Outside Screw & Yoke (OS&Y), E Atolositsoeng ea Cryogenic Bonnet |
Moqapi le Moetsi | API 600, API 623, BS1868, BS 6364, MSS SP -134, API 608, API 6D, 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. |
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.