API 594 ke standard ea American Petroleum Institute e akaretsang moralo, lisebelisoa, boholo, tlhahlobo le tlhahlobo ea li-valve tsa cheke.Haholo-holo, e lebisa tlhokomelo ho litlhaloso tsa li-valve tsa ho hlahloba lipoleiti tse peli, tse tsejoang hape e le li-wafer check valves, tse sebelisoang haholo liindastering tse sa tšoaneng ho akarelletsa le oli le khase, petrochemical, le refining.Tekanyetso ea API 594 e hlalosa litlhoko tsa li-valve tsa ho hlahloba lipoleiti tse peli. mabapi le kaho ea bona, litekanyetso tsa mocheso-khatello, lisebelisoa, netefatso ea moralo, le mekhoa ea liteko.Tekanyetso ena e tiisa hore li-valve li finyella litekanyetso tse itseng tsa ts'ebetso le ts'ireletso bakeng sa lits'ebetso tse amanang le ho thibela ho phalla ha morao.Likarolo tsa bohlokoa tsa li-valve tsa ho hlahloba lipoleiti tse peli tse entsoeng ho latela litekanyetso tsa API 594 li ka kenyelletsa moralo oa mofuta oa li-wafer, lipoleiti tse tletseng selemo, le compact, kaho e bobebe e loketseng ho hlongoa lipakeng tsa li-flanges.Hangata li-valve tsena li ratoa ka lebaka la ho theoha ha khatello e tlase, ho tiisoa ho ka tšeptjoang, le boiketlo ba ho kenya le ho boloka tlhokomelo. ka kopo ikutloe u lokolohile ho botsa lintlha tse ling.
1. bolelele ba sebopeho bo khuts'oane, bolelele ba sebopeho sa eona ke 1/4 ho isa ho 1/8 feela ea valve ea setso ea ho hlahloba flange.
2. boholo bo bonyenyane, boima bo bobebe, boima ba eona ke 1/4 ho isa ho 1/20 feela ea "valve" e tloaelehileng ea ho koala butle.
3. disc ea clamp check valve e koala ka potlako, 'me khatello ea hamore ea metsi e nyenyane
4. Check valve phala e rapameng kapa e otlolohileng e ka sebelisoa, ho bonolo ho e kenya
5. tsela ea ho phalla ha valve ea clamp e boreleli, ho hanyetsa mokelikeli ho nyane
6. ketso e hlokolosi, ts'ebetso e ntle ea ho tiisa
7. "disk stroke" e khuts'oane, phello e koalang ea valve ea ho koala e nyane
8. sebopeho se akaretsang, se bonolo ebile se kopane, sebopeho se setle
9. bophelo bo bolelele ba tšebeletso, botšepehi bo phahameng
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 | API 594 Dual Plate Check Valve |
Bophara ba lebitso | NPS 1/2”, 3/4”, 1”, 1-1/4”, 1-1/2”, 2”, 3”, 4”, 6”, 8” , 10” , 12” , 14 ”, 16”, 18”, 20”24”, 28”, 32”, 36”, 40”, 48” |
Bophara ba lebitso | Sehlopha sa 900, 1500, 2500. |
Qetella Khokahano | Flanged (RF, RTJ, FF), e cheselitsoeng. |
Tshebetso | Hamore e boima, ha ho letho |
Lisebelisoa | A216 WCB, WC6, WC9, A352 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A, A995 5A, A995 6A, Alloy 20, Monel, Inconel, Hastelloy, Aluminium Bronze le tse ling tse khethehileng. |
A105, LF2, F5, F11, F22, A182 F304 (L), F316 (L), F347, F321, F51, Alloy 20, Monel, Inconel, Hastelloy | |
Sebopeho | Sekoaelo se Bolted, Sekoahelo sa Tiiso ea Khatello |
Moqapi le Moetsi | API 6D |
Sefahleho le Sefahleho | ASME B16.10 |
Qetella Khokahano | ASME B16.5 (RF & RTJ) |
ASME B16.25 (BW) | |
Tlhahlobo le Tlhahlobo | API 598 |
Tse ding | NACE MR-0175, NACE MR-0103, ISO 15848, API624 |
E fumaneha hape ka | PT, UT, RT, MT. |
Joaloka setsebi sa API 594 Dual Plate Check Valve le morekisi kantle ho naha, re ts'episa ho fa bareki ts'ebeletso ea boleng bo holimo kamora 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.