
API 594 ke tekanyetso ea Setsi sa Petroleum sa Amerika e akaretsang moralo, thepa, litekanyo, liteko le tlhahlobo ea li-valve tsa cheke. Haholo-holo, e shebana le litlhaloso tsa li-valve tsa cheke tsa lipoleiti tse peli, tse tsejoang hape e le li-valve tsa cheke tsa wafer, tse sebelisoang haholo liindastering tse fapaneng ho kenyeletsoa oli le khase, petrochemical le ho hloekisa. Tekanyetso ea API 594 e hlalosa litlhoko tsa li-valve tsa cheke tsa lipoleiti tse peli mabapi le kaho ea tsona, litekanyetso tsa mocheso oa khatello, thepa, netefatso ea moralo le mekhoa ea liteko. Tekanyetso ena e netefatsa hore li-valve li fihlela litekanyetso tse itseng tsa ts'ebetso le polokeho bakeng sa lits'ebetso tse kenyeletsang thibelo ea phallo e khutlelang morao. Likarolo tsa bohlokoa tsa li-valve tsa cheke tsa lipoleiti tse peli tse entsoeng ho latela maemo a API 594 li ka kenyelletsa moralo oa mofuta oa wafer, lipoleiti tse jereng selemo, le kaho e nyane, e bobebe e loketseng ho kenngoa lipakeng tsa li-flange. Li-valve tsena hangata li ratoa ka lebaka la ho theoha ha tsona khatellong e tlase, ho tiisa ho tšepahalang, le bonolo ba ho kenya le ho hlokomela. Haeba u na le lipotso tse tobileng mabapi le li-valve tsa cheke tsa lipoleiti tse peli tse entsoeng ho latela maemo a API 594 kapa u hloka lintlha tse ling mabapi le litlhaloso tsa tsona, thepa, kapa litlhoko tsa liteko, ka kopo ikutloe u lokolohile ho kopa tlhaiso-leseling e batsi.
1. bolelele ba sebopeho bo bokhutšoanyane, bolelele ba sebopeho sa sona ke 1/4 ho isa ho 1/8 feela ea valve ea tlhahlobo ea flange ea setso
2. boholo bo bonyenyane, boima bo bobebe, boima ba eona ke 1/4 ho isa ho 1/20 feela ea valve ea tloaelo ea ho koala butle e nyane
3. Disk ea valve ea ho hlahloba clamp e koala kapele, 'me khatello ea hamore ea metsi e nyane
4. Khetla ea ho hlahloba e otlolohileng kapa e otlolohileng e ka sebelisoa, e bonolo ho e kenya
5. Tsela ea phallo ea valve ea ho hlahloba clamp e boreleli, khanyetso ea mokelikeli e nyane
6. ketso e bonolo, ts'ebetso e ntle ea ho tiisa
7. Disk stroke e kgutshwane, tshusumetso ya ho kwala ha valve ya ho hlahloba clamping e nyane
8. sebopeho ka kakaretso, se bonolo ebile se kopane, sebopeho se setle
9. bophelo bo bolelele ba tšebeletso, botšepehi bo phahameng
Nakong ea ts'ebetso ea ho bula le ho koala valve ea tšepe e entsoeng ka tšepe, hobane khohlano pakeng tsa disc le bokaholimo ba ho koala 'mele oa valve e nyane ho feta ea valve ea heke, ha e na ho tsofala.
Ho thiba kapa ho kwala ha kutu ea valve ho batla ho le hokhutšoanyane, 'me ho na le ts'ebetso e tšepahalang haholo ea ho khaola, 'me hobane phetoho ea kou ea setulo sa valve e lekana le ho thiba ha disc ea valve, e loketse haholo bakeng sa ho lokisa sekhahla sa phallo. Ka hona, mofuta ona oa valve o loketse haholo bakeng sa ho thiba kapa ho laola le ho thiba.
| 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 | E tjheseditswe (RF, RTJ, FF), E tjheseditswe. |
| Ts'ebetso | Hamore e Boima, Ha ho letho |
| Lisebelisoa | A216 WCB, WC6, WC9, A352 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A, A995 5A, A995 6A, Motsoako o kopantsoeng 20, Monel, Inconel, Hastelloy, Aluminium Bronze le motswako o mong o ikgethang. |
| A105, LF2, F5, F11, F22, A182 F304 (L), F316 (L), F347, F321, F51, Motsoako o kopantsoeng 20, Monel, Inconel, Hastelloy | |
| Sebopeho | Sekoahelo se Tlamiloeng, Sekoahelo sa Tiiso ea Khatello |
| Moralo le Moetsi | API 6D |
| Lifahleho li talimane | ASME B16.10 |
| Qetella Khokahano | ASME B16.5 (RF & RTJ) |
| ASME B16.25 (BW) | |
| Teko le Tlhahlobo | API 598 |
| Tse ling | NACE MR-0175, NACE MR-0103, ISO 15848, API624 |
| E fumaneha hape ka | PT, UT, RT,MT. |
Jwalo ka profeshenale API 594 Dual Plate Check Valve le morekisi wa thepa kantle ho naha, re tshepisa ho fa bareki tshebeletso ya boleng bo hodimo ya kamora thekiso, ho kenyeletswa 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 khutšoanyane ka ho fetisisa.
3. Ntle le tshenyo e bakilweng ke tshebediso e tlwaelehileng, re fana ka ditshebeletso tsa mahala tsa tokiso le ho nkela sebaka.
4.Re tšepisa ho arabela ka potlako litlhoko tsa tšebeletso ea bareki nakong ea tiisetso ea sehlahisoa.
5. Re fana ka tšehetso ea tekheniki ea nako e telele, boeletsi ba inthanete le lits'ebeletso tsa koetliso. Sepheo sa rona ke ho fa bareki boiphihlelo bo botle ka ho fetisisa ba ts'ebeletso le ho etsa hore boiphihlelo ba bareki bo be monate le bo bonolo haholoanyane.