
I-API 594 ngumgangatho we-American Petroleum Institute oquka uyilo, izixhobo, ubungakanani, uvavanyo, kunye nokuhlolwa kweevalvu zokujonga. Ngokukodwa, igxile kwiinkcukacha zeevalvu zokujonga iipleyiti ezimbini, ezaziwa ngokuba ziivalvu zokujonga iiwafer, ezisetyenziswa kakhulu kumashishini ahlukeneyo kuquka ioyile negesi, i-petrochemical, kunye nokucocwa. Umgangatho we-API 594 uchaza iimfuno zeevalvu zokujonga iipleyiti ezimbini ngokwendlela ezakhiwe ngayo, ukulinganiswa kobushushu boxinzelelo, izixhobo, ukuqinisekiswa koyilo, kunye neenkqubo zovavanyo. Lo mgangatho uqinisekisa ukuba iivalvu ziyahlangabezana nemigangatho ethile yokusebenza kunye nokhuseleko kwizicelo ezibandakanya ukuthintela ukuhamba okungasemva. Iimpawu eziphambili zeevalvu zokujonga iipleyiti ezimbini ezenziwe ngokwemigangatho ye-API 594 zinokubandakanya uyilo lohlobo lwewafer, iipleyiti ezifakwe entwasahlobo, kunye nolwakhiwo oluncinci, olukhaphukhaphu olufanelekileyo ukufakwa phakathi kweeflange. Ezi valve zihlala zithandwa ngenxa yokwehla koxinzelelo oluphantsi, ukutywinwa okuthembekileyo, kunye nokulula kokufakwa kunye nokugcinwa. Ukuba unemibuzo ethile malunga neevalvu zokujonga iipleyiti ezimbini ezenziwe ngokwemigangatho ye-API 594 okanye ufuna iinkcukacha ezithe vetshe malunga neenkcukacha zazo, izixhobo, okanye iimfuno zovavanyo, nceda uzive ukhululekile ukucela ulwazi oluthe vetshe.
1. ubude besakhiwo bufutshane, ubude besakhiwo saso yi-1/4 ukuya kwi-1/8 kuphela yevalvu yokujonga iflange yendabuko
2. ubungakanani obuncinci, ubunzima obulula, ubunzima bayo buyi-1/4 ukuya kwi-1/20 kuphela yevalvu yokujonga ukuvalwa okucothayo kwe-micro yendabuko
3. idiski yevalvu yokujonga i-clamp ivala ngokukhawuleza, kwaye uxinzelelo lwesando samanzi luncinci
4. I-check valve ethe tye okanye ethe nkqo ingasetyenziswa, kulula ukuyifaka
5. Indlela yokuhamba kwevalvu yokujonga i-clamp igudile, ukumelana kolwelo kuncinci
6. isenzo esinobuthathaka, ukusebenza kakuhle kokutywina
7. I-disc stroke imfutshane, impembelelo yokuvala ivalvu yokujonga ukubamba incinci
8. ulwakhiwo lulonke, lulula kwaye luncinci, imilo entle
9. ubomi obude benkonzo, ukuthembeka okuphezulu
Ngexesha lenkqubo yokuvula nokuvala ivalvu yeglobhu yentsimbi eyenziweyo, kuba ukungqubana phakathi kwediski nomphezulu wokutywina womzimba wevalvu kuncinci kunokwevalvu yesango, ayigugi.
I-stroke yokuvula okanye yokuvala yesiqu sevalvu imfutshane kakhulu, kwaye inomsebenzi wokunqunyulwa othembekileyo kakhulu, kwaye ngenxa yokuba utshintsho lwesango lesihlalo sevalvu luhambelana ne-stroke yediski yevalvu, lufanelekile kakhulu ekulungiseni isantya sokuhamba. Ke ngoko, olu hlobo lwevalvu lufanelekile kakhulu ekunqunyulweni okanye ekulawuleni nasekugobeni.
| Imveliso | I-API 594 Dual Plate Check Valve |
| Ububanzi obuqhelekileyo | I-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” |
| Ububanzi obuqhelekileyo | Iklasi 900, 1500, 2500. |
| Phelisa uQhagamshelo | I-Flanged (RF, RTJ, FF), Idibeneyo. |
| Umsebenzi | IHammer Enzima, Akukho |
| Izixhobo | I-A216 WCB, i-WC6, i-WC9, i-A352 LCB, i-A351 CF8, i-CF8M, i-CF3, i-CF3M, i-A995 4A, i-A995 5A, i-A995 6A, i-Alloy 20, i-Monel, i-Inconel, i-Hastelloy, i-Aluminium Bronze kunye nezinye i-alloy ezikhethekileyo. |
| A105, LF2, F5, F11, F22, A182 F304 (L), F316 (L), F347, F321, F51, I-Alloy 20, iMonel, i-Inconel, iHastelloy | |
| Ulwakhiwo | Isigqubuthelo Esinamavili, Isigqubuthelo Soxinzelelo |
| Uyilo kunye noMvelisi | I-API 6D |
| Ubuso ngobuso | I-ASME B16.10 |
| Phelisa uQhagamshelo | I-ASME B16.5 (RF kunye ne-RTJ) |
| I-ASME B16.25 (BW) | |
| Uvavanyo kunye nokuhlolwa | I-API 598 |
| Okunye | I-NACE MR-0175, i-NACE MR-0103, i-ISO 15848, i-API624 |
| Ikwafumaneka nge | I-PT, UT, RT,MT. |
Njenge-API 594 Dual Plate Check Valve yobungcali kunye nomthumeli ngaphandle, sithembisa ukubonelela abathengi ngenkonzo esemgangathweni emva kokuthengisa, kuquka oku kulandelayo:
1.Nika isikhokelo sokusetyenziswa kwemveliso kunye neengcebiso zokugcinwa kwayo.
2. Ngeengxaki zomgangatho wemveliso, sithembisa ukubonelela ngenkxaso yobugcisa kunye nokusombulula iingxaki ngexesha elifutshane kangangoko.
3. Ngaphandle komonakalo obangelwe kukusetyenziswa okuqhelekileyo, sinikezela ngeenkonzo zokulungisa nokutshintsha zasimahla.
4.Sithembisa ukuphendula ngokukhawuleza kwiimfuno zenkonzo yabathengi ngeli xesha lewaranti yemveliso.
5. Sinikezela ngenkxaso yobugcisa yexesha elide, iinkonzo zokubonisana kwi-intanethi kunye noqeqesho. Injongo yethu kukubonelela abathengi ngamava enkonzo angcono kwaye senze amava abathengi abe mnandi kwaye abe lula.