
Ivalvu yokujonga iipleyiti ezimbini zentsimbi ethambileyo luhlobo lwevalvu yemizi-mveliso eyenzelwe ukuthintela ukubuya kwamanzi kwipayipi okanye kwinkqubo yenkqubo. Olu hlobo lwevalvu lwakhiwe kusetyenziswa intsimbi ethambileyo, into eyaziwa ngamandla ayo nokuqina kwayo. Uyilo lweepleyiti ezimbini lubhekisa kulwakhiwo lwevalvu, equlathe iipleyiti ezimbini ezijikiweyo okanye iidiski ezivulekayo ngenxa yokuhamba phambili kwaye zivale ukuthintela ukubuya kwamanzi. Ezi valve zisetyenziswa rhoqo kumashishini ahlukeneyo, kubandakanya unyango lwamanzi, ulawulo lwamanzi amdaka, ukunkcenkceshela, kunye neenkqubo zoshishino. Zihlala zifakwa kwiipayipi ukuqinisekisa ukuhamba kolwelo okanye igesi ngendlela enye ngelixa zithintela ukuhamba okungasemva okunokubangela umonakalo kwinkqubo okanye ukungasebenzi kakuhle. I-Ductile iron ikhethwa njengezinto zezi valve ngenxa yeempawu zayo ezintle zoomatshini kunye nokungagqwali, okwenza ukuba ifaneleke kwizicelo ezifunwayo. Uyilo lweepleyiti ezimbini lubonelela ngesisombululo esincinci nesisebenzayo sokuthintela ukubuya kwamanzi, kwaye iipleyiti ezijikiweyo zivumela impendulo ekhawulezileyo kutshintsho lokuhamba kwamanzi, ukunciphisa ukulahleka koxinzelelo. Iivalvu zokujonga iipleyiti ezimbini zentsimbi ethambileyo ziyafumaneka ngobukhulu obahlukeneyo, ukulinganiswa koxinzelelo, kunye noqhagamshelo lokuphela ukuze kuhlangatyezwane neemfuno ezahlukeneyo zesicelo. Ngokwesiqhelo ziyilwe kwaye zenziwe ngokuhambelana nemigangatho yoshishino efana ne-API, i-AWWA, kunye ne-ISO ukuqinisekisa ukusebenza kwazo, ukuthembeka, kunye nokhuseleko. Ukuba ufuna ulwazi oluthe kratya malunga neevalvu zokujonga iipleyiti ezimbini zentsimbi ethambileyo, ezifana neenkcukacha ezithile zemveliso, izikhokelo zokufakela, okanye ukuhambelana nesicelo sakho, nceda undazise ukuze ndikuncede ngakumbi.
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-Ductile Iron Dual Plate Check Valve Uhlobo lweWafer |
| 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-Ductile Iron GGG50, A216 WCB, WC6, WC9, A352 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A, A995 5A, A995 6A, I-Alloy 20, i-Monel, i-Inconel, i-Hastelloy, i-Aluminium Bronze kunye nezinye ii-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. |
Njengochwephesha wobuchwephesha we-Ductile Iron Dual Plate Check Valve kunye nomthengisi 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.