I-API 594 ngumgangatho weAmerican Petroleum Institute oquka uyilo, imathiriyeli, imilinganiselo, uvavanyo, kunye nokuhlolwa kweevalvu zokutshekisha. Ngokukodwa, igxininisa kwiinkcukacha zeevalvu zokujonga ipleyiti ezimbini, ezikwabizwa ngokuba ziivalve zokujonga i-wafer, ezisetyenziswa ngokubanzi kumashishini ahlukeneyo kubandakanya i-oyile negesi, i-petrochemical, kunye nokusulungekiswa. Lo mgangatho uqinisekisa ukuba i-valve ihlangabezana nemilinganiselo ethile yokusebenza kunye nokhuseleko lwezicelo ezibandakanya ukuthintela ukuhamba kwe-reverse.Iimpawu eziphambili zeeplate ezimbini zokujonga iiplate ezenziwe kwimigangatho ye-API 594 zingabandakanya i-wafer-type design, iiplati ezilayishwe entwasahlobo, kunye ne-compact, ulwakhiwo olulula olufanelekileyo ukufakwa phakathi kweeflange. Ezi valves zidla ngokuthandwa ngenxa yokuhla koxinzelelo oluphantsi, ukutywinwa okuthembekileyo, kunye nokulula ukufakela kunye nokugcinwa.Ukuba unemibuzo ethile malunga neevalvu zokujonga ipleyiti ezimbini ezenziwe kwimigangatho ye-API 594 okanye zifuna iinkcukacha ezithe kratya malunga nokucaciswa kwazo, izixhobo, okanye iimfuno zovavanyo, nceda uzive ukhululekile ukubuza ulwazi oluthe kratya.
1. ubude besakhiwo bufutshane, ubude besakhiwo buyi-1/4 ukuya kwi-1/8 kuphela yevalve yokukhangela iflange.
2. ubungakanani obuncinci, ubunzima obukhanyayo, ubunzima bayo buyi-1/4 ukuya kwi-1/20 yevalve yesiqhelo yokuvalwa okucothayo.
3. i-disc ye-valve yokujonga i-clamp ivala ngokukhawuleza, kwaye uxinzelelo lwehamile yamanzi luncinci
4. itshekhi ivalve umbhobho othe tyaba okanye othe nkqo ungasetyenziswa, kulula ukuyifaka
5. i-clamp check valve flow path igudile, ukuxhathisa ulwelo kuncinci
6. isenzo esibuthathaka, ukusebenza kakuhle kokutywina
7. i-disc stroke imfutshane, i-clamping check valve yokuvala impembelelo incinci
8. Isakhiwo esipheleleyo, esilula kwaye sihlangene, isimo esihle
9. ubomi benkonzo ende, ukuthembeka okuphezulu
Ngethuba lokuvula kunye nokuvala i-valve yeglobhu yentsimbi ekhandiweyo, ngenxa yokuba i-friction phakathi kwe-disc kunye ne-surface yokutywina ye-valve yomzimba incinci kune-valve yesango, ayigugi.
Ukuvula okanye ukuvala i-stroke ye-valve stem mfutshane, kwaye inomsebenzi othembekileyo wokusikwa, kwaye ngenxa yokuba utshintsho lwe-valve seat port lulingana ne-stroke ye-valve disc, ifaneleke kakhulu ukulungiswa kwesantya sokuhamba. Ke ngoko, olu hlobo lwevalve lufanelekile kakhulu ukunqunyulwa okanye ukulawulwa kunye ne-throttling.
Imveliso | I-API 594 ye-Dual Plate Check Valve |
Idayamitha yegama | NPS 1/2”, 3/4”, 1”, 1-1/4”, 1-1/2”, 2”, 3”, 4”, 6”, 8” , 10” , 12” , 14”, 16”, 18”, 20” 24”, 24”, 28, 6”, 3, 4, 6” |
Idayamitha yegama | Iklasi 900, 1500, 2500. |
Phelisa uQhagamshelwano | Flanged (RF, RTJ, FF), Welded. |
Ukusebenza | Ihamile Enzima, Akukho |
Izinto eziphathekayo | A216 WCB, WC6, WC9, A352 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A, A995 5A, A995 6A, Ingxubevange 20, Monel, Inconel, Hastelloy, Aluminium Bronze kunye nezinye i-alloy ekhethekileyo. |
A105, LF2, F5, F11, F22, A182 F304 (L), F316 (L), F347, F321, F51, Ingxubevange 20, Monel, Inconel, Hastelloy | |
Ulwakhiwo | I-Bolted Cover, iSigqubuthelo seTywina loxinzelelo |
Uyilo kunye noMvelisi | API 6D |
Ubuso ngobuso | ASME B16.10 |
Phelisa uQhagamshelwano | I-ASME B16.5 (RF & RTJ) |
I-ASME B16.25 (BW) | |
Uvavanyo kunye noHlolo | API 598 |
Okunye | NACE MR-0175, NACE MR-0103, ISO 15848, API624 |
Iyafumaneka nge | PT, UT, RT,MT. |
Njengobuchwephesha be-API 594 ye-Dual Plate yokuJonga iValve kunye nomthengisi ngaphandle, sithembisa ukunika abathengi ngenkonzo ekumgangatho ophezulu emva kokuthengisa, kubandakanya oku kulandelayo:
1.Ukubonelela ngesikhokelo sokusetyenziswa kwemveliso kunye neengcebiso zokugcina.
I-2.Ukusilela okubangelwa iingxaki zomgangatho wemveliso, sithembisa ukubonelela ngenkxaso yobugcisa kunye nokulungisa iingxaki ngexesha elifutshane.
3.Ngaphandle komonakalo obangelwa kukusetyenziswa okuqhelekileyo, sinikezela ngokulungiswa kwamahhala kunye neenkonzo zokutshintshwa.
I-4.Sithembisa ukuphendula ngokukhawuleza kwiimfuno zenkonzo yabathengi ngexesha lewaranti yemveliso.
5. Sinikezela ngenkxaso yobugcisa bexesha elide, ukubonisana nge-intanethi kunye neenkonzo zoqeqesho. Injongo yethu kukubonelela abathengi ngeyona nkonzo ingcono yamava kwaye senze amava abathengi abe mnandi kwaye abe lula.