
Muyezo wa API 6D umatanthauzira zofunikira za ma valve apaipi, kuphatikizapo zofunikira za mitundu yosiyanasiyana ya ma valve, kuyambira ma valve a pachipata mpaka ma valve owunikira. Valavu yowunikira ma port swing yonse yopangidwa molingana ndi API 6D imakwaniritsa miyezo yeniyeni yamakampani ndi zofunikira pa kapangidwe kake, zipangizo, miyeso, ndi njira zoyesera. Pankhani ya valavu yowunikira ma swing, "port yonse" nthawi zambiri imatanthauza kuti valavu ili ndi kukula kofanana ndi payipi yomwe yayikidwamo. Kapangidwe kameneka kamachepetsa kutsika kwa kuthamanga ndi kukana kuyenda, zomwe zimathandiza kuti madzi aziyenda bwino kudzera mu valavu. Valavu yowunikira ma swing imagwira ntchito polola kuyenda mbali imodzi pomwe ikuletsa kubwerera kumbuyo kumbali ina. Disiki yozungulira mkati mwa valavu imatseguka mbali inayo ndikutseka kuti isayende mobwerera. Mtundu uwu wa valavu umagwiritsidwa ntchito kwambiri m'mapulogalamu omwe kupewa kubwerera kwa madzi ndikofunikira kwambiri, monga m'mapaipi, mafakitale oyeretsera, ndi mafakitale opangira zinthu. Mavalavu ogwirizana ndi API 6D adapangidwa ndikuyesedwa kuti athe kupirira kupsinjika kosiyanasiyana, kutentha, ndi mitundu yamadzimadzi, kuonetsetsa kuti ntchito yodalirika komanso yotetezeka m'malo ovuta kwambiri amafakitale. Ngati mukufuna zambiri zenizeni zokhudza valavu yoyang'anira madoko onse a API 6D kapena muli ndi mafunso ena, musazengereze kufunsa kuti mudziwe zambiri.
1. Kutalika kwa kapangidwe kake ndi kochepa, ndipo kutalika kwa kapangidwe kake ndi 1/4 mpaka 1/8 yokha ya valavu yoyang'anira flange yachikhalidwe;
2. Kukula kochepa, kulemera kopepuka, ndipo kulemera kwake ndi 1/4 mpaka 1/20 yokha ya valavu yoyang'anira yocheperako;
3. Disiki ya valavu imatsekedwa mwachangu ndipo mphamvu ya nyundo ya madzi ndi yochepa;
4. Mapaipi opingasa kapena oimirira angagwiritsidwe ntchito, osavuta kuyika;
5. Njira yoyenda bwino, kukana madzi pang'ono;
6. Kuchita bwino, kutseka bwino;
7. Kugundana kwa diski ya valavu kwakanthawi, kukhudza pang'ono kwa valavu yotseka;
8. Kapangidwe konse, kosavuta komanso kakang'ono, mawonekedwe okongola;
9. Utumiki wautali komanso kudalirika kwambiri.
Pakutsegula ndi kutseka valavu yachitsulo chopangidwa ndi chitsulo, chifukwa kukangana pakati pa diski ndi pamwamba pa valavu kumakhala kochepa kuposa kwa valavu ya chipata, sikutha kusweka.
Kutsekeka kapena kutseka kwa tsinde la valavu ndi kochepa, ndipo kuli ndi ntchito yodalirika yodulira, ndipo chifukwa kusintha kwa doko la mpando wa valavu kumafanana ndi kutsekeka kwa diski ya valavu, ndikoyenera kwambiri kusintha kuchuluka kwa madzi. Chifukwa chake, valavu yamtunduwu ndi yoyenera kwambiri kudula kapena kulamulira ndi kugwedeza.
| Chogulitsa | API 6D Full Port Swing Check Valve |
| M'mimba mwake mwa dzina | NPS 2”, 3”, 4”, 6”, 8”, 10”, 12”, 14”, 16”, 18”, 20” 24”, 28”, 32”, 36”, 40”, 48” |
| M'mimba mwake mwa dzina | Kalasi 150, 300, 600, 900, 1500, 2500. |
| Kulumikiza Komaliza | Yopindika (RF, RTJ, FF), Yolumikizidwa. |
| Ntchito | Hammer Yolemera, Palibe |
| Zipangizo | A216 WCB, WC6, WC9, A352 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A, A995 5A, A995 6A, Alloy 20, Monel, Inconel, Hastelloy, Aluminiyamu Bronze ndi alloy ina yapadera. |
| A105, LF2, F5, F11, F22, A182 F304 (L), F316 (L), F347, F321, F51, Alloy 20, Monel, Inconel, Hastelloy | |
| Kapangidwe | Chivundikiro Cholimba, Chivundikiro Chosindikizidwa Chopanikizika |
| Kapangidwe ndi Wopanga | API 6D |
| Maso ndi Maso | ASME B16.10 |
| Kulumikiza Komaliza | ASME B16.5 (RF & RTJ) |
| ASME B16.25 (BW) | |
| Kuyesa ndi Kuyang'anira | API 598 |
| Zina | NACE MR-0175, NACE MR-0103, ISO 15848, API624 |
| Ikupezekanso pa | PT, UT, RT,MT. |
Monga katswiri wa API 6D Full Port Swing Check Valve komanso wogulitsa kunja, tikulonjeza kupatsa makasitomala ntchito yabwino kwambiri yogulitsa pambuyo pogulitsa, kuphatikizapo izi:
1. Perekani malangizo ogwiritsira ntchito mankhwala ndi malingaliro osamalira.
2. Pa zovuta zomwe zachitika chifukwa cha mavuto a khalidwe la malonda, tikulonjeza kupereka chithandizo chaukadaulo ndi kuthetsa mavuto mkati mwa nthawi yochepa kwambiri.
3. Kupatula kuwonongeka komwe kumachitika chifukwa chogwiritsa ntchito bwino, timapereka ntchito zokonzanso ndi kusintha kwaulere.
4.Tikulonjeza kuyankha mwachangu zosowa za makasitomala panthawi ya chitsimikizo cha malonda.
5. Timapereka chithandizo chaukadaulo cha nthawi yayitali, upangiri pa intaneti ndi maphunziro. Cholinga chathu ndikupatsa makasitomala chithandizo chabwino kwambiri ndikupangitsa kuti zomwe makasitomala amakumana nazo zikhale zosangalatsa komanso zosavuta.