
Valavu yotsekeredwa ndi pressure sealed bonnet globe ndi mtundu wa globe valve yomwe ili ndi kapangidwe ka pressure seal pa bonnet, komwe kumapereka chisindikizo chodalirika pa ntchito zotsekeredwa ndi pressure. Kapangidwe kameneka kamagwiritsidwa ntchito kwambiri m'mafakitale komwe kusunga chisindikizo cholimba pansi pa pressure ndikofunikira, monga m'magawo amafuta ndi gasi, petrochemical, ndi kupanga magetsi. Kapangidwe ka pressure sealed bonnet kamasiyana ndi kapangidwe kachikhalidwe ka bolnet pogwiritsa ntchito njira yotsekeredwa ndi chitsulo pakati pa bonnet ndi thupi la valvu, zomwe zimachotsa kufunikira kwa gasket. Njira yotsekerera iyi imawonjezera kuthekera kwa valvu kupirira kutsekeredwa kwakukulu ndikuthandiza kupewa kutuluka kwa madzi. Ma valve otsekeredwa ndi pressure bonnet globe nthawi zambiri amagwiritsidwa ntchito pazinthu zofunika kwambiri komwe chitetezo, kudalirika, ndi magwiridwe antchito pansi pazovuta kwambiri ndizofunikira kwambiri. Kapangidwe ka kutseka kwa kupanikizika kamatsimikizira kuti valavu ikhoza kusunga umphumphu wake ndikutseka ngakhale ikakumana ndi milingo yovuta ya kupanikizika. Mukasankha kapena kusankha valavu yotsekeredwa ya bonnet globe, ndikofunikira kuganizira zinthu monga kuchuluka kwa kupanikizika, zofunikira kutentha, kuyanjana kwa zinthu, ndi miyezo kapena malamulo enaake amakampani omwe angagwire ntchito pa ntchito yomwe mukufuna. Ngati muli ndi mafunso ena okhudza mavalavu otsekeredwa a bonnet globe kapena ngati mukufuna thandizo pamitu ina iliyonse yokhudzana nayo, musazengereze kufunsa kuti mudziwe zambiri.
1. Thupi la valavu ndi chivundikiro cha valavu mawonekedwe olumikizira: chivundikiro cha valavu chodzitsekera chokha.
2. Kapangidwe ka magawo otsegulira ndi kutseka (valavu disc): Nthawi zambiri amagwiritsa ntchito valavu yosindikizira, malinga ndi zosowa za makasitomala ndi momwe zinthu zilili pantchito, amafunika kugwiritsa ntchito valavu yosindikizira yosindikizidwa, pamwamba pake pakhoza kukhala golide kapena zinthu zopanda chitsulo zomwe zimayikidwa pamwamba.
3. Chivundikiro cha valavu chapakati mawonekedwe a gasket: mphete yachitsulo yodzitsekera yokha.
4. Chisindikizo cha Kupaka: Graphite yosinthasintha nthawi zambiri imagwiritsidwa ntchito ngati zinthu zopakira, ndipo PTFE kapena zinthu zopakira zopangidwa ndi zinthu zosiyanasiyana zimatha kuperekedwa malinga ndi zosowa za ogwiritsa ntchito. Kuuma kwa pamwamba pa paketi ndi bokosi lodyetsera ndi 0.2um, zomwe zingatsimikizire kuti tsinde la valavu ndi pamwamba pa cholumikizira chopakira zikugwirana ntchito bwino koma zimazungulira momasuka, ndipo kuuma kwa pamwamba pa tsinde la valavu ndi 0.8μm pambuyo pa kukonza molondola kumatha kutsimikizira kutsekedwa kodalirika kwa tsinde la valavu.
5. Dongosolo lothandizira kulongedza zinthu zonyamula katundu m'masika: Ngati makasitomala akufuna, dongosolo lothandizira kulongedza zinthu zonyamula katundu m'masika lingagwiritsidwe ntchito kukonza kulimba ndi kudalirika kwa zisindikizo zonyamula katundu.
6. Njira yogwirira ntchito: nthawi zonse, njira yoyendetsera mawilo amanja kapena giya ingagwiritsidwe ntchito malinga ndi zosowa za ogwiritsa ntchito, njira yoyendetsera mawilo a sprocket kapena njira yoyendetsera magetsi.
7. Kapangidwe ka chisindikizo chobwerera m'mbuyo: Ma valve onse a globe omwe kampani yathu imapereka ali ndi kapangidwe ka chisindikizo chobwerera m'mbuyo, nthawi zina, kapangidwe ka mpando wa valavu ya carbon steel globe kamagwiritsa ntchito kapangidwe ka chisindikizo chobwerera m'mbuyo, ndipo chisindikizo chobwerera m'mbuyo cha valavu ya globe ya chitsulo chosapanga dzimbiri chimakonzedwa kapena kukonzedwa mwachindunji pambuyo powotcherera. Vavu ikatsegulidwa bwino, pamwamba pake pamakhala podalirika kwambiri.
8. Kapangidwe ka tsinde la valavu: Njira yonse yopangira imagwiritsidwa ntchito kudziwa kukula kocheperako malinga ndi zofunikira.
9. Nati ya tsinde la vavu: Nthawi zonse, zinthu za nati ya tsinde la vavu ndi aloyi ya mkuwa. Zipangizo monga chitsulo cha nickel chopangidwa ndi chitsulo chambiri zingagwiritsidwe ntchito malinga ndi zosowa za ogwiritsa ntchito. Pa mavavu a globe opanikizika kwambiri komanso mainchesi akuluakulu: mabearing ozungulira amapangidwa pakati pa nati ya tsinde ndi tsinde, zomwe zingathandize kuchepetsa mphamvu yotsegulira valavu ya globe kuti valavuyo ikhale yotseguka komanso yotsekedwa mosavuta.
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 | Valavu Yosindikizidwa ya Bonnet Globe Vavu |
| 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 | Gudumu Logwirira, Chogwirira cha Pneumatic, Chogwirira cha Magetsi, Tsinde Lopanda Chilema |
| 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 | Kunja kwa Screw & Yoke (OS&Y), Bonnet ya Pressure Seal |
| Kapangidwe ndi Wopanga | API 600, API 603, ASME B16.34 |
| 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 wopanga mavavu achitsulo opangidwa ndi akatswiri 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.