Yerlok 8 PriedIge Steve amatha kuwongolera mayendedwe ndipo amatha kutseguka mosavuta komanso kutsekedwa ndi masamba osiyanasiyana, mawonekedwe oyenda, zida, komanso kulumikizana.
Nyama za NV1 Zolemba za NV1 zimakhala ndi chidutswa chimodzi chopangidwa.
Nyama za NV2 Zingwe za NV2 zimakhala ndi khoma lolemera lopangidwa ndi chinsinsi cha chitetezo chambiri. Kupanikizika kwa Max ndi 10000 psig (689 bar)
Nyama za NV3 siziyenera kukhala ndi ntchito yomanga-bon-Bonnet kuti iteteze.
Mauvudzi a NV4 ali ndi dongosolo lonyamula live lonyamula katundu, ndipo mafuta ake onyamula amathandizira kusintha kwakunja.
Nyama za NV5 siziyenera kukhala ndi kapangidwe kake.
Ma vumbi a NV6 Studge atlecle asintha mtundu, zomwe zitha kukhala zotseguka ndikutseka mwachangu. Ili ndi chinsinsi-chofewa, ndipo chisindikizo chake cha O REP sichingasinthe.
Ma vumba ya NV7 Sertient ali ndi kapangidwe kokhazikika. Chochita chake chimalepheretsa zomvetsa chisoni kuti zisalowe m'malo ogwirira ntchito, ndipo gawo lake lokhazikika limathandizira kukonza.
Nyama ya NV8 Serviet ili ndi thupi la valve. Stem yake yopanda malire imathandizira kusindikiza.
Yimbandi amodzi mwa akatswiri opanga ziwonetsero za mavavu ndi zolimba ku China.Kusankha kwapang'onopang'ono ndikuyesa, kugwiritsa ntchito ukadaulo wapamwamba kwambiri, njira yosalala yopangira komanso kupanga akatswiri opanga maluso ndi kuyeserera kwa ogwira ntchito, akupanga mazana ambirimavuvundimatima. Ndisankho labwino kwambiri pakugula kwanu, kusunga nthawi ndi mphamvu.
Pambuyo pazaka zoyesayesa, raiselok yakhala othandizira makasitomala odziwika monga a Sinopec, Petrochina, CYOOC, GYARROM, ROSPOMES, RORALICE NDI GLOFT NDIPONSO ZOTHANDIZA. Vadilok yapambana mamaument ochokera kwa makasitomala chifukwa chaKatswiri Woyang'anira, ukadaulo wokhwima ndi utumiki wokhazikika.
