Ndi mitundu yanji ya ma cheke

Pali mitundu inayi yafufuzani ma valve: kwezani ndikugwetsa, kugwedezeka, mpira, ndi mbale.

Kwezanichekeni valavu, yomwe imadziwikanso kuti lift gate valve, imayendetsa kayendetsedwe ka madzimadzi potsegula kapena kutseka chipata chokwera ndi pansi. Ili ndi ntchito yabwino yosindikiza ndipo ndiyoyenera kukakamiza kwambiri komanso zofunikira zosindikizira. Amagwiritsidwa ntchito kwambiri m'minda monga madzi ndi ngalande, petrochemicals, ndi kupanga magetsi. Pakukonza, ndikofunikira kugwiritsa ntchito mafuta opaka mafuta nthawi zonse kuti mutsimikizire kutseguka ndikutseka; Kuyeretsa nthawi zonse ma valve ndi malo osindikizira kuti mutsimikize kusindikiza kukhulupirika; Yang'anani kutayikira kwamadzi ndi mpweya pamalumikizidwe a valve.

Swing check valve, yomwe imadziwikanso kuti plug check valve, imasintha njira yamadzimadzi pozungulira thupi la valve. Ndizosavuta kukhazikitsa, zopanda malire ndi kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe kake. Amagwiritsidwa ntchito kwambiri m'mafakitale monga mankhwala, mphamvu, ndi kuteteza chilengedwe. Njira zosamalira zikuphatikizapo: kugwiritsa ntchito mafuta opaka nthawi zonse; Kuyeretsa nthawi zonse ma valve ndi malo osindikizira; Yang'anani kusiyana pakati pa pulagi ndi malo osindikizira kuti muwone ngati chinthu chosindikizira chiyenera kuikidwa.

Mpirachekeni valavu, yomwe imadziwikanso kuti valve valve check valve, imazungulira kutsegula ndi kutseka. Poyerekeza ndi mtundu wa swing, imakhala ndi mawonekedwe osavuta, kulemera kwake, kukana kwa dzimbiri, koma kusagwira bwino ntchito, ndipo imagwiritsidwa ntchito kwambiri m'magawo monga mafuta opangira mafuta ndi mankhwala. Pakukonza, ndikofunikira kugwiritsa ntchito mafuta opaka mafuta nthawi zonse; Kuyeretsa nthawi zonse ma valve ndi malo osindikizira; Yang'anani mawonekedwe a thupi la valve ya mpira kuti mupewe kuvala kapena kumasuka.

Valavu yoyang'ana mtundu wa mbale, yomwe imadziwikanso kuti flip plate check valve, imatsegula ndi kutseka ndikutembenuza matabwa. Mapangidwe ake ndi osavuta komanso osavuta kusamalira, oyenerera kutsika kwapansi ndi maulendo ang'onoang'ono othamanga, omwe amagwiritsidwa ntchito m'madera monga madzi apampopi ndi zimbudzi. Njira zosamalira zikuphatikizapo: kugwiritsa ntchito mafuta opaka nthawi zonse; Kuyeretsa nthawi zonse ma valve ndi malo osindikizira; Yang'anani kapangidwe ka ma valve kuti mupewe zovuta monga ma roller blades, fasteners, ndi masikelo.