Cov yam tseem ceeb uas cuam tshuam rau qhov tseeb ntawm cov ntsuas dej yog raws li nram no:
1. Tus nqi dej ntws: Kev hloov pauv ntawm qhov ntsuas ntws (tshwj xeeb tshaj yog qhov ntws qis heev lossis siab heev) yuav txo qhov tseeb ntawm kev ntsuas.
2. Qhov zoo ntawm dej: Cov khoom tsis huv, cov av noo, lossis cov nplai hauv dej tuaj yeem ua rau cov khoom sab hauv puas tsuaj lossis cuam tshuam kev tig ntawm lub impeller.
3. Tej yam kev teeb tsa: Kev teeb tsa tsis raug (piv txwv li, cov yeeb nkab tsis ncaj txaus, kev teeb tsa tsis raug kab rov tav/ntsug) yuav cuam tshuam kev ntws dej ruaj khov.
4. Kev puas tsuaj ntawm cov khoom siv: Kev siv ntev ua rau cov impellers, iav, lossis bearings puas, ua rau muaj kev hloov pauv ntawm kev tiv thaiv kev sib hloov.
5. Kub thiab siab: Kub heev (khov lossis kub dhau) lossis siab dej tsis ruaj khov cuam tshuam rau qhov haum ntawm cov khoom thiab dej viscosity.
6. Kev sib phim ntawm lub 'meter' caliber: Kev tsis sib phim ntawm lub 'meter' lub nominal caliber thiab qhov xav tau dej ntws tiag tiag ua rau muaj kev hloov pauv ntawm kev ntsuas.
7. Kev tsim khoom raug: Kev kam rau siab hauv kev ua cov khoom tseem ceeb (impeller, gear train) cuam tshuam rau qhov tseeb ntawm kev sib kis.
8. Kev laus ntawm cov khoom sib khi: Cov foob tsis zoo yuav ua rau muaj kev xau sab hauv, ua rau suav tsis tau qhov ntim dej.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-18-2025