Kugwiritsa ntchito valavu yaku China flange yolumikizira agulugufe apakati pazachimbudzi
Kugwiritsa ntchito valavu ya butterfly yapakatikati yolumikizirana pakati pa agulugufe pochiza zimbudzi Poyeretsa zimbudzi, ma valve ndi zida zofunika kwambiri komanso zofunika kwambiri, zomwe zimagwira ntchito yayikulu pakuwongolera kutuluka kwamadzimadzi, kuwongolera kuthamanga ndi kutuluka, ndi zina zotero. A...
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