ʻO ka valve seal gate valve, i ʻike ʻia ʻo elastic seat gate valve, he valve manual i hoʻohana ʻia no ka hoʻopili ʻana i ka media pipeline a me nā hoʻololi i ka ʻenehana mālama wai. ʻO ke ʻano o ka ʻīpuka palani palupalu he noho, kahi uhi kīwī, kahi pā pā, kahi uhi paʻi, kahi ʻōpala, kahi huila lima, kahi gasket, ...
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