Kāohi Hoʻi hope
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Kāohi hope, TWS Valve
Heluhelu hou akuHoʻohana nui ʻia ka backflow preventer no ka hoʻolako ʻana i ka wai mai ke kūlanakauhale a hiki i ka ʻāpana hoʻoheheʻe maʻamau e kaupalena ʻia ke kaomi paipu i hiki i ke kahe wai ke ala hoʻokahi wale nō. ʻO kāna hana ka pale ʻana i ka backflow o ka pipeline medium a i ʻole kekahi kūlana siphon kahe i hope, i mea e pale aku ai i ka pollution backflow.
