Xisivela ku tlhelela endzhaku,TWS Valve
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Xisivela ku tlhelela endzhaku,TWS Valve
Hlaya swo talaBackflow preventer leyi tirhisiwaka ngopfu eka mphakelo wa mati kusuka eka unit unit kuya eka general sewage unit yi ringanyeta swinene ntshikelelo wa tiphayiphi leswaku ku khuluka ka mati kutava ntsena eka ndlela yin’we. Ntirho wa yona i ku sivela ku khuluka endzhaku ka xitirhisiwa xa tiphayiphi kumbe xiyimo xin’wana na xin’wana xa siphon flow back, leswaku ku papalatiwa ku thyakisa ka backflow.
