underdrain

الإنجليزية - التركية

الإنجليزية - الإنجليزية

تعريف underdrain في الإنجليزية الإنجليزية القاموس.: a concealed drain with openings through which the water enters when the water table reaches the level of the drain; To drain by forming an underdrain or underdrains in; as, to underdrain land; An underground drain or trench with openings through which the water may percolate from the soil or ground above; 1 Perforated pipe drain installed in crushed stone under a slab to intercept ground water and drain it away from the structure 2 The distribution system at the bottom of a sand filter to collect the filtered water during a filter run and to distribute the backwash water during backwash; Slotted tubes attached to the manifold of a sand filter After water flows through the sand it continues on through the underdrain slots back to the pool; Also call filter laterals or lower collection system - Slotted, finger-like tubes that are attached to a sand filter manifold The slots are on the bottom side to prevent the sand from passing through Water comes into the filter tank, through the sand, into the underdrain, and then back to the pool

underdrain

الواصلة

un·der·drain

السابق

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