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北沃沙缸缸頭(六位制操作)生產(chǎn)制造沙缸缸頭
Multiport Valve(Six position)
正常過(guò)濾
反沖洗
反沖洗后,排出水管內(nèi)殘留污物
不經(jīng)過(guò)濾直接排水
不經(jīng)過(guò)濾循環(huán)
關(guān)閉 FILTER: normal filtration and vacuuming.
BACKWASH: clean filter by reversing the flow.
RINSE: flush dirt from valve after backwash.
WASTE: by-pass filter, used for vacuuming to waste or lowering water level.
RECIRCULATE: by-pass filter for circulating water to pool.
CLOSED: close all flow to filter or pool.