Must be able to choose the flow rate of not less than 13 value, the flow rate is as follows 4 6 8 12,,,,, 4 6 = 10 4 12 =, =, 16 6 8 14 6 12 =, =, 18 8 12 20 4 6 12 =, = 24 22 4 8 12, 8 6 12 = 26,, And the 4 6 8 12 = 30 m3 / min automatically.
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