The DL vertical multistage centrifugal pump is the our company according to our country to the high-rise construction for draining water and the fire related standard development new product, because has used the water power model which national recommendation use highly effective energy conservation product IS pumps, therefore DL pump efficiency rate high, the performance scope is broad, satisfies the operation requirements well, has used verticalally in the structure, the partition form, pumps in underneath, the water outlet in the place above. User when installment may act according to the actual situation, the water leakage section may revolve 90 ~ 180 ~ 270 and so on four directions, thus revolution security, steady, life long, area small, the installment, the service is convenient. Is suitable to the transportation clear water or the physico-chemical properties similar water other liquids.