DL立式低轉速多級離心泵是采用國家推薦使用的節能產品IS型泵的水力模型，為立式多級多節段式結構。螺桿把進水段、中段、出水段夾緊聯成一體。水泵每一級裝一個葉輪、一個導水葉。軸向力采用水力平衡法解決，殘余軸向力由球軸軸承承受，用油脂潤滑。軸封采用軟填料或機械密封。產品執行JB/T2727-93《立式多級離心泵型式與基本參數》標準，主要供吸送稀釋的、清潔的、不腐蝕的的清水及物理化學性質類似水的不含固體顆粒或纖維的液體。
型 號級 數流 量(m3/h)流 量(L/S)揚 程轉 速軸功率(kw)電機功率(kw)效 率吸 程汽蝕余量(m)(r/min)(%)(m)(m)40DL26.21.7223.614500.921.54073.1936.21.7235.41.382.24073.1946.21.7247.21.8434073.1956.21.72592.344073.1966.21.7270.82.7544073.1976.21.7282.63.225.54073.1986.21.7294.43.685.54073.1996.21.72106.24.147.54073.19106.21.721184.67.54073.19116.21.72129.85.067.54073.19126.21.72141.65.52114073.1950DL212.63.524.414501.553547.62.66312.63.536.62.333547.62.66412.63.548.83.14547.62.66512.63.5613.885.5547.62.66612.63.573.24.655.5547.62.66712.63.585.45.437.5547.62.66812.63.597.66.27.5547.62.66912.63.5109.86.9811547.62.661012.63.51227.7511547.62.6665DL2308.333214504.225.5627.62.823308.33486.337.5627.62.824308.33648.4411627.62.825308.338010.5515627.62.826308.339612.6615627.62.827308.3311214.7718.5627.62.828308.3312816.8822627.62.829308.3314418.9922627.62.8210308.3316021.130627.62.8280DL250.4144014507.8411707.822.49350.4146011.7615707.82.49450.4148015.6822707.82.49550.41410019.630707.82.49650.41412023.5230707.82.49750.41414027.4437707.82.49850.41416031.3645707.82.49950.41418035.2845707.82.491050.41420039.255707.82.49100DL-722722040145010.9157282.8372206010.918.57282.8472208010.9307282.85722010010.9377282.86722012010.9377282.87722014010.9457282.88722016010.9557282.89722018010.9557282.810722020054.4707282.8100DL-100210027.840145015.1418.5727.23.53310027.86022.7230727.23.53410027.88030.2837727.23.53510027.810037.8645727.23.53610027.812045.3955727.23.53710027.81405375727.23.53810027.816060.5775727.23.53910027.818068.1490727.23.531010027.820075.7190727.23.53150DL-150215027.840145020.4230805.72.8315027.86030.6337805.72.8415027.88040.8445805.72.8515027.810051.0555805.72.8615027.812061.2675805.72.8715027.814074.4775805.72.8815027.816081.6890805.72.8200DL-280228041.660145055.79908463.7328041.69083.691108463.7428041.6120111.571328463.7528041.6150139.471608463.7628041.6180163.382008463.7
DL、DLR型立式多級泵是滬龍公司根據高層建筑給水市場的實際需要和國家消防局GB 6245《消防泵性能要求和試驗方法》標準而研制開發的多級泵新型產品。DL立式多級泵供輸送不含堅硬顆粒及物理化學性質類似于水的介質之用。流量范圍為5～360m3/h,揚程范圍為22～300m,配套功率范圍為1.5～220KW,口徑范圍為φ40～φ200m。同一臺泵的出口可設1～5個出口，低轉速n=1450r/min。