立式多级泵是我公司根据市场需要而开发的系列产品，为单吸多级分段式离心泵。用于市政供水及增压；工厂供水；高层及住宅供水；空调采暖系统的冷冻、冷却循环系统供水；消防喷淋系统的供水、尤其适合高层建筑分区分压消防供水。本产品符合GB/T5657《离心泵技术条件(Ⅲ)类》标准。
      产品的关键部位由我公司自行研制的专用机床加工，使得各部位加工精度得到充分保证，产品的可靠性大大提高。型号意义：
一、DL系列立式多级离心泵性能参数

型   号级
数口径
(mm)流量
(m3/h)扬程
(m)功率
(KW)转速
(r/min)汽蚀余量
(m)40DL(DLS)6-122406241.514803.23362.24483560467247845.58965.591087.5101207.5111327.5121441150DL(DLS)12.5-12.525012.525314802.233.7534504562.55.56757.5787.57.581007.59112.511101251165DL(DLS)30-1526530305.514802.823457.5460115751569015710518.5812022913522101503080DL(DLS)50-2028050401114802.2360154802251003061203.7140378160459180451020055100DL(DLS)72-20210072401514802.836018.5480305100376120377140458160559180551020075100DL(DLS)100-2021001004018.514802.836030480375100456120557140758160759180901020090150DL(DLS)150-202150150403014802.83603748045510055612075714090816090918011010200132150DL(DLS)165-202150160503714803.537555410075512590615011071751328200132922516010250160150DL(DLS)200-202150200403714803.53605548073510090612011071401108160132200DL(DLS)300-202200300405514805360754801105100132612016071401608160200