■D型卧式多级离心泵产品概述：D型卧式、单吸多级、分段式离心泵。具有效率高、性能范围广、运行安全平稳、噪音低、寿命长、安装维修方便等特点。供输送清水或物理化学性质类似于水的其它液体。也可以通过改变泵过流部件材质、密封形式和增加冷却系统用于输送热水、油类、腐蚀性或含磨粒的介质。产品执行JB/T1051-93《多级清水离心泵型式与基本参数》标准。(本公司)产品全部采用计算机设计和优化处理，公司拥有雄厚的技术力量、丰富的生产经验和完善的检测手段，从而保证产品质量的稳定可靠。■D型卧式多级离心泵型号意义：■D型卧式多级离心泵产品特点：1、水力模型先进，效率高，性能范围广。2、泵运行平稳，噪音低。3、轴封采用软填料密封或机械密封，密封安全可靠、结构简单，维修方便快捷。4、轴为全封结构，确保了不与介质接触，不锈蚀，使用寿命长。■D型卧式多级离心泵结构图：1轴承盖2螺母3轴承4挡水套5轴套架6轴套甲7填料压盖8填料环9进水段10中间套11密封环12叶轮13中段14导叶挡板15导翼套16拉紧螺栓17出水段导翼18平衡套19平衡20平衡环21出水段22尾盖23轴24轴套乙■D型卧式多级离心泵结构说明：D型卧式多级离心泵为多级分段式，其吸入口位于进水段上，成水平方向，吐出口在水段上垂直向上，其扬程可根据使用需要而增减水泵级数。水泵装配良好与否，对性能影响关系很大，尤其是各个叶轮的口出与导翼的进出中心，其中稍有偏差即将使水泵的流量减少，扬程降低效率差，故在检修装配时务必注意。D型卧式多级离心泵主要零件有:进水段、中段、出水段、叶轮、导翼挡板、出水段导翼、轴、密封环、平衡环、轴套、尾盖及轴承体。进水段、中段、导叶挡板、出水段导翼、出水段及尾盖均为铸铁制成，共同形成泵的工作室。D型卧式多级离心泵叶轮为优质铸铁制成，内有叶片，液体沿轴向单侧进入，由于叶轮前后受压不等，必然存在轴向力，此轴向力由平衡盘来承担，叶轮制造时经静平衡试验。轴为优质炭素钢制成，中间装有叶轮，用键、轴套及轴套螺母固定在轴上。轴的一端装联轴器部件，与电机直接连接。D型卧式多级离心泵密封环为铸铁制成，防止水泵高压水漏回进水部分，分别固定在进水段与中段之上，为易损件，磨损后可用备件更换。平衡环为铸铁制成，固定在出水段上，它与平衡共同组成平衡装置。D型卧式多级离心泵平衡盘为耐磨铸铁制成，装在轴上，位于出水段与尾盖之间，平衡轴向力。轴套为铸铁制成，位于填料室处，作固定叶轮和保护泵轴入用，为易损件，磨损后可用备件更换。轴承是单列向心球轴承，采用钙基润滑脂润滑。填料起密封作用，防止空气进入和大量液体漏出，填料密封由进水段和尾盖上的填料室，填料压盖，填料环及填料等组成，少量高压水流入填料室中起水封作用。填料的松紧程度必须适当，不可太紧亦不可太松，以液体能一滴一滴的渗出为准。如果填料太紧，轴套容易发热，同时耗费功率。填料太松，由于液体流失要降低水泵的效率。■D型卧式多级离心泵技术参数：流量：6.3-300m3/h；扬程：13-650m；功率：2.2-400KW；转速：1450-2950r/min；口径：φ50-φ200；温度范围：≤105℃；工作压力：≤3.0Mpa。■D型卧式多级离心泵产品用途：D型卧式多级离心泵主要用于工业和城市给排水、高层建筑增压供水，园林喷灌、消防增压、远距离送水、采暖、浴室等冷暖水循环增压及设备配套等，尤其适用于小型锅炉给水。■D型卧式多级离心泵性能参数：●50D8型离心水泵性能表级数流量Q总扬程H(米)转数n(转/分)功率N(千瓦)效率η%气蚀余量h(米)叶轮直径(毫米)米3/时升/秒轴功率电动机功率212.61823.43.556.523191329501.431.51.482.25565562.3105312.61823.43.556.534.528.519.529502.1452.252.2235562562.3105412.61823.43.556.546382629502.8632.9645562562.3105512.61823.43.556.557.547.532.529503.5753.753.75.55562562.3105612.61823.43.556.566573929504.294.54.445.55562562.3105712.61823.43.556.580.566.545.529505.0055.255.187.55562562.3105812.81823.43.556.592765229505.7265.927.55562562.3105912.81823.43.556.5103.585.558.529506.4356.756.667.55562562.31051012.61823.43.556.5115956529507.157.57.4115562562.31051112.61823.43.556.5126.5104.571.529507.8658.258.14115562562.31051212.61823.43.556.51381147829508.5898.88115562562.3105●80D12型离心水泵性能表级数流量Q总扬程H(米)转数n(转/分)功率N(千瓦)效率η%气蚀余量h(米)叶轮直径(毫米)米3/时升/秒轴功率电动机功率225.232.439.6791125.622.717.629502.522.682.72369.57569.52.8110325.232.439.6791138.434.0526.429503.784.024.085.569.57569.52.8110425.232.439.6791151.245.435.229505.045.365.447.569.57569.52.8110525.232.439.679116456.754429506.36.76.87.569.57569.52.8110625.232.439.6791176.868.152.829507.568.048.161169.57569.52.8110725.232.439.6791189.679.4561.629508.829.389.521169.57569.52.8110825.232.439.67911102.490.870.4295010.0810.7210.281569.57569.52.8110925.232.439.67911115.2102.1579.2295011.3411.0612.241569.57569.52.81101025.232.439.67911128113.588295012.613.413.61569.57569.52.81101125.232.439.67911140.8124.8596.8295013.8614.7414.9618.569.57569.52.81101225.232.439.67911153.6136.2105.6295015.1216.0816.3218.569.57569.52.8110●100D16型离心水泵性能表级数流量Q总扬程H(米)转数n(转／分)功率N(千瓦)效率η%气蚀余量h(米)叶轮直径(毫米)米3/时升/秒轴功率电动机功率236547210152038.835.228.429506.597.27.65115871.5733.3131336547210152058.252.842.629509.8510.811.45155871.5733.3131436547210152077.670.456.8295013.1814.415.2818.55871.5733.31315365472101520978871295016.4751819.1225871.5733.31316365472101520116.4105.685.2295019.7721.622.9305871.5733.31317365472101520135.8123.299.4295023.06525.226.7305871.5733.31318365472101520155.2140.8113.6295026.3628.830.5375871.5733.31319365472101520174.6158.4127.8295029.65532.434.4375871.5733.313110365472101520194176142295032.953638.2455871.5733.313111365472101520213.6198.6156.2295036.24539.643.7555871.5733.313112365472101520232.8211.2170.4295039.5443.245.9555871.5733.3131●125D25型离心水泵性能表级数流量Q总扬程H(米)转数n(转／分)功率N(千瓦)效率n%气蚀余量h(米)叶轮直径(毫米)米3／时升/秒轴功率电动机功率290108126253035464032295015.215.615.418.575767l3.645.3152390108126253035696048295022.823.423.1307576713.645.3152490108126253035928064295030.431.230.8377576713.645.3152590108126253035115100802950383938.5457576713.645.315269010812625303513812096295045.646.846.2557576713.645.3152790108126253035161140112295053.254.653.9757576713.645.3152890108126253035184160128295060.862.461.6757576713.645.3152990108126253035207180144295068.470.369.3907576713.645.315210901081262530352302001602950767877907576713.645.3152■