一、SZA石油化工流程泵　特点原理及图片:SZA系列石油化工流程泵产品执行标准：AP1610(第八版)、VDMA24297(轻/中型)。SZA系列石油化工流程泵为单级单吸悬臂式离心泵，SZA石油化工流程泵主要用于石油、化工、合成纤维、化肥、电站、冶金、食品及医药等工业部门输送清洁或含有颗粒的液体、低温或高温的液体、中性或有腐蚀性的液体，输送介质的温度一般为-45°C～180°C。SZA系列石油化工流程泵的结构说明：A、泵为单级、卧式、蜗壳泵。泵体为脚支撑，单吸叶轮。轴向吸入，径向排出。B、根据使用条件采用前、后密封及平衡孔进行水力平衡。C、填料箱具有冷却或加热管接头。轴封采用填料密封，也可以采用单端面或双端面机械密封。配有冷却、冲洗或密封液系统。D、吸入排出管法兰的额定压力等级相同。E、轴承用洁净的22号机械油润。F、泵的旋转方向：从原动机端看，为顺时针转旋。SZA石油化工流程泵简图SZA系列石油化工流程泵结构图1泵 体5叶 轮9密封盖13恒位油环17防尘圈21轴 承25排液管29冷却水套2叶轮螺母6泵盖密封环10轴承架14甩油环18轴22轴 承26O型圈  3叶轮密封环7泵 盖11轴 套15档 圈19轴承螺母23O型圈27O型圈  4泵体密封环8机械密封12油分离器16轴承盖20支脚24O型圈28O型圈  二、石油化工流程泵　轴封装置型式及代号单端面机械密封 S1内装式单端面机械密封；S2外装式单端面机械密封；S3有旋转密封环(啮合环)的内装式单端面机械密封。均有非平衡式或平衡式，可设或不设喉部衬套。双端面机械密封 D1背靠背装置双端面机械密封；D2串联装置双端面机械密封；D3面对面装置双端面机械密封。其中一个或两个都可以是非平衡的活平衡式的。 如果采用双端面机械密封，在密封腔中，需要超过工作介质0.5～1.0kg/cm2压力的封液，封液应选取既不影响输送介质的性能，又应无毒、无腐蚀性的液体。软填料密封三、石油化工流程泵　性能表说明本性能表中所列数据是一标准大气压下，使用温度20°C、比重为1g/cm3、粘度为1mm2/s液体的试验数据。”扬程”数值是从吸水面至排水面的垂直高度加上从吸入管路排出口至排出管路排出口的全部水头损失总和(包括底阀、闸阀、止回阀、弯头、变径管和直管内的管壁摩擦阻力等)。随液体粘度增大，其流量、扬程下降，功率增加。泵体承压2.5MPa(进口压加上零流量时的出口压)，用户可根据泵本身的扬程值确定泵的进口压力。电机配用原则如下：若比重≤1.0按1.0配电机； 若1＜比重≤1.35按1.35配电机； 若1.35＜比重≤1.84按1.84配电机。四、石油化工流程泵 性能参数泵型号叶轮型式泵额定转速n-2950r/min泵额定转速n-1475r/min流量Qm3/h扬程Hm轴承直径mm配用功率(KW)流量Qm3/h扬程Hm轴承直径mm配用功率(KW)介质密度(g/㎝3)介质密度(g/㎝3)1013518410135184SZA40-25-200A11.549255.57.5115.8122511111.5B10.54245.57.55.4110.75111.1C936345.54.68.50.750.751.1D7.5282.23446.50.750.751.1SZA40-25-250A12.57825111518.56.319.525152.23B12.2727.511156.118152.22.2C11.7605.57.5115.915151.52.2D10.8465.57.57.55.411.5111.51.5SZA50-25-315A2013040303745103240345.5B18.81152230459.329345.5C17.3972230678.7242.234D15.3741522307.618.52.22.23SZA80-40-160A2833305.57.511148301.11.11.5B25.6295.57.57.51371.11.11.5C222245.55.5115.50.751.11.1D20162.2349.54.50.750.751.1SZA80-40-200A295330111518.514.513301.52.23B26477.511151311.51.11.52.2C22395.57.51111.591.11.11.5D182045.57.59.571.11.11.1SZA80-40-250A32784018.522301619.530345.5B30721518.53015182.234C2460111518.512.5141.52.23D21477.5111510.511111.52.2SZA80-40-315A42115403745752129405.57.511B401073045552026.55.57.511C348122304517.52045.57.5D29611522301515345.5SZA80-50-160A503440111515258.4301.52.22.2B45297.5111522.571.51.52.2C38225.57.511195.51.11.51.5D3117345.516.540.751.11.1SZA80-50-200A62524018.52230311330334B56461518.52228.511.52.234C4937111518.52591.52.23D43287.511152271.11.52.2SZA80-50-250A70824030375535204045.57.5B66753037453318.545.57.5C60602230373015345.5D50451518.52226112.233SZA100-50-315A87115505575110442840111115B8010045759040247.51115C707837455535195.57.511D57572230373014345.5SZA100-50-400A8219450110160200414840152230B781759013216039431518.522C7014075901323534111518.5D6010245759030257.51115泵型号叶轮型式泵额定转速n-2950r/min泵额定转速n-1475r/min流量Qm3/h扬程Hm轴承直径mm配用功率(KW)流量Qm3/h扬程Hm轴承直径mm配用功率(KW)介质密度(g/㎝3)介质密度(g/㎝3)1013518410135184SZA100-80-160A9432401518.530478402.234B8528111518.54272.22.23C7623111115385.51.52.22.2D66175.57.5113441.11.11.5SZA100-80-200A10354403037555113.53045.57.5B95482230374712345.5C8438152230419.52.234D7030111522367.51.52.23SZA100-80-250A12782404575906420407.51115B1207645557560197.57.511C105593045555214.545.57.5D87452230374611345.5SZA100-80-315A14112750901321607033401518.522B13512175901326630111522C1159755751105624111115D907437457545185.57.511SZA100-80-400A17118750160220280854640223045B159170160200250804218.53037C1351309013216065331518.530D1169575901325325111518.5SZA100-100-160A1622940223037817.240345.5B150241522307362.234C13017111518.5634.31.52.23D110127.511155531.11.52.2SZA100-100-200A19350404555759512.5405.57.511B180443745759010.55.57.511C15535303745808.545.578.5D1352618.53037706334SZA150-100-250A230794075901321152040111518.5B21373759011011018111115C19058457590100147.51111D1704437457590105.57.57.5SZA150-100-315A25012650132200220125314018.53037B2401201321602001192918.52230C2039790132160104241518.522D1707175751108617.5111115SZA150-100-400A300194602503554501504850374575B29018022031540014544304555C26014516022031513036223045D22410511016020011526152230SZA150-100-500A      18075507590110B     167685575110C     14253375575D     12042303755SZA150-150-200A3204440557511016011407.51115B300394575901529.57.51115C2653037457514075.57.511D220232230451235345.5