循环液泵结构图
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DFRfddfbt I 循环液泵性能范围：
流量Q：6.3～400m3/h 扬程H：5～132m
转速n：2900、1450r/min 配带功率：0.55～110KW
进口直径：50～200mm 高工作压力：1.6Mpa
IH型化工泵有29个基本型，其中22个双速（2900、1450r/min）经过A、B两种型式的叶轮直径切割变型后，达112个规格。
用户可根据被输送介质的腐蚀性程度对泵的过流部分主要零件选用不同材料。泵的过流部分主要零件的材料及其代号有下列五种：
|
材料名称 |
ZG1Cr18Ni9 |
ZG1Cr18N i9Ti |
ZGOCr18Ni12M02Ti |
ZG1Cr18Ni12M02Ti |
ZG1Cr18Mn13M02CuN |
|
代 号 |
303 |
305 |
306 |
307 |
402 |
注：除上表已列出的材料外、生产厂还可根据用户需要，选用适合制造该系列化工泵的材料。所选材料及其代号应原则符合GB2100-80。对国家尚未规定代号的材料，允许采用国际或国内通用的材料代号(如行业或工厂标准)。
DFRfddfbt I 循环液泵产品特点：
循环液泵具有水利性能布局合理、可靠，体积小，质量轻，抗汽蚀性能好，电耗低，使用检修方便，工作效率高等优点。IH型单级单吸离心泵为卧式结构，其结构设计基本能满足所有管道安装。
DFRfddfbt I 循环液泵旋转方向：
循环液泵通过加长联轴器由电动机直接驱动，从电动机端看，按顺时针方向旋转。
DFRfddfbt I 循环液泵轴封型式：
机封密封：泵盖内设有机封函，采用软机封密封，机封函内可通入有一定压力的水，供密封冷却，润滑、清洗用。
机械密封：单端面机械密封和双端面机械密封两种型式，密封腔内通入一定压力的水，冲洗磨擦两端面，同时起冷却作用。
泵的密封型式采用机封密封或机械密封，由用户根据需要适用，同时根据需要允许采用适合于ISO3069规定的密封空腔尺寸和其他结构的轴封型式，如带波纹管的机械密封和付叶轮密封等等。
