循環液泵結構圖
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DFRfddfbt I 循環液泵性能范圍：
流量Q：6.3～400m3/h 揚程H：5～132m
轉速n：2900、1450r/min 配帶功率：0.55～110KW
進口直徑：50～200mm 高工作壓力：1.6Mpa
IH型化工泵有29個基本型，其中22個雙速（2900、1450r/min）經過A、B兩種型式的葉輪直徑切割變型后，達112個規格。
用戶可根據被輸送介質的腐蝕性程度對泵的過流部分主要零件選用不同材料。泵的過流部分主要零件的材料及其代號有下列五種：
|
材料名稱 |
ZG1Cr18Ni9 |
ZG1Cr18N i9Ti |
ZGOCr18Ni12M02Ti |
ZG1Cr18Ni12M02Ti |
ZG1Cr18Mn13M02CuN |
|
代 號 |
303 |
305 |
306 |
307 |
402 |
注：除上表已列出的材料外、生產廠還可根據用戶需要，選用適合制造該系列化工泵的材料。所選材料及其代號應原則符合GB2100-80。對國家尚未規定代號的材料，允許采用國際或國內通用的材料代號(如行業或工廠標準)。
DFRfddfbt I 循環液泵產品特點：
循環液泵具有水利性能布局合理、可靠，體積小，質量輕，抗汽蝕性能好，電耗低，使用檢修方便，工作效率高等優點。IH型單級單吸離心泵為臥式結構，其結構設計基本能滿足所有管道安裝。
DFRfddfbt I 循環液泵旋轉方向：
循環液泵通過加長聯軸器由電動機直接驅動，從電動機端看，按順時針方向旋轉。
DFRfddfbt I 循環液泵軸封型式：
機封密封：泵蓋內設有機封函，采用軟機封密封，機封函內可通入有一定壓力的水，供密封冷卻，潤滑、清洗用。
機械密封：單端面機械密封和雙端面機械密封兩種型式，密封腔內通入一定壓力的水，沖洗磨擦兩端面，同時起冷卻作用。
泵的密封型式采用機封密封或機械密封，由用戶根據需要適用，同時根據需要允許采用適合于ISO3069規定的密封空腔尺寸和其他結構的軸封型式，如帶波紋管的機械密封和付葉輪密封等等。
