Pump body has a hollow sandwich, with import and export of flange, can be used in the thermal oil, steam, hot water and other media for conveying liquid and heat insulation and cooling pump.
泵体设有空心夹层，并设有进出口法兰，可用于导热油、蒸气、热水等媒体对输送的液体和泵进行加热保温及冷却。
What kind of conveying medium is delivered by centrifugal pump, sewage or clean water? (It is not clear in the bidding document)?
离心泵输送何种流体介质，污水还是清水？(在招标技术文件中不明确)？
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