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How to distinguish between the impeller types r, rs, t, and uv of shielded pumps?

2019-06-16 View Original

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As the title suggests, please give me some advice. Thank you!
Reply #2 2019-06-16
The pump’s manual should indicate which manufacturer it is
Reply #3 2019-06-16
Of the Dalian Empire; I couldn’t find it in the instructions, which is why I asked.
Reply #4 2019-06-17
r-125mm; s-160mm; t-200mm; u-260mm; v-315mm
Reply #5 2019-06-20
The early impeller codes of Imperial Electric are now difficult to distinguish using those codes; one can only estimate the size roughly

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