
Three suppliers quoting the same duty point will return three different casings, two different seal plans and one price that quietly assumes a lower specific gravity. In a chemical plant the pump is rarely the weak lin...
View MoreA pump specified at 1,200 m3/h and 55 m of head can be built two ways: one impeller eye, or two. Both versions are quoted against the same duty point, and both pass a short factory test. The difference appears after co...
View MoreA 1,450 m3/h circulating water duty at 48 m of head, with only 3.6 m of NPSH available at the suction flange, ends most single-suction selections before the quotation stage. The machine that survives that duty is norma...
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