Vertical pump,westpetro，,westpetro

 

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Alfa Laval is a leading global provider of specialized products and engineering solutions based on its key technologies of heat transfer， separation and fluid handling.westpetro

Alfa Laval is listed on Nasdaq OMX， and， in 2011，    posted annual sales of about SEK 28.6 billion (approx. 3.2 billion Euros). The company has about 16 000 employees

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A pump consists of a pump shaft, a rotating device known as an impeller, and a motor or an engine. A turbine pump may consist of multiple semi-open or enclosed impellers, also known as "stages." A metal plate called shroud supports the vanes of the impeller in an open or semi-open impeller, whereas in an enclosed impeller, the shroud encloses the impeller vanes. The turbine pump also consists of a water intake point and a water discharge point.