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Grundfos extends two pump ranges

   Grundfos has introduced two new products to its CR Range and family of sanitary 

   The CR family consists of are multistage with a vertical in-line design, with the suction and discharge ports at the same level. The number of variants from this range includes 11 flow sizes and hundreds of pressure sizes, along with four basic material types. Grundof has added to the large CRN part of the family with stainless steel connection flanges and pump base, by creating the option of large CR FPV range which also incorporates a stainless steel motor stool. This now means that this range is suitable for the food industry and any industry in which the pump will need to operate in more corrosive environments, Grundfos says.

Abstract：This article describes and analyzes the load characteristics of and variable flow regulator method, compared the size of its energy consumption. A brief introduction of the variable frequency AC motor speed control features, pointed out that thepump inverter transformation of the economy.

Key word: water pump; Load characteristicwestpetros; Electric motor energy conservation; Frequency conversion velocity modulation.