The characteristic curve of stainless steel centrifugal pump and pipeline system analyzes several main ways of centrifugal pump flow regulation: outlet valve regulation, pump shift regulation and pump series and parallel regulation. The energy consumption loss of the two methods of outlet valve regulation and pump speed regulation is analyzed by the characteristic curve, and the comparison is made. It is pointed out that the variable speed regulation flow of the centrifugal pump can save energy and save energy by adjusting the flow rate with the outlet valve. It is related to the size of the flow change. In practical applications, attention should be paid to the range of shift regulation to better apply the centrifugal pump shift regulation.
1. ISW horizontal clear water centrifugal pump is used for conveying clean water and other liquids with physical and chemical properties similar to clean water. It is suitable for industrial and urban water supply and drainage, high-rise building pressurized water supply, garden sprinkler irrigation, fire boosting, long-distance transportation. , HVAC cycle, bathroom, etc.
And equipment matching, the use temperature t ≤ 80 ° C.
2, ISWR horizontal hot water pump is widely used in: metallurgy, chemical, textile, paper, and hotel hotels and other boiler hot water pressurized circulation and
Urban heating system, iswr type use temperature t ≤ 120 °C.
3, ISWH horizontal chemical pump, for transporting liquids without solid particles, corrosive, viscosity similar to water, suitable for petroleum, chemical
Department of industry, metallurgy, electric power, paper, food and pharmaceutical and synthetic fiber, the use temperature is -20 ° C ~ +120 ° C.
4, ISWB horizontal pipeline oil pump, for transporting gasoline, kerosene, diesel and other oil products or flammable, explosive liquid, the temperature of the medium to be transported is -20 ~ +120 °C.