This series of pumps is a single-stage single suction pipeline centrifugal pump, which adopts the performance parameters of IS and ISR centrifugal pumps and is cleverly combined and designed on the basis of a vertical pump; Produce suitable hot water, high-temperature corrosive chemical pumps, oil pumps based on IRG type according to different operating temperatures and media. This series of products has the advantages of high efficiency, energy saving, low noise, and reliable performance