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"DRY PRIME" motorpumps

The Onis Visa Dry Prime range delivers fast dewatering solutions to sites where a power source is not available. The dry prime units offer high performance and efficiency to ensure predictable and timely job completion with minimal operating expenses. The industrial range of Onis Visa Motorpump are suitable for various applications. These are best suited for transporting or lifting water with abrasive solids in suspension. This includes applications such as construction and mine site dewatering, floodwater and stream diversions or sewage in industries and municipalities.


With star the start of each of the three phases is connected together. Connections are taken from the ends of the three phases to give the three phases
Star symbol voltage


With Delta the starts and ends of the phases are connected. The end of phase 1 is connected to the start of phase 2, the end of phase 2 to the start of phase 3, and the end of phase 3 to the start of phase 1. Connections are taken from the three start-end points to give the three phases.
Delta symbol voltage
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