... of construction and the discharge diameters of horizontal pumps vary from 300mm to 200mm 150mm, 100mm, 80mm, 65mm, 50mm, 40mm, etc ... .And the discharge diameters of vertical pumps vary from 150mm to 100mm 80mm 65mm 50mm, etc. The centrifugal pumps ... in both hydraulic and structural designs.The wet parts are made from self-developed high-chrome alloy cast iron with high wear ...