GC boiler feed pump profile

GC-type boiler feed pump horizontal single suction multistage centrifugal pump, mainly for boiler feed water, so aka boiler feed pump. This series of boiler feed water pump is suitable for conveying water with temperature lower than 110 ° C or other non-corrosive liquids with physicochemical properties similar to water. It is widely used in boiler feed water and urban water supply of industrial and mining enterprises. Features GC-type pump for the multi-stage sub-type, 1-1 / 2GC-4GC import and export of the four models in the water inlet and outlet, respectively, are up vertically, its head can be used according to the need to change the pump series The assembly of the pump is good or not, have a great impact on the performance, especially the relative position of the outlet of each impeller and the inlet of the guide vanes, the center of outlet of each impeller must be aligned with the center of the guide vane, Reduced flow, reduced head, poor efficiency, to help pay attention after assembly in the repair, if any deviation must be adjusted. GC-type main components of marine pumps shaft, sleeve, inlet, impeller, guide wing, seal ring, the middle section, the water section, balance ring, balance plate, the tail cover. Into the water section, the middle section, the water section and tail cover are made of cast iron, together to form a pump studio. The impeller is made of cast iron, there are blades inside, the liquid enters along one side of the axial direction. Because the impeller is under pressure before and after, there must be axial force, which is borne by the balance plate. The shaft is made of high-quality carbon steel with an impeller in the middle, fastened to the shaft with keys, bushing and bushing nuts. One end of the shaft is equipped with coupling parts and is directly connected with the motor. When viewed from the direction of rotation, the pump shaft rotates clockwise. The sealing ring is made of cast iron to prevent the high-pressure water in the water pump from leaking back into the water part, respectively fixed in the water inlet section and middle section, which is a wearing part and can be replaced after being worn. Balance ring is made of cast iron, fixed in the water section, which together with the balance plate balance device. Balanced disc made of wear-resistant cast iron, mounted on the shaft, located between the outlet section and the tail cap, the balance of axial force. Sleeve made of cast iron, located in the two packing room for the fixed impeller and pump shaft protection purposes. For wearing parts, worn spare parts can be replaced. Bearing is a single row radial ball bearings, calcium-based butter lubrication. Packing seal from the inlet section and tailgate on the filling room, packing gland, packing ring and packing and other components, a small amount of high-pressure water into the packing room from the role of water seal. The degree of tightness of the filler must be appropriate, can not be too tight, nor too loose, the liquid can drip to exudate prevail. If the packing is too tight, the sleeve can easily generate heat while consuming power. Filler is too loose, due to liquid loss to reduce pump efficiency. Use GC series pump is especially suitable for boiler feed water, but also can be widely used in pressure vessel water supply, hot water circulation, high-rise building water supply, farmland irrigation, fire pressurization, hydraulic flushing, food, brewing, medicine, chemical, aquaculture, environment Protection, chemical process and machine tools and other industries, as the water supply and drainage of power equipment.

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