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LP, LPT series of vertical drainage sewage pump application introduction
First, the application of LP-type pump vertical drainage pump, the pump covers an area of ​​small, easy to use, the basic cost is low. Pump impeller immersed in the fluid being drawn, start without irrigation. The pump is suitable for pumping non-corrosive, the temperature is below 60 ℃, suspended solids (non-fiber, non-abrasive) content of less than 150mg / t of sewage or wastewater. LPT pump is based on the LP-type pump, an increase of shaft sleeve. The casing is filled with lubricating water, this pump can be pumping sewage temperature below 60 ℃, containing a certain amount of solid particles (such as iron filings, fine sand, pulverized coal and other abrasive particles), the maximum particle size of 2mm, impurities up to 2g / T liter. The two-stage pump lubrication water pressure should not be less than half the working pressure. LP-type, LPT-type pump can be widely used in municipal engineering, metallurgical steel, mining, water, power plants and farmland water conservancy projects. Both performance parameters, installation dimensions exactly the same, impeller, guide instead switch to wear-resistant materials, shaft 45 steel. Clockwise rotation from the motor to the pump, the pump outlet diameter is equal to or greater than 250 with anti-reversing device. Second, the meaning of the model 4LP-20 × 2 40 --- 40 mm diameter outlet LP --- vertical drainage sewage pump 20 --- single-stage or more than the speed divided by 10 integer 2 ---- series Third, the performance Range of flow: 3-2000m3 / h Head: 10-70m Fourth, the product structure Pump structure consists of four parts: (1) Transmission part (2) Energy conversion part (3) Water transport part (4) Device parts include: motor bracket, coupling parts, drive shaft, countershaft, pump shaft, coupling, coupling nut A, coupling nut B, a half-round clasp and bearing components and other components. Bearing components from the drive sleeve, bearing housing, tapered roller bearings and single row radial ball bearings and other components. Energy conversion section includes: pump cover, impeller, pressure chamber (volute casing or vane) and impeller. Water part includes: Yang pipe, bearing bracket. Pump shaft seal: The pump shaft seal packing or skeleton rubber seal to seal the liquid does not leak to foreign exchange.