6SA-8 6SA-8A in the open centrifugal pump manufacturers in the open centrifugal SA SA Changsha in a pump

6SA-8 6SA-8A 6SA-8B in the open centrifugal pump manufacturers in the open centrifugal SA SA Changsha in a pump 6SA-8 6SA-8A 6SA-8B in the open centrifugal pump manufacturers in the open centrifugal SA SA Changsha in a pump (0-7-3-1-8-5-0-1-8-1-8-4) 6SA-8-type single-stage, double-suction centrifugal pumps, adapted to the factories, cities, mines, power stations, farmland, water conservancy and other fields. Delivery of solid particles in water or physical and chemical properties similar to water, other liquids, is the transmission medium temperature 0 ℃ ~ 80 ℃. Maximum allowable inlet pressure 0.6mpa flow parameter range: 72 ~ 100800m3 / h Head:? 11 ~ 140m sA Model Description 10SA-6JA 10- by 25-caliber addition to inhalation of water (ie, inlet diameter of 250mm) SA- single-stage double suction horizontal centrifugal pumps? 6- specific speed is about 10 integer addition of? J- represents rated speed change? A- represents the first change in impeller diameter, a, b, c ...... and so on structural type pump horizontal installation, the pump casing in the horizontal axis to separate the upper part of the pump cover, the lower part of the pump, inlet and outlet are on the bottom of the pump casing axis, its center line perpendicular to the axis, without disassembly overhaul inlet and outlet road, you can uncover the pump cover, remove the rotor parts. Seal can be soft packing seal and mechanical seal. Direction of rotation from the motor to the pump to see, pump counterclockwise rotation, the suction on the left and the right outlet. Pump is clockwise rotation, ie suction around, outlet on the left. According to customer requirements will drive end to another end of the pump, this time, steering and inhalation outlet direction contrary to the above-average. The main parts of the material pump flow components are made of cast iron, such as user needs, the impeller can also be cast steel and brass, but it must be indicated on the order contract. Complete range Complete supply of pumps, motors, couplings. Pump inlet diameter ≤200mm with public base, the rest do not deserve the base. Please specify when ordering material of main parts, if the pump motor have special requirements, in consultation with the relevant technical requirements of the company. Structure Description 1, a suction port and a discharge port SA pumps are cast on the pump body, a horizontal direction, perpendicular to the axis. When the level of separate pump and pump cover to expose the cover to check the internal parts without dismantling the piping and electrical (or other prime mover). From the drive end look, SA in front of the pump shaft models are counterclockwise rotation, S.SA are clockwise in the middle of the shaft models. 2, the main structure of this model in addition to the bearing member and the bearing have several different structures, the other portion of substantially the same. Bearing parts: some pump ball bearings, lubricated with oil or grease stains cup ring splash oil lubrication; some pump oil tile inlaid alloy plain bearings, end the installation of single row radial ball bearings. Double suction pump axial force is essentially balanced, partially balanced axial force, with the single row radial ball bearing. Sleeve structure: some bushes with a threaded nut to secure the impeller doubles; some pumps at both ends with two sleeves, one with a thread; besides some pump sleeve, the other with a sleeve nut, a fixed sleeve and impeller. 3, the pump main parts: pump and pump cover, impeller, shaft, seal rings, bushings, bearings body, bearings, packing sleeve and packing ring. In addition to the shaft is made of steel with high-quality carbon steel, bolts, screws, nuts, keys and other parts, most of the other parts of the pump are made of cast iron. Special circumstances, flow components or other components can also be used stainless steel, steel, copper and copper alloys, ductile iron corrosion and other wear-resistant material. Pump seal ring and is located in the hub of the filler section, are wearing parts, replace worn parts availability. Bearing part of the oil cup if fitted with a calcium base lubricating oil, where oil ring splash oil lubricated bearings, with the 2nd or the 3rd spindle oil lubrication. 4, packing with packing sleeve, packing rings, gland and other components. Tightness of filler, must be appropriate, in order to be able to drop by drop liquid oozing appropriate, the sleeve tight easy to heat, too much loose the fluid loss will reduce the efficiency of the pump. 6SA-8 traffic 108-160-193m3 / h Head 58-54-50m speed 2980r / min Power 37KW 6SA-8A flow 108-144-174m3 / h Head 46-44-39m speed 2980r / min flow power 30KW 6SA-8B 108-133-160m3 / h Head 38-36-32m speed 2980r / min power 22KW related literacy: ??? pump combination ------- soft packing packing packing with a wide source of easily processed, low prices, sealing and reliable operation and simple, and therefore a wider scope. In recent years with the development of packing and packing to get the materials, structure and various characteristics greatly improved, so the packing machinery industry has been more widely used, and achieved good economic results. ??? First, the working mechanism ??? packing machinery industry mainly used as dynamic seal packing. Commonly used for centrifugal pumps, compressors, vacuum pumps, mixers shaft seal in packing design choice should be based on the working conditions of machinery and equipment is the major consideration, the choice should be considered filler have the following conditions: ??? 1, there certain plasticity under compression force to produce certain radial force and close contact with the shaft. ??? 2, there is sufficient chemical stability, do not pollute the media, the media is not swelling filler, filler impregnating agent is not dissolved by the media, packing sealing surface itself does not corrode. ??? 3, packing good self-lubricating properties, wear resistance, low coefficient of friction. ??? 4, the presence of a small amount of offset axis, the filler should be sufficient floating elastic. ??? 5, is simple to manufacture, easy to fill ??? For this purpose, the degree of compression packing often is adjusted, so that the filler in the lubricant may vary in operation for some time after the loss, then squeeze some of the lubricant while compensating filler volume changes caused due to compression stress relaxation. Of course, this often squeeze filler, and finally make impregnant exhausted, so it is necessary to periodically replace the packing. In addition, in order to maintain the liquid film and friction heat away, intends to make a small amount of leakage padding is necessary.