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Other types of non-metallic pump mainly refers to rubber lined pump, ceramic material, graphite material, glass material pump, etc. Lining rubber pump Laminating pump The over-flow parts are made of imported high-quality rubber. Has good resistance to heat, corrosion resistance, temperature performance. The overall structure of the pump is simple, with small size, light weight, stable operation, low noise, easy maintenance, energy saving and so on. The pump uses the impeller power seal and 45 rubber ring parking seal, as well as the use of new mechanical seal, the new impeller K-type skeletonless oil seal and a new impeller K-type water cooling seal four seal forms to meet a variety of Conditions of the request. The pump can be widely used to transport corrosive serum or particles containing inorganic acid, alkali, salt petrochemical media and metallurgical ore slurry, medium concentration of less than 70%, the temperature of 100 ℃ within the various types of corrosive mixed liquid. If there are special requirements, can be equipped with a special high temperature resistant wear-resistant rubber lined pumps, used at temperatures below 150 ℃ both corrosive and particulate conditions. Liner scale rubber pump production plant in Jiangyin City, Yangtze River Valve Manufacturing Co., Ltd. and so on. Rubber lined pump structure shown in Figure l-41. 1 a pump cover; 2 an impeller; 3 a pump body; 4 an impeller; a cavity; 6 a controller; a parking seal; a sleeve; 9 a front bearing cover; Ring; 11 a bracket; l2 a spindle; l3 a bearing rear end cover; a seal felt graphite pump graphite pump structure shown in Figure l-43, the pump body and the pump cover by the front and rear iron cover bolts , And bolted to the clam seat. Impeller for the semi-open (or closed), with the pump shaft or sleeve with acid-resistant clay bonded together. Where contact with the liquid about parts are made of impermeable impregnated graphite (graphite impregnated thermosetting resin) and pressed graphite (graphite powder to the resin as the adhesive pressure forming) manufacturing. Graphite expansion coefficient, heat shock, but poor mechanical strength. Shaft seal with a single mechanical seal outside the surface, moving ring installed behind the "工" shaped rubber band instead of the role of the spring, with cooling water cooling. Graphite corrosion resistance is very strong, suitable for a variety of corrosive liquids, hydrochloric acid and hydrofluoric acid has particularly good corrosion resistance, as other materials. But it does not apply to highly oxidizing acid, such as nitric acid, hypochlorous acid, chromic acid, more than 95% sulfuric acid. 1 spindle sleeve; 2 a positioning bolt; 3 a fixed bearing ring; 4, 13 a spring; 5 set screws; 6 a moving ring seal ring; 7 ~ moving ring; 8 a pump body; l0 pump cover; 11 an impeller; l2 a washer; l4 a bolt; 15 a tuning bolt; l6 a distance bolt; l7 a tapered end set screw; 18 keys; l9 motor glass pump connected together, Pump body can force evenly, and get cushioning. Impeller is open, it is with the pump body gap adjustment pump cover gasket, gasket with soft polyvinyl chloride. Contact with the liquid components, such as impeller, pump body made of hard chemical glass, not only corrosion resistance, and the expansion coefficient is small, good heat resistance, high strength. Import and export pipe looper flange who training. Suction sealed with external halo mechanical seal. Glass pump can be used to transport 98% of the following sulfuric acid, hydrochloric acid, dilute nitric acid, lye and other weak acids and organic solvents, with a transparent, clean, non-toxic, tasteless and so on. Domestic manufacturers such as Shanghai Glass Factory.