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Diversity from the transmission medium, the first diaphragm vacuum pumps for the delivery of a single flow of water and the other can be liquid, gas or slurry can be conveying to the solid-liquid mixture, said gas-liquid mixture, solid-liquid gas mixture until the transmission living objects, such as potatoes, fish production. Different targets for the delivery of the internal structure of diaphragm vacuum pump requirements are different. In addition to conveying the object structure of the diaphragm pumps have different requirements, the installation in the form of diaphragm vacuum pumps, piping layout type. The maintenance of maintenance of the vacuum pump on the membrane structure of the internal or external to the new requirements are. At the same time, all manufacturers in the design of the structure and adding the idea of their enterprises, it is necessary to increase the divide to increase the diversification of the structure of the degree of vacuum pumps. Sustainable development and environmental protection based on the general background, the operation of diaphragm pumps diaphragm vacuum environment on the design of a large number of proposed requirements, such as leakage reduction, noise reducing vibration, increasing reliability. Life diaphragm vacuum pump, etc. are designed to put forward a different focus or emphasis must be considered in parallel, are bound to form a diversified form of diaphragm vacuum pump.