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Shortcoming melt pump mechanical seal

　　Shortcoming melt pump mechanical seal

　　The melt pump seal disadvantages:

　　1, relatively messy, high demand for processing

　　2, the device replaces cumbersome contrast, the demand for workers have a certain skill level

　　3, attack contingency somethin 'more difficult for disposal.

　　The melt pump leak was mainly caused by the sealing surface is not sealed, then sealed pump is directly related to the quality and promise. A good melt pump, because the sealing well, the use of long life, no leak, which is a commodity that is the best advertising.

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