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YM128 series uses bellows to combine the spring, bellows sealing ring, moving ring and driving sleeve in the moving ring seat, so that all components form a whole, easy to install and use. The problem of leakage caused by the rusting and channeling of pump shaft is solved by using the corrugated sealing ring, thus greatly increasing the service life of pump.
YM128 series uses bellows to combine the spring, bellows sealing ring, moving ring and driving sleeve in the moving ring seat, so that all components form a whole, easy to install and use. The problem of leakage caused by the rusting and channeling of pump shaft is solved by using the corrugated sealing ring, thus greatly increasing the service life of pump.
