Hydraulic hose surface rubber and wire layer rupture wear, mainly due to hose cross-working or contact with other mechanical parts caused by friction, the failure mainly in the field tubing dense or small location. The outer surface of the hose cracks, mainly due to the aging of the hose caused by bending, such as a short time often this failure, it is due to poor environment, please take the appropriate protective measures: a long time failure is natural aging. This failure is mainly in the use of harsh environment or corrosive substances in the place. The appearance of the drum on the outer surface of the hydraulic hose is mainly due to improper hose quality or improper use when working. If the drum in the middle of the hose, mostly for the hose quality problems; if the drum package at the joints, mostly due to improper installation of the connector.

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