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A vacuum-pumping and heat-sealing integrated machine specially designed for 25 kg small bags, which performs internal vacuum degassing and oxygen removal as well as heat sealing of the bag opening, effectively preventing moisture absorption, oxidation, and powder reversion. It is available in three configurations: external-pump type, cabinet-type with automatic conveying, and cabinet-type with manual door opening, catering to small-bag packaging needs across varying levels of automation and diverse production environments.

The core equipment for secondary weight inspection on small-bag packaging lines, specifically designed for 25 kg bags, is available in two configurations—top-opening and front-opening—to accommodate different line layout requirements. The system utilizes METTLER TOLEDO high-precision weighing sensors and incorporates weight-error feedback signals, enabling rapid and accurate weighing of finished bags as they are automatically conveyed to the re-inspection station.

An automated bag-emptying and reshaping system specifically designed for 25 kg small bags serves as an auxiliary process unit following secondary inspection of the bags. It automatically flips, shakes, and reshapes the bags to ensure uniform distribution of the contents and a regular bag shape, thereby preventing bag bulging and material segregation and facilitating subsequent boxing and palletizing operations.

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