Overview:

The Yili series of graphite-modified polypropylene shell-and-tube heat exchangers are corrosion-resistant heat exchange units made of a fully plastic structure, consisting of integral reinforced polypropylene pipes, pure polypropylene plates, or modified polypropylene plates, and graphite-modified polypropylene heat exchange tubes, all processed into a single unit. This product features a fixed tube plate shell structure. The heat exchange tubes in the Yili brand SPGH series heat exchangers are specially designed thin-walled graphite-modified polypropylene tubes, with a graphite content of up to 50% (by weight). This product maintains the advantages of polypropylene equipment such as corrosion resistance, lightweight, and non-scaling, while also improving the heat transfer performance of the equipment. The overall heat transfer coefficient of the equipment reaches 250~400 KCal/m h°C.

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Specs and Application Range:

Operating Temperature: -20～80℃ / 0～120℃ (PP)

Allowable Pressure (Room Temperature): Shell Side ≤ 0.3 Mpa, Tube Side ≤ 0.2 Mpa

Permitted Medium: Please refer to the data on the corrosion properties of polypropylene. If data is unavailable or other special requirements apply, the test may be conducted according to GB11547-89.

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