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Believe Rotary Shaft Seal Friction Power Consumption
2025-12-06
The friction pair of the mechanical seal (the end faces of the rotating and stationary rings) uses wear-resistant materials with low coefficients of friction (such as hard alloys, ceramics, and graphite), and has a small contact area. Therefore, friction power consumption is low, heat generation is minimal, and shaft wear is reduced.
The packing seal involves large-area sliding friction between the packing and the shaft (or bushing), resulting in a high coefficient of friction, high frictional power consumption, and high heat generation. This easily leads to wear on both the shaft (or bushing) and the packing, increasing power consumption.
The rotating ring of the Believe rotary shaft seal is integrated with the shaft and can tolerate radial runout of 2-3 mm. The double-end cooling channels on the outer shell effectively control the temperature transfer from the hopper and the temperature rise from dry friction. The rotating ring is made of soft material, while the stationary ring is made of hard material (DLC surface treatment, with a surface finish of 0.1-0.2 and a hardness of 3000-3500 HV). The smoother the friction surface, the lower the friction and the longer the service life.
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