Variable frequency counter-rotating tunnel fan
SDF pressure-type counter-rotating axial flow tunnel fan is a new product developed by Shandong Hanqi Industry Co., Ltd. based on the structure and technical performance of existing pressure-type tunnel fans in China. This product has the characteristics of reasonable structure, complete specifications, high efficiency, low noise, and long air supply distance. It greatly reduces the labor intensity of workers and saves ventilation time. It is an ideal equipment for tunnel ventilation. It can also be used in ventilation systems such as metallurgy, chemical industry, and mining. Main uses and scope of application: This product is mainly used in tunnel ventilation systems such as highways, subways, and mines for pressure-type ventilation. It is suitable for pressure-type local ventilation of various mining working faces and various chambers.
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