Vacuum motorwaterproof design installation, long service life.
真空马达防水安装设计，使用寿命超长。
2
Motor noise, waterproof, overheating protection function.
电机噪音小，防水，过热保护等功能。
3
Motor of fan applied is special for outdoor vertical type cooling tower with the merits of high efficiency, electricity-savings, good waterproof performance etc.