适用范围Application 1区、2区危场所。 IIA、IIB、类爆竹性气体环境. Can be used in Zone 1 and Zone 2one 2 dangerous places. Can be used in IIA,IIB 、group explosive atmosphere. 产品特点 Features 型号含义Model implication 外形美观、运行平衡、使用方便. 风叶采用高强度铝合金制成. 摇头角度可调. 电缆布线。 符合GB3836-2000,IEC60079 标准要求。 Aesthetic appearance,balance operation,easy to The angle of shaking-heed can be adjusted. The vane is made of high-intensity AI-alloy use. Cable wiring. Suitable for GB3836-2000 standard request