本產(chan)品(pin)為(wei)正壓型(xing)(xing)(xing)(xing)防(fang)(fang)爆(bao),防(fang)(fang)爆(bao)控制系統采用隔爆(bao)、增安型(xing)(xing)(xing)(xing)設計,壓力監測采用澆(jiao)封型(xing)(xing)(xing)(xing)和本質安全(quan)型(xing)(xing)(xing)(xing),防(fang)(fang)爆(bao)標(biao)志為(wei):Ex d e ib mb px IIB T4 Gb