FBCD series of mine explosion out of rotating axial local fan blades, using advanced three-dimensional flow theory of aerodynamics design, using fake circular plate twisted airfoil aerodynamic fan-shaped leaves, high aerodynamic efficiency, efficient Wide area FQ-5.0 # pneumatic turbine prices, energy saving effect is remarkable. And smooth airflow through the fan speed to ensure safe operation of the fan. FBCD series of mine explosion out of rotating axial local fan outsourcing duplex muffler, with ultra-low noise characteristics FQ-5.6 # pneumatic fan, for changing the underground space constraints noise effect is remarkable. Main and backup fan automatically switches when pressed main fan intelligent control switch Stop button (or the main fan failure) → main fan control switch intelligent vacuum contactors main fan drive power down → loss of power (the main fan stops working) → Main intelligent fan control switch PLC Fault signaling → standby fan PLC intelligent control switch failure signal reception → backup intelligent control switch vacuum contactor is closed → spare fan inverter energized → standby fan starts running. Main and backup switch contact line between intelligent control under normal operating conditions is not charged, only to switch the fan charged each other during a short time (our company patented dual-fan dual power), use more secure. FQ-3.55 # pneumatic blower manufacturers, Zibo Blower, pneumatic blower provided by Zibo Blower Factory Co., Ltd. Zibo Blower Factory Co., Ltd. (www.zibo-fengji.com) is an industry leader in Shandong Zibo, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Zibo Blower leadership with the staff warmly welcome all inquiries negotiations to create a better future Zibo Blower.