Product Name: manual air conditioning butterfly valve
Product features: non - sealed manual air control valve, non - sealed valve, manual air control valve purposes. The utility model can be used as a bidirectional opening and closing and regulating device for ventilation and dust removing pipelines, and is suitable for ventilation, dust removing and environmental protection systems in metallurgy, mining, cement, chemical industry and power generation waiting industry. Features: This valve is welded steel plate, short length, light weight, simple structure, easy to use and maintenance, electric field operation and remote control can be achieved. This valve is non sealed valve。