What is the difference between the fixed draft curtain and the movable draft curtain? Fixed draft curtain installed under the ceiling or floor or hidden in the ceiling, vertical partitions that can prevent the horizontal flow of smoke and hot gases in the event of a fire. The draft curtain can be divided into rolling

Fan inlet and outlet flexible connections are also known as silicone cloth fan flexible connections, fabric fan flexible connections, etc. It is mainly used for high-temperature pipelines, fire protection pipelines, ventilation pipelines, etc., and flexible connections of different shapes and types of fans can be customized according to requirements. It is composed of silicone cloth,