Application: 

Airtight Device of Buffer is often fixed on the edge of sealed coal fell pipe and sealed hopper. According to needs, it also can be fixed in the middle or other part of the pipe. When the materials fall with a high speed and drop on the plate of the Airtight Device of Buffer, it receives two series buffer and slows down the speed of materials to pass through. Thus it obstructs regurgitated dust, which decreases the amount of dust in the system making it environmentally friendly.
With different fixing place, we have 3 model type of this Airtight Device of Buffer: type A, B and AB. It is an electric type if put D in the front.
Instructions of Product Model：

Main Technical Parameter