Venturies for Filter Cage

In Pulsejet dust collector when the compressed air with negative pressure is applied to clean the air filter, the air might not reach the bottom of the filter and the filter will not get cleaned fully. Here comes the role of the venturi.  A venturi is made from mild steel, cast iron, or aluminum of suitable grade. A venturi is a funnel-shaped object which restricts the flow of air to a certain area and direction. The venturi also plays an important role in protecting the filter fiber from getting damaged by the high negative pressure of compressed air.