09-30-2011, 09:04 AM
Ed, can you give me, and others?, a short lesson how to identify on a model of a covered hopper if it is designed for gravity discharge or pressure air.
Some have the end of a pipe close to each bay at the bottom. Is that the pipe to be attached to a hose for pressure air discharge while the simple opening at the bottom is for gravity?
The only thing I learned and can identify is that hoppers for grain etc. have few long hatches in the center of the roof while others e.g. for cement, plastic pellets have 6-8 round hatches on both sides of the roof.
Some have the end of a pipe close to each bay at the bottom. Is that the pipe to be attached to a hose for pressure air discharge while the simple opening at the bottom is for gravity?
The only thing I learned and can identify is that hoppers for grain etc. have few long hatches in the center of the roof while others e.g. for cement, plastic pellets have 6-8 round hatches on both sides of the roof.
Reinhard