We have two wet holding bins feeding our Shivvers system.  Instead of a spreader we are running a Level Dry and we can't just open the traps on the wet bins all the way because it will bury the Level Dry.  The grain comes in with enough chaff on it that it will bridge up and plug the traps.  I need an electric opener that can respond to the current draw on the conveyor.  I have only been able to find one company making an electric opener and it is only designed to fit their own trap.  Any suggestions for companies that make an aftermarket trap opener?