Originally Posted by mccobmd
Here is th 1/2 inch poly board that I cut to match the divider. Put holes through it and countersunk the screws with sunken washers on the sac side and locking wing nuts on the other side all stainless steel. The second picture is with hard tank out and 750 sac empty. As on other poster said with a one way valve it will suck the sac dry. The last is with it full. There is the same clearance to the manifold as if it was empty.
Do you think poly-board is strong enough that you could just replace the dividers with poly-board? I had imagined reinforcement using steel brackets and beams, but if poly-board is strong enough, I'd consider using it.